An Implementation of Creep Test Assisting System with Dial Gauge Needle Reading and Smart Lighting Function for Laboratory Automation

Dezheng Kong, Nobuo Funabiki, Shiao Fang, Noprianto, Mitsuhiro Okayasu, Pradini Puspitaningayu

13 ( 4 )   139   2025.4

Mechanical Properties of Epoxy- and Dicyclopentadiene-Based Carbon-Fiber-Reinforced Plastics at Low and Room Temperatures

Takashi Fujiwara, Masaki Takeuchi, Che Daoyuan, Yao Liang, Naoki Nishioka, Mitsuhiro Okayasu

Applied Composite Materials   2025

Hydrogen Embrittlement Characteristics of a Die-Casting Die after a High-Pressure Die-Casting Operation

Mitsuhiro Okayasu, Katsunori Shigematsu

International Journal of Metalcasting   18 ( 1 )   810 - 820   2024.1

Effects of cutting conditions on materials properties of austenitic stainless steels

Ryutaro Kondo, Mitsuhiro Okayasu, Hao Wen, Jin Kawasaki

Journal of Engineering Research   2024

Hydrogen Embrittlement of Austenitic Stainless Steels with Different Surface Treatments

Mitsuhiro Okayasu, Hao Wen, Ryutaro Kondo

International Journal of Steel Structures   24 ( 3 )   477 - 487   2024

Formability Improvement for Bending Magnesium Alloy AZ31 Sheet via Microstructural Control

Mitsuhiro Okayasu, Takumi Ogawara, Minoru Matsushima

Journal of Materials Engineering and Performance   2024

Hydrogen Embrittlement Characteristics of Low Carbon Steels After Heat and Surface Treatments

Mitsuhiro Okayasu, Takehiro Kokado

Transactions of the Indian Institute of Metals   77 ( 8 )   2127 - 2137   2024

Hydrogen embrittlement properties of several stainless steels

Mitsuhiro Okayasu, Hisanobu Matsuura

International Journal of Fracture   248 ( 1 )   201 - 220   2024

Microstructural Control and Alloy Design for Improving the Resistance to Delayed Fracture of Ultrahigh-Strength Automotive Steel Sheets

Takehide Senuma, Mitsuhiro Okayasu, Hardy Mohrbacher

Metals   13 ( 8 )   2023.8

An Edge Device Framework in SEMAR IoT Application Server Platform

Yohanes Yohanie Fridelin Panduman, Nobuo Funabiki, Sho Ito, Radhiatul Husna, Minoru Kuribayashi, Mitsuhiro Okayasu, Junya Shimazu, Sritrusta Sukaridhoto

Information (Switzerland)   14 ( 6 )   2023.6

Material properties of Japanese and western wooden nails

Mitsuhiro Okayasu, Kohei Uotani, Toshiro Tanaka

MATERIALIA   28   2023.5

Hydrogen embrittlement characteristics of the hot- and cold-stamped 22MnB5 steel

Mitsuhiro Okayasu, Yuki Tanaka

International Journal of Fracture   240 ( 2 )   243 - 255   2023.4

Effects of Artificial Agingon Material Properties of Die-Cast Al-Si-Cu-Mg-xNa Alloy

Naoki Sahara, Reiya Ikeda, Shaohua Wu, Mitsuhiro Okayasu

INTERNATIONAL JOURNAL OF METALCASTING   17 ( 1 )   515 - 525   2023.1

Effect of Artificial Aging on the Mechanical and Fatigue Properties of the Hot-Stamped 6022 Aluminum Alloy

Mitsuhiro Okayasu, Masakazu Okawa

Journal of Materials Engineering and Performance   31 ( 8 )   6386 - 6394   2022.8

Effect of the microstructural characteristics of die-cast ADC12 alloy controlled by Na and Cu on the mechanical properties of the alloy

Mitsuhiro Okayasu, Naoki Sahara, Norihito Mayama

Materials Science and Engineering A   831   142120   2022.1

Effect of carbon nanotubes on the mechanical properties of cast Al–Si–Cu alloys

Mitsuhiro Okayasu, Shauha Wu, Indah Uswatun Hasanah

Materials Science and Technology (United Kingdom)   38 ( 4 )   237 - 245   2022

Effect of Cooling Rate on the Precipitation Characteristics of Cast Al-Si-Cu Alloy

M. Okayasu, N. Sahara, M. Touda

Archives of Foundry Engineering   21 ( 4 )   55 - 60   2021.12

The effects of the microstructural characteristics of Fe–0.33C–1.2Mn–xNb–xMo steels on hydrogen embrittlement fracture

Mitsuhiro Okayasu, Ryo Arai, Takehide Senuma

International Journal of Fracture   231 ( 2 )   257 - 274   2021.10

Hydrogen embrittlement characteristics of hot-stamped 22MnB5 steel

Mitsuhiro Okayasu, Takafumi Fujiwara

International Journal of Hydrogen Energy   46 ( 37 )   19657 - 19669   2021.5

Effects of microstructural characteristics on the hydrogen embrittlement characteristics of austenitic, ferritic, and γ–α duplex stainless steels

Mitsuhiro Okayasu, Takafumi Fujiwara

Materials Science and Engineering A   807   2021.3

A study of the mechanical properties of a Mg-Al-Zn alloy (AZ91) produced via Thixomolding

Mitsuhiro Okayasu, Takahiro Fukui

International Journal of Material Forming   14 ( 2 )   271 - 280   2021.3

Piezoelectric properties of lead zirconate titanate ceramics at low and high temperatures

Mitsuhiro Okayasu, Masakazu Okawa

Advances in Applied Ceramics   120 ( 3 )   127 - 133   2021

Microstructural Characteristics of Unidirectionally Solidified Cast Al–Si–Cu Alloy

Shaohua Wu, Mitsuhiro Okayasu, Tatsuya Kuwada

International Journal of Metalcasting   15 ( 3 )   1073 - 1083   2021

Examination of Hydrogen Diffusivity in Carbon Steels Using a Newly Developed Hydrogen Permeation System

M. Okayasu, M. Sato

Experimental Mechanics   2021

Decarburizing behavior and its effect on mechanical properties of ultrahigh strength steel sheets

Kuwata Kentaro, Takemoto Yoshito, Okayasu Mitsuhiro, Bian Jian, Senuma Takehide

ISIJ International   61 ( 4 )   1300 - 1308   2021

Failure Characteristics of PZT Ceramic During Cyclic Loading

Mitsuhiro Okayasu, Tsukasa Ogawa

Journal of Electronic Materials   49 ( 9 )   5534 - 5541   2020.9

The effect of precipitations (NbC and carbide) in Fe-C-Mn-xNb steels on hydrogen embrittlement characteristics

Mitsuhiro Okayasu, Masaya Sato, Daiki Ishida, Takehide Senuma

Materials Science and Engineering A   791   2020.7

Microstructure-dependent hydrogen diffusion and trapping in high-tensile steel

Mitsuhiro Okayasu, Jun Motojima

Materials Science and Engineering A   790   2020.7

Hot-stamping technology for carbon fiber reinforced thermoplastic plates based on electrical resistance heating

Mitsuhiro Okayasu, Masaya Sato

Journal of Composite Materials   54 ( 10 )   1353 - 1361   2020.5

An Electrical Resistance Joining Technology for Carbon Fiber-Reinforced Polyphenylene Sulfide Composites

Mitsuhiro Okayasu, Tomohumi Kubota

Journal of Materials Engineering and Performance   29 ( 4 )   2134 - 2143   2020.4

Effects of loading contact on electric-power generation of lead zirconate titanate piezoelectric ceramic plate

Mitsuhiro Okayasu, Tsukasa Ogawa

Journal of Advanced Ceramics   8 ( 4 )   509 - 518   2019.12

Mechanical and fatigue properties of long carbon fiber reinforced plastics at low temperature

Mitsuhiro Okayasu, Yuki Tsuchiya

Journal of Science-Advanced Materials and Devices   4 ( 4 )   577 - 583   2019.12

Effect of Microstructural Characteristics on Mechanical Properties of Ferritic Stainless Steel

Mitsuhiro Okayasu, Tomoki Shigeoka

Journal of Materials Engineering and Performance   28 ( 11 )   6771 - 6778   2019.11

Fatigue Failure Characteristics of Single-Crystal Fe-3%Al Alloy

Mitsuhiro Okayasu, Keisuke Noda

Journal of Materials Engineering and Performance   28 ( 10 )   5978 - 5987   2019.10

Structural Health Monitoring System for Remote Inspection of Material Failure

Mitsuhiro Okayasu, Toshiki Yamasaki

Journal of Nondestructive Evaluation   38 ( 2 )   2019.6

Effect of Microstructural Characteristics on Mechanical Properties of Austenitic, Ferritic, and - Duplex Stainless Steels

Mitsuhiro Okayasu, Daiki Ishida

Metallurgical and Materials Transactions A   50A ( 3 )   1380 - 1388   2019.3

Influence of microstructure on the mechanical properties and hydrogen embrittlement characteristics of 1800MPa grade hot-stamped 22MnB5 steel

Mitsuhiro Okayasu, Lele Yang

Journal of Materials Science   54 ( 6 )   5061 - 5073   2019.3

Fatigue properties of a nanocrystalline titanium based bulk metallic glassy alloy

Mitsuhiro Okayasu, Tomoki Shigeoka

Journal of Science-Advanced Materials and Devices   3 ( 4 )   478 - 484   2018.12

Method for reducing aluminum alloy heat loss in high pressure die casting shot sleeves

M. Okayasu, S. Wu, T. Hirayama

International Journal of Cast Metals Research   31 ( 5 )   308 - 316   2018.9

Tensile Properties of Unsaturated Polyester and Epoxy Resin Reinforced with Recycled Carbon-Fiber-Reinforced Plastic

Mitsuhiro Okayasu, Yuta Kondo

Applied Composite Materials   25 ( 3 )   561 - 568   2018.6

MECHANICAL PROPERTIES OF CAST Al-Mg-5 ALLOY PRODUCED BY HEATED MOLD CONTINUOUS CASTING

Mitsuhiro Okayasu, Shuhei Takeuchi

International Journal of Metalcasting   12 ( 2 )   298 - 306   2018.4

Domain switching behavior in lead zirconate titanate piezoelectric ceramics

Mitsuhiro Okayasu, Kohei Bamba

Scripta Materialia   146   272 - 275   2018.3

Mechanical properties of the riveted connecting forming of CFRP plates

Mitsuhiro Okayasu, Ryo Naito

International Journal of Material Forming   11 ( 2 )   225 - 232   2018.3

Effects of machined circular holes on the mechanical properties of unidirectional carbon fiber-reinforced plastics

Mitsuhiro Okayasu, Ryo Naito, Daisuke Fukuyama, Keiji Ogi

Journal of Composite Materials   52 ( 4 )   465 - 474   2018.2

Effect of thermal energy on 90° domain switching characteristics of piezoelectric ceramic

馬場康平, 岡安光博

日本機械学会論文集   84 ( 863 )   2018

Corrosion characteristics of a tungsten alloy die-casting mould material in molten aluminium alloy

Mitsuhiro Okayasu, Lele Yang

International Journal of Cast Metals Research   31 ( 3 )   162 - 168   2018

Experimentally and analyzed property of carbon fiber reinforced thermoplastic and thermoset plates

M. Okayasu, Y. Tsuchiya, H. Arai

Journal of Materials Science Research   7 ( 3 )   12 - 21   2018

In situ TEM observations of microstructural characteristics of lead zirconate titanate piezoelectric ceramic during heating to 1000 degrees C

Mitsuhiro Okayasu, Tsukasa Ogawa, Yoshikazu Sasaki

CERAMICS INTERNATIONAL   43 ( 18 )   16306 - 16312   2017.12

High Strength of Mg-9%Al-1%Zn Alloys Achieved by Severe Working

Mitsuhiro Okayasu, Takuya Muranaga

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE   26 ( 10 )   4977 - 4989   2017.10

Effects of 90 degrees domain switching on electric generation properties of PZT ceramic

Mitsuhiro Okayasu, Toshiki Yamasaki

Ceramics International   43 ( 4 )   3590 - 3600   2017.3

Analysis of microstructural effects on mechanical properties of copper alloys

Mitsuhiro Okayasu, Takuya Muranaga, Ayana Endo

Journal of Science-Advanced Materials and Devices   2 ( 1 )   128 - 139   2017.3

Effects of Oxide Scale on the Corrosion and Mechanical Properties for a High Speed Steel and a Graphite Cast Iron

Mitsuhiro Okayasu, Shaohua Wu

Oxidation of Metals   87 ( 1-2 )   159 - 178   2017.2

Phase transformation system of austenitic stainless steels obtained by permanent compressive strain

Mitsuhiro Okayasu, Sai Tomida

Materials Science and Engineering A   684   712 - 725   2017.1

Domain switching characteristics of lead zirconate titanate piezoelectric ceramics on a nanoscopic scale

Mitsuhiro Okayasu, Kohei Bamba

Journal of the European Ceramic Society   37 ( 1 )   145 - 159   2017.1

Mechanical properties of Al-Si-Cu alloys produced by the continuous casting process with heating process

Mitsuhiro Okayasu, Shuhei Takeuchi, Toshihiro Ochi

International Journal of Cast Metals Research   30 ( 4 )   217 - 225   2017

A New Connecting Technology of Carbon Fiber Reinforced Plastic Plates

I.U. Hasanah, S. Baba, M. Okayasu

International Journal on Smart Material and Mechatronics   4 ( 1 )   257 - 260   2017

Mechanical Properties of Magnesium Alloys Produced by the Heated Mold Continuous Casting Process

M. Okayasu, S. Wu, T. Tanimoto, S. Takeuchi

Archives of Foundry Engineering   16 ( 4 )   208 - 216   2016.12

Mechanical properties of austenitic stainless steel with high niobium contents

M. Okayasu, S. Wu, K. Noda, D. Y. Lin, S. M. Yang

Materials Science and Technology (United Kingdom)   32 ( 13 )   1382 - 1394   2016.9

A study of the electric power generation properties of a lead zirconate titanate piezoelectric ceramic

Mitsuhiro Okayasu, Keisuke Watanabe

Ceramics International   42 ( 12 )   14049 - 14060   2016.9

Precise analysis of compressive strain effects on electric power generation properties of a lead zirconate titanate piezoelectric ceramic

Mitsuhiro Okayasu, Keisuke Watanabe

Journal of Advanced Ceramics   5 ( 1 )   35 - 39   2016.3

Effects of Sb, Sr, and Bi on the material properties of cast Al-Si-Cu alloys produced through heated mold continuous casting

Mitsuhiro Okayasu, Shuhei Takeuchi, Shaohua Wu, Toshihiro Ochi

Journal of Mechanical Science and Technology   30 ( 3 )   1139 - 1147   2016.3

Mechanical properties and failure characteristics of cast and extruded Mg97Y2Zn1 alloys with LPSO phase

Mitsuhiro Okayasu, Shuhei Takeuchi, Masafumi Matsushita, Naoya Tada, Michiaki Yamasaki, Yoshihito Kawamura

Materials Science and Engineering A   652 ( Jan. )   14 - 29   2016.1

Material properties of Al-Si-Cu aluminium alloy produced by the rotational cast technology

M. Syahid, M. Okayasu, S. Wu

International Journal on Smart Material and Mechatronics   3 ( 1 )   145 - 151   2016

The electric power generation characteristics of a lead zirconate titanate piezoelectric ceramic under various cyclic loading conditions

Mitsuhiro Okayasu, Keisuke Watanabe

Ceramics International   41 ( 10 )   15097 - 15102   2015.12

The Effects of Defects on Tensile Properties of Cast ADC12 Aluminum Alloy

Mitsuhiro Okayasu, Hikoyuki Sakai

Metallurgical and Materials Transactions A   46A ( 11 )   5418 - 5430   2015.11

Material Properties of Various Cast Aluminum Alloys Made Using a Heated Mold Continuous Casting Technique with and without Ultrasonic Vibration

Mitsuhiro Okayasu, Yuta Miyamoto, Kazuma Morinaka

Metals   5 ( 3 )   1440 - 1453   2015.9

Effects of cyclic loading on fatigue properties of austenite stainless steel

Mitsuhiro Okayasu, Hironobu Fukui

Journal of Mechanical Science and Technology   29 ( 9 )   3663 - 3668   2015.9

Precise analysis of effects of aging on mechanical properties of cast ADC12 aluminum alloy

Mitsuhiro Okayasu, Shoka Go

Materials Science and Engineering A   638   208 - 218   2015.6

Crystallization characteristics of cast aluminum alloys during a unidirectional solidification process

Mitsuhiro Okayasu, Shuhei Takeuchi

Materials Science and Engineering A   633 ( May )   112 - 120   2015.5

Precise Analysis of Microstructural Effects on Mechanical Properties of Cast ADC12 Aluminum Alloy

Mitsuhiro Okayasu, Shuhei Takeuchi, Masaki Yamamoto, Hiroaki Ohfuji, Toshihiro Ochi

Metallurgical and Materials Transactions A   46A ( 4 )   1597 - 1609   2015.4

Influence of solidification rate on material properties of cast aluminium alloys based on al-si-cu and al-si-mg

M. Okayasu, S. Yoshida

International Journal of Cast Metals Research   28 ( 2 )   105 - 116   2015.4

Effects of Stress Concentration on the Mechanical Properties of Carbon Fiber Reinforced Plastic

R. Naito, M. Okayasu, D. Fukuyama

International Journal on Smart Material and Mechatronics   2 ( 2 )   136 - 139   2015

Mechanical Properties of Samurai Swords (Carbon Steel) Made Using a Traditional Steelmaking Technology (tatara)

M.Okayasu, H.Sakai, T.Tanaka

Journal of Material Sciences & Engineering   4 ( 2 )   1 - 6   2015

Mechanical Strength and Failure Characteristics of Cast Mg-9 pctAl-1 pctZn Alloys Produced by a Heated-Mold Continuous Casting Process: Tensile Properties

Mitsuhiro Okayasu, Shuhei Takeuchi, Hiroaki Ohfuji

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE   45A ( 12 )   5767 - 5776   2014.11

In Situ Observation of Material Failure in Cast Aluminum Alloy During Monotonic Loading Observed by a High-Speed Camera

M. Okayasu, S. Takeuchi, K. Aizawa

Experimental Mechanics   54 ( 8 )   1479 - 1489   2014.9

Characteristics of electrical power generation from lead zirconate titanatepiezoelectric ceramics under cyclic loading

Mitsuhiro Okayasu, Mamoru Mizuno, Tetsuro Shiraishi

Ceramics International   40 ( 5 )   6589 - 6595   2014.6

Mechanical strength and failure characteristics of cast Mg-9%Al-1%Zn alloys produced by a heated-mold continuous casting process: Fatigue properties

Mitsuhiro Okayasu, Shuhei Takeuchi

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING   600   211 - 220   2014.4

Strain induced martensite formation characteristics of austenite stainless steel during various loading conditions

M. Okayasu, H. Fukui, H. Ohfuji, T. Shiraishi

Materials Science and Technology (United Kingdom)   30 ( 3 )   301 - 308   2014.3

Influence of microstructural characteristics on mechanical properties of ADC12 aluminum alloy

M. Okayasu, K. Ota, S. Takeuchi, H. Ohfuji, T. Shiraishi

Materials Science and Engineering A   592   189 - 200   2014.1

Effects of loading conditions on the fatigue failure characteristics in a polycarbonate

M. Okayasu, K. Yano, T. Shiraishi

Advances in Materials Research   3 ( 3 )   163 - 174   2014

Corrosion and mechanical properties of cast aluminium alloys

M. Okayasu, S. Takeuchi, T. Shiraishi

International Journal of Cast Metals Research   26 ( 6 )   319 - 329   2013.12

Mechanical properties and failure characteristics of a recycled CFRP under tensile and cyclic loading

Mitsuhiro Okayasu, Tomohiro Yamazaki, Kohei Ota, Keiji Ogi, Tetsuro Shiraishi

International Journal of Fatigue   55 ( Oct )   257 - 267   2013.10

Strain-induced martensite formation in austenitic stainless steel

Mitsuhiro Okayasu, Hironobu Fukui, Hiroaki Ohfuji, Tetsuro Shiraishi

Journal of Materials Science   48 ( 18 )   6157 - 6166   2013.9

Mechanical properties of AC4CH alloys produced by heated mould continuous casting proces

M. Okayasu, S. Takeuchi, Y. Ohkura, T. Shiraishi

International Journal of Cast Metals Research   26 ( 3 )   160 - 167   2013.6

Material properties of bismuth layered ferroelectrics and lead zirconate titanate piezoelectric ceramics

Mitsuhiro Okayasu, Yuki Sato, Satoshi Takasu, Mamoru Mizuno, Tetsuro Shiraishi

Ceramics International   39 ( 3 )   3301 - 3306   2013.4

Crystallisation characteristics of primary silicon particles in cast hypereutectic Al-Si alloy

M. Okayasu, S. Takeuchi, T. Shiraishi

International Journal of Cast Metals Research   26 ( 2 )   105 - 113   2013.4

Fatigue properties (S-N and da/dN-dδ) of cast aluminium alloys

M. Okayasu, S. Takasu, A. Niikura, S. Okano, T. Shiraishi

International Journal of Cast Metals Research   26 ( 2 )   82 - 91   2013.4

Mechanical properties of SPCC low carbon steel joints prepared by metal inert gas welding

Mitsuhiro Okayasu, Yuki Ohkura, Tatsuaki Sakamoto, Shuhei Takeuchi, Hiroaki Ohfuji, Tetsuro Shiraishi

Materials Science and Engineering A   560 ( 10 )   643 - 652   2013.1

Material Properties of Cast Aluminium Alloys Produced by Various Casting Processes

Mitsuhiro Okayasu, Kohei Ota, Shuhei Takeuchi, Tetsuro Shiraishi

Light Metals Technology   765   241 - +   2013

Development of New White Canes to Assist the Mobility of Visually Impaired People

M. Okayasu

Journal of The Japan Society for Welfare Engineering   15 ( 2 )   23 - 29   2013

Mechanical and wear properties of Cu-Al-Ni-Fe-Sn-based alloy

M. Okayasu, D. Izuka, Y. Ninomiya, Y. Manabe, T. Shiraishi

Advances in Materials Research   2 ( 4 )   221 - 235   2013

Modeling of material properties of piezoelectric ceramics taking into account damage development under static compression

Mizuno, M., Nishikata, T., Okayasu, M.

Smart Materials and Structures   22 ( 10 )   2013

New Experimental Techniques for In-situ Measurement of the Damage Characteristics of Piezoelectric Ceramics under High Cycle Fatigue Testing

M. Okayasu, Y. Sato

Experimental Mechanics   52 ( 8 )   1009 - 1020   2012.10

The effects of artificial asperities on crack closing behavior in quenched and tempered medium carbon steel

Mitsuhiro Okayasu, Zhirui Wang

Journal of Mechanical Science and Technology   26 ( 10 )   3081 - 3090   2012.10

Effects of anisotropic microstructure of continuous cast Al-Cu eutectic alloys on their fatigue and tensile properties

Mitsuhiro Okayasu, Ryo Sato, Satoshi Takasu

International Journal of Fatigue   42 ( Sept )   45 - 56   2012.9

A study of the effects of vibration on the electric power generation properties of lead zirconate titanate piezoelectric ceramic

Mitsuhiro Okayasu, Daisuke Sato, Yuki Sato, Masashi Konno, Tetsuro Shiraishi

Ceramics International   38 ( 6 )   4445 - 4451   2012.8

Mechanically controlled domain structure in PZT piezoelectric ceramics

Mitsuhiro Okayasu, Yuki Sato, Mamoru Mizuno, Tetsuro Shiraishi

Ceramics International   38 ( 6 )   4579 - 4585   2012.8

A study of the mechanical properties of an Al-Si-Cu alloy (ADC12) produced by various casting processes

M. Okayasu, Y. Ohkura, S. Takeuchi, S. Takasu, H. Ohfuji, T. Shiraishi

Materials Science and Engineering A   543 ( 1 )   185 - 192   2012.5

Study of resonance fatigue properties of piezoelectric ceramics using new fatigue testing system

M. Okayasu, Y. Sato, M. Mizuno, T. Shiraishi

Advances in Applied Ceramics   111 ( 4 )   181 - 186   2012.5

Effect of domain wall characteristics on material properties of lead zirconate titanate piezoelectric ceramics

M. Okayasu, Y. Sato, M. Mizuno, T. Shiraishi

Advances in Applied Ceramics   111 ( 4 )   187 - 195   2012.5

Mechanical properties of Al-Si-Cu alloys produced by the twin rolled continuous casting process

Mitsuhiro Okayasu, Ryo Sato, Satoshi Takasu, Akio Niikura, Tetsuro Shiraishi

Materials Science and Engineering A   534 ( 1 )   614 - 623   2012.2

Relevance of instrumented nano-indentation for the assessment of the mechanical properties of eutectic crystals and alpha-Al grain in cast aluminum alloys

Mitsuhiro Okayasu, Satoshi Takasu, Mamoru Mizuno

Journal of Materials Science   47 ( 1 )   241 - 250   2012.1

Effects of Electrode Plating on Mechanical Properties of PZT Ceramics

M. Okayasu, M. Mizuno, T. Shiraishi

International Journal of Materials Engineering and Technology   8 ( 2 )   75 - 83   2012

Microstructural characteristics in tough pitch copper for revealing the work hardening region

M. Okayasu, T. Taki, S. Takasu, S. Takeuchi, T. Shiraishi

Advances in Materials Research   1 ( 4 )   347 - 357   2012

Material properties of long term naturally aged die cast Al-Si-Cu alloys

M. Okayasu, K. Sakai, S. Takasu

International Journal of Cast Metals Research   24 ( 5 )   286 - 298   2011.10

Etching technique for revealing work hardening regions in Mg-9Al-1Zn alloy

M. Okayasu, K. Sato, M. Mizuno

Materials Science and Technology   27 ( 1 )   76 - 80   2011.1

Domain switching characteristics of lead zirconate titanate piezoelectric ceramics during mechanical compressive loading

Mitsuhiro Okayasu, Kazuto Sato, Yoko Kusaba

Journal of the European Ceramic Society   31 ( 1-2 )   129 - 140   2011.1

Influence of domain orientation on the mechanical properties of lead zirconate titanate piezoelectric ceramics

Mitsuhiro Okayasu, Kazuto Sato, Mamoru Mizuno

Journal of the European Ceramic Society   31 ( 1-2 )   141 - 150   2011.1

Piezoelectric Properties of Lead-Free Piezoelectric Ceramics under Cyclic Loading

M. Okayasu, Y. Sato, M. Mizuno, K. Tanoue, K. Kato

International Journal of Materials Engineering and Technology   6 ( 1 )   1 - 10   2011

Fatigue and Tensile Properties of Titanum based Bulk Glassy Alloys

M. Okayasu, S. Takasu, T. Bitoh, D. Shin, M. Makabe

International Journal of Materials Engineering and Technology   5 ( 2 )   77 - 90   2011

New ceramic injection systems for hot chamber die casting of aluminium alloys

M. Okayasu, M. Hitomi, H. Yamazaki

International Journal of Cast Metals Research   23 ( 4 )   246 - 249   2010.8

Microstructure and material properties of an Al-Cu alloy provided by the Ohno continuous casting technique

Mitsuhiro Okayasu, Satoshi Takasu, Shigeki Yoshie

Journal of Materials Processing Technology   210 ( 11 )   1529 - 1535   2010.8

Newly developed walking apparatus for identification of obstructions by visually impaired people

Mitsuhiro Okayasu

Journal of Mechanical Science and Technology   24 ( 6 )   1261 - 1264   2010.6

Mechanical properties of Al-Si-13-Ni-1.4-Mg-1.4-Cu-1 alloys produced by the Ohno continuous casting process

Mitsuhiro Okayasu, Shigeki Yoshie

Materials Science and Engineering A   527 ( 13-14 )   3120 - 3126   2010.5

Damage Evaluation of Piezoelectric Ceramics from the Variation of the Elastic Coefficient under Static Compressive Stress

Mamoru Mizuno, Mitsuhiro Okayasu, Nozomi Odagiri

International Journal of Damage Mechanics   19 ( 3 )   375 - 390   2010.4

In situ measurement of material properties of lead zirconate titanate piezoelectric ceramics during cyclic mechanical loading

Mitsuhiro Okayasu, Eriko Sugiyama, Mamoru Mizuno

Journal of the European Ceramic Society   30 ( 6 )   1445 - 1452   2010.4

Observation of Failure and Domain Switching in Lead Zirconate Titanate Ceramics Reviewed

Mitsuhiro OKAYASU, Eriko SUGIYAMA, Kazuto SATO, Mamoru MIZUNO

Journal of Solid Mechanics and Materials Engineering   4 ( 3 )   426 - 434   2010.4

An etching characterization method for revealing the plastic deformation zone in a SUS303 stainless steel

Mitsuhiro Okayasu, Kazuto Sato, Satoshi Takasu

Journal of Materials Science   45 ( 5 )   1220 - 1226   2010.3

Fatigue failure characteristics of lead zirconate titanate piezoelectric ceramics

Mitsuhiro Okayasu, Go Ozeki, Mamoru Mizuno

Journal of the European Ceramic Society   30 ( 3 )   713 - 725   2010.2

The development of a visual system for the detection of obstructions for visually impaired people

Mitsuhiro Okayasu

Journal of Mechanical Science and Technology   23 ( 10 )   2776 - 2779   2009.10

Comparison of mechanical properties of die cast aluminium alloys: Cold v. Hot chamber die casting and high v. Low speed filling die casting

M. Okayasu, S. Yoshifuji, M. Mizuno, M. Hitomi, H. Yamazaki

International Journal of Cast Metals Research   22 ( 5 )   374 - 381   2009.10

Mechanical and fatigue strengths of silicon nitride ceramics in liquid aluminum alloys

Mitsuhiro Okayasu, Masuo Hitomi, Hirotsugu Yamazaki

Journal of the European Ceramic Society   29 ( 11 )   2369 - 2378   2009.8

Temperature dependence of the fatigue and mechanical properties of lead zirconate titanate piezoelectric ceramics

Mitsuhiro Okayasu, Masashi Otake, Teruo Bitoh, Mamoru Mizuno

International Journal of Fatigue   31 ( 8-9 )   1254 - 1261   2009.8

Damage characteristics of lead zirconate titanate piezoelectric ceramic during cyclic loading

Mitsuhiro Okayasu, Nozomi Odagiri, Mamoru Mizuno

International Journal of Fatigue   31 ( 8-9 )   1434 - 1441   2009.8

Effects of atmospheric corrosion on fatigue properties of a medium carbon steel

M. Okayasu, K. Sato, K. Okada, S. Yoshifuji, M. Mizuno

Journal of Materials Science   44 ( 1 )   306 - 315   2009.1

Formulation of damage development for piezoelectric ceramics under static compressive stress

M. Mizuno, T. Nishikata, M. Okayasu

12th International Conference on Fracture 2009, ICF-12   1   762 - 770   2009

Examination of chemical reaction for revealing plastic deformation zone in low carbon steel

M. Okayasu, A. Sato, M. Mizuno

Materials Science and Technology   24 ( 12 )   1477 - 1483   2008.12

Hot chamber diecasting with Si<inf>3</inf>N<inf>4</inf> ceramic injection system: Application to aluminium alloy components

M. Okayasu, M. Hitomi, H. Yamazaki

International Journal of Cast Metals Research   21 ( 5 )   339 - 348   2008.10

Fatigue properties of ultra-fine grained dual phase ferrite/martensite low carbon steel

M. Okayasu, K. Sato, M. Mizuno, D. Y. Hwang, D. H. Shin

International Journal of Fatigue   30 ( 8 )   1358 - 1365   2008.8

Effects of silver-based metal electroplate on fatigue properties of PZT ceramics

Mitsuhiro Okayasu, Satoshi Aoki, Mamoru Mizuno

International Journal of Fatigue   30 ( 6 )   1115 - 1124   2008.6

Experimental technique for observation of three-dimensional metallography in brass and carbon steel

M. Okayasu, T. Ishikawa, M. Mizuno, T. Ono

Materials Science and Technology   24 ( 5 )   547 - 552   2008.5

A new etching technique for revealing the plastic deformation zone in an Al-Cu-Mg alloy

Mitsuhiro Okayasu, Kazuto Sato, Mamoru Mizuno

Journal of Materials Science   43 ( 8 )   2792 - 2798   2008.4

Effect of carbon content on etching response for identification of plastic deformation zones in carbon steels

Mitsuhiro Okayasu, Dong H. Shin, Mamoru Mizuno

Materials Science and Engineering A   474 ( 1-2 )   140 - 147   2008.2

Experimental investigation of the effects of artificial wedges on fatigue crack growth and crack closing behavior in annealed SAE1045 steel

Mitsuhiro Okayasu, Zhirui Wang

International Journal of Fatigue   29 ( 5 )   962 - 976   2007.5

Experimental study of the effect of loading condition on fracture surface contact features and crack closure behavior in a carbon steel

Mitsuhiro Okayasu, Daolun Chen, Zhirui Wang

Engineering Fracture Mechanics   73 ( 9 )   1117 - 1132   2006.6

Etching technique for revelation of plastic deformation zone in low carbon steel

M. Okayasu, Z. Wang, D. L. Chen

Materials Science and Technology   21 ( 5 )   530 - 538   2005.5

Effect of a hard artificial asperity on the crack closure behavior in an annealed SAE 1015 steel

Okayasu, M., Wang, Z., Chen, D.L.

Engineering Fracture Mechanics   72 ( 13 )   2005

Advanced Materials Engineering （2024academic year） Prophase  - 金5～8

Applied Materials （2024academic year） Fourth semester  - 水1～2

Applied Materials （2024academic year） Fourth semester  - 水1～2

Seminar in Structural Materials Engineering （2024academic year） Other  - その他

Seminar in Structural Materials Engineering （2024academic year） Year-round  - その他

Research Works for Mechanical and Systems Engineering 1 （2024academic year） Prophase  - その他

Research Works for Mechanical and Systems Engineering 2 （2024academic year） Late  - その他

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Advanced Study （2024academic year） Other  - その他

Control of Metallic Microstructure （2024academic year） Prophase  - 金5～8

Microstructure and Phase Transformation （2024academic year） Late  - その他

Linear Algebra （2024academic year） 1st and 2nd semester  - 金5～6

Linear Algebra （2024academic year） 1st and 2nd semester  - 金5～6

Linear Algebra 1 （2024academic year） 1st semester  - 金5～6

Linear Algebra 2 （2024academic year） Second semester  - 金5～6

Short-Term Study Abroad for Engineering (Rhode Island･USA) （2023academic year） special  - その他

Short-Term Study Abroad for Engineering (Chang Gung University･Taiwan) （2023academic year） special  - その他

Short-Term Global Experiences for Engineering (Taiwan) （2023academic year） Summer concentration  - その他

Industrial Mechanics （2023academic year） Third semester  - 月3～4,木1～2

Industrial Mechanics （2023academic year） Third semester  - 月3～4,木1～2

Advanced Materials Engineering （2023academic year） Prophase  - 金5～8

Applied Materials （2023academic year） Fourth semester  - 水1～2

Applied Materials （2023academic year） Fourth semester  - 水1～2

Seminar in Structural Materials Engineering （2023academic year） Year-round  - その他

Seminar in Structural Materials Engineering （2023academic year） Year-round  - その他

Research Works for Mechanical and Systems Engineering 1 （2023academic year） Prophase  - その他

Research Works for Mechanical and Systems Engineering 2 （2023academic year） Late  - その他

Seminar on Mechanical Engineering 1 （2023academic year） Prophase  - その他

Seminar on Mechanical Engineering 2 （2023academic year） Late  - その他

Advanced Study （2023academic year） Other  - その他

Control of Metallic Microstructure （2023academic year） Prophase  - 金5～8

Prediction and Control of Microstructure and Mechanical Properties of Metals （2023academic year） Late  - その他

Microstructure and Phase Transformation （2023academic year） Late  - その他

Linear Algebra （2023academic year） 1st and 2nd semester  - 金5～6

Linear Algebra （2023academic year） 1st and 2nd semester  - 金5～6

Linear Algebra 1 （2023academic year） 1st semester  - 金5～6

Linear Algebra 2 （2023academic year） Second semester  - 金5～6

Internship in Engineering and Science （2022academic year） Year-round  - その他

Short-Term Study Abroad for Engineering (Rhode Island･USA) （2022academic year） special  - その他

Industrial Mechanics （2022academic year） Third semester  - 月3～4,木1～2

Industrial Mechanics （2022academic year） Third semester  - 月3～4,木1～2

Industrial Mechanics （2022academic year） Third semester  - 月3～4,木1～2

Applied Materials （2022academic year） Fourth semester  - 水1～2

Seminar in Structural Materials Engineering （2022academic year） Year-round  - その他

Research Works for Mechanical and Systems Engineering 1 （2022academic year） Prophase  - その他

Research Works for Mechanical and Systems Engineering 2 （2022academic year） Late  - その他

Control of Metallic Microstructure （2022academic year） Late  - 木3～4,金1～2

Prediction and Control of Microstructure and Mechanical Properties of Metals （2022academic year） Late  - その他

Linear Algebra （2022academic year） 1st and 2nd semester  - 金5～6

Linear Algebra （2022academic year） 1st and 2nd semester  - 金5～6

Linear Algebra 1 （2022academic year） 1st semester  - 金5～6

Linear Algebra 2 （2022academic year） Second semester  - 金5～6

Internship in Engineering and Science （2021academic year） Year-round  - その他

Industrial Mechanics （2021academic year） Third semester  - 月3,月4,木1,木2

Industrial Mechanics （2021academic year） Third semester  - 月3,月4,木1,木2

Applied Materials （2021academic year） Fourth semester  - 水1,水2

Seminar in Structural Materials Engineering （2021academic year） Year-round  - その他

Introduction to Mechanical and Systems Engineering （2021academic year） Prophase  - 金1,金2

Research Works for Mechanical and Systems Engineering 1 （2021academic year） Prophase  - その他

Research Works for Mechanical and Systems Engineering 2 （2021academic year） Late  - その他

Control of Metallic Microstructure （2021academic year） Late  - 木3～4,金1～2

Prediction and Control of Microstructure and Mechanical Properties of Metals （2021academic year） Late  - その他

Linear Algebra （2021academic year） 1st and 2nd semester  - 金5,金6

Linear Algebra （2021academic year） 1st and 2nd semester  - 金5,金6

Linear Algebra 1 （2021academic year） 1st semester  - 金5,金6

Linear Algebra 2 （2021academic year） Second semester  - 金5,金6

Internship in Engineering and Science （2020academic year） Year-round  - その他

Industrial Mechanics （2020academic year） Third semester  - 月3,月4,木1,木2

Industrial Mechanics （2020academic year） Third semester  - 月3,月4,木1,木2

Applied Materials （2020academic year） Fourth semester  - 水1,水2

Seminar in Structural Materials Engineering （2020academic year） Prophase

Seminar in Structural Materials Engineering （2020academic year） Year-round  - その他

Seminar in Structural Materials Engineering （2020academic year） Other  - その他

Research Works for Mechanical and Systems Engineering 1 （2020academic year） Prophase  - その他

Research Works for Mechanical and Systems Engineering 2 （2020academic year） Late  - その他

Materials Science for Mechanical Engineers （2020academic year） Fourth semester  - 水1,水2

Seminar on Industrial Technologies （2020academic year） Late  - 水5,水6,水7,水8

Control of Metallic Microstructure （2020academic year） Late  - 木,金

Prediction and Control of Microstructure and Mechanical Properties of Metals （2020academic year） special  - その他

Linear Algebra （2020academic year） 1st and 2nd semester  - 金5,金6

Linear Algebra 1 （2020academic year） 1st semester  - 金5,金6

Linear Algebra 2 （2020academic year） Second semester  - 金5,金6