Faculty Profiles - TADA Naoya

MISC - TADA Naoya

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205 Effect of Mechanical Properties of Workpieces on Non-axisymmetric Forming by Synchronous Spinning

TANAKA Shuichi, SHIMIZU Ichiro, TADA Naoya

2009 ( 47 ) 55 - 56 2009.2

1010 Fatigue crack growth rate of vulcanized natural rubber and effect of heat aging

SOMA Prabhakar, TADA Naoya, UCHIDA Makoto, KATAYAMA Minoru, NAKAHARA Kazunari

2009 ( 47 ) 345 - 346 2009.2

115 Crystal plasticity analysis of surface undulation of polycrystalline metals occurred by compressive deformation

ANZAI Hiroaki, UCHIDA Makoto, TADA Naoya

2009 ( 47 ) 29 - 30 2009.2

117 Study on Change in Surface Undulation of Pure Titanium Specimen During Compression Using Digital Holographic Microscope

YAGI Nobuaki, TADA Naoya, SHIMIZU Ichiro, NAITOU Takayuki

2009 ( 47 ) 33 - 34 2009.2

534 Crystal Orientation Dependency of Indentation Geometry and Its Surrounding Deformation of Ti-Mo Alloys

KIMURA Noriaki, SHIMIZU Ichiro, TADA Naoya, TAKEMOTO Yoshito, ISHIDA Takahisa

58 359 - 360 2009

523 Study on Plastic Behavior of Pure Titanium during Various Biaxial Compression Strain Paths

IDEI Junya, SHIMIZU Ichiro, TADA Naoya

58 337 - 338 2009

533 Evaluation of Local Deformation of Semi-Crystalline Polymer during Neck Propagation by Digital image Correlation Method

UCHIDA Makoto, KAJIMOTO Tetsuharu, TADA Naoya

58 357 - 358 2009

Grain-by-grain distribution of plastic strain and rotation in polycrystal pure copper and pure nickel specimens subjected to tensile loading

Copper and copper alloy 48 ( 1 ) 259 - 265 2009

S0301-6-3 Study on Stress along the Fillet on Upper Deck of Cylinder Block during Operation and Fatigue Strength by Finite Element Analysis

IGUCHI Katsuyuki, TADA Naoya, SHIMIZU Ichiro

The proceedings of the JSME annual meeting 2009 119 - 120 2009

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

The static stress by tightening cylinder head bolts and the stress in operation were calculated by using finite element analysis along the fillet on an upper deck of cylinder block with wet liner structure. The stress was calculated based on dynamic balance of cylinder block and its stiffness ratio to cylinder head bolt. The stress distribution before and during operation evaluated by finite element analysis corresponded to the measurement results. The fatigue strength was examined by plotting the stress amplitude and the mean stress on the fatigue limit diagram. The results corresponded to the presence or absence of crack along the fillet of test and prototype engines well.

DOI： 10.1299/jsmemecjo.2009.1.0_119

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S0302-1-4 A suggestion of evaluation method for crystallographic orientation of pure titanium by means of micro indentation test

SHIMIZU Ichiro, TADA Naoya, ISHIDA Takahisa

The proceedings of the JSME annual meeting 2009 133 - 134 2009

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

Most characteristics of metallic materials are influenced by crystallographic orientation of grains. Measurement of crystal orientation is therefore important for effective use of metallic materials. However, the most methods employed for orientation measurement require expensive apparatus and technical skills. Meanwhile, indentation testing is easy to perform and the imposed micro-indentation geometry on a grain is possible to reflect its crystallographic orientation. The present study aims to establish the method to evaluate crystallographic orientation of grain in polycrystalline metal, based on the indentation geometry. The indentation tests with triangular pyramidal indenter were carried out on pure titanium grains, of which crystal orientations were premeasured by electron backscattered diffraction method. Thus, the relationship between the crystallographic orientation and the indentation geometry was discussed. The results indicated that the directions of <0001> axis and <21^^-1^^-0> axis projected on sample surface were well-correlated with the deviation of te indentation shape from the ideal one. This fact suggests the possibility to evaluate crystallographic orientation by the imposed indentation geometry.

DOI： 10.1299/jsmemecjo.2009.1.0_133

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A01 Study on Plastic Deformation in Pure Titanium Grains by EBSD Method and Deposited Marks at Lattice Points

NAITOU Takayuki, TADA Naoya, SHIMIZU Ichiro

2008 1 - 2 2008.10

A07 Continuous Evaluation of Distribution of Local Deformation of Semi-Crystalline Polymers in Tensile Test

KAJIMOTO Tetsuharu, UCHIDA Makoto, TADA Naoya

2008 13 - 14 2008.10

A13 Study on Fracture Condition on the Fillet of Upper Deck of Cylinder Block for Diesel Engine

IMADU Tomohiro, IGUCHI Katsuyuki, TADA Naoya, SHIMIZU Ichiro, IWASAKI Kouji

2008 25 - 26 2008.10

B19 Study on Reducing Method of Static Stress along Fillet of Upper Deck of Cylinder Block for Dry Liner by Non-Linear FEA

IGUCHI Katsuyuki, TADA Naoya, SHIMIZU Ichiro, Iwasaki Kouji

2008 83 - 84 2008.10

A10 Monitoring of Joined Interface Crack between Lead-Free Solder Ball and Copper in High Temperature Cyclic Tension by DC-PDM

EZAKI Yusuke, TADA Naoya, NAKAHARA Ryoichi

2008 19 - 20 2008.10

OS0617 Tensile Test of Pure Titanium Thin Films with Different Crystal Grain Size Actuated by Thermal Stress

HASHIMOTO Kazuki, TADA Naoya, SHIMIZU Ichiro

2008 "OS0617 - 1"-"OS0617-2" 2008.9

PS30 Study on Evaluation of Microscopic Property of Pure Titanium by Means of Indentation Shape

ISHIDA Takahisa, SHIMIZU Ichiro, TADA Naoya, UCHIDA Makoto

2008 "PS30 - 1"-"PS30-2" 2008.9

Electric Field Analysis of the Simultaneous Evaluation of Location, Size, and Shape of a Semi-Elliptical Crack on the Back Surface and Plate Thickness Using Direct-Current Potential Difference Method of Multiple-Probe Type

TADA Naoya, FUNAKOSHI Akira, UCHIDA Makoto, ISHIKAWA Hiroki

57 ( 3 ) 137 - 141 2008.3

910 Evaluation of Static Strain at the Fillet of Cylinder Block and Depth Optimization of Thread Engagement for Cylinder Head Bolts

IGUCHI Katsuyuki, TADA Naoya, SHIMIZU Ichiro

2008 ( 46 ) 343 - 344 2008.2

211 Fundamental study on mechanical properties and microstructure of aluminum sheet with locally heavy-worked area

OGAWA Mitsumasa, SHIMIZU Ichiro, TADA Naoya

2008 ( 46 ) 61 - 62 2008.2

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