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Dive into the research topics where Komei Hayashi is active.

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Featured researches published by Komei Hayashi.


Key Engineering Materials | 2011

Effect of Friction Stir Welding Condition on Fatigue Limit of Welded Non-Combustible Mg Alloy

Komei Hayashi; Shigeru Hamada; Ichinori Shigematsu; Michiru Sakamoto; Hiroshi Noguchi

The atigue strength of Friction Stir Welding is affected by the structure and the welding defect size. The welding defect sizes have a scatter. Therfore, the effect of Friction Stir Welding condition on fatigue limit of welded noncombustible Mg alloy was investigated with the specimen which has a controlled defect size. As a result, the good correlation between the fatigue limit and the hardness of the welding area was clarified.


International Journal of Fatigue | 2013

Engineering definitions of small crack and long crack at fatigue limit under tensile mean stress and a prediction method for determining the fatigue limit of a cracked Mg alloy

Shigeru Hamada; Takuya Kinoshita; Kazunori Morishige; Komei Hayashi; Toshiyuki Ishina; Hiroshi Noguchi


International Journal of Mechanical Sciences | 2013

Simple calculation method for stress concentration and stress intensity of T-shaped member

Shigeru Hamada; Mitsuji Ueda; Komei Hayashi; Hiroshi Noguchi


Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A | 2009

Proposal of strength evaluation method in casting material with defect: Using si-added noncombustible mg alloy

Shigeru Hamada; Komei Hayashi; Toshiharu Matsumoto; Michiru Sakamoto; Hiroshi Noguchi


ECF19 | 2013

Evaluation of joint defects on FSW of Mg alloy using statistical method

Takuya Kinoshita; Komei Hayashi; Shigeru Hamada; Ichinori Shigematsu; Hiroshi Noguchi


19th European Conference on Fracture: Fracture Mechanics for Durability, Reliability and Safety, ECF 2012 | 2012

Evaluation of joint defects on FSW of mg alloy using statistical method

Takuya Kinoshita; Komei Hayashi; Shigeru Hamada; Ichinori Shigematsu; Hiroshi Noguchi


Strength of Materials | 2011

Method of evaluation of distribution characteristics of flaky inclusions

Komei Hayashi; Shigeru Hamada; Toshiharu Matsumoto; M. Sakamoto; Hiroshi Noguchi


Journal of Solid Mechanics and Materials Engineering | 2011

Proposed Simple Determination Method for Welding Condition of Joint from Fatigue Limit Characteristics

Shigeru Hamada; Taka-aki Kawazoe; Komei Hayashi; Harumi Morita; Mitsuji Ueda; Michiru Sakamoto; Hiroshi Noguchi


Journal of Solid Mechanics and Materials Engineering | 2011

Proposed Strength Evaluation Method for Casting Material with Defects

Shigeru Hamada; Komei Hayashi; Toshiharu Matsumoto; Michiru Sakamoto; Hiroshi Noguchi


Transactions of the Japan Society of Mechanical Engineers. A | 2010

Proposal of simple determination method for welding condition of joint from fatigue limit characteristics (1st report, application to TIG-butt-joint of non-combustible Mg alloy)

Shigeru Hamada; Taka Aki Kawazoe; Komei Hayashi; Harumi Morita; Mitsuji Ueda; Michiru Sakamoto; Hiroshi Noguchi

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Michiru Sakamoto

National Institute of Advanced Industrial Science and Technology

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Ichinori Shigematsu

National Institute of Advanced Industrial Science and Technology

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