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Residual Stress

Various residual stress measurement technologies and measurement examples in actual parts and machines are introduced

Dr. Hayashi's title of Doctor of Engineering research is X-ray Study on Fatigue Fracture Behavior of Aluminium. In the research, effect of crystal orientation on fatigue crack initiation life, directionality of fatigue strength in cold-rolled aluminium, grain size dependence of fatigue strength and crack growth, effect of test temperature on fatigue strength, fatigue crack growth in cold-rolled and stretched aluminium, etc, were studied. When Dr. Hayashi was working at Mechanical Engineering Research Laboratory, Hitachi Ltd., he studied and developed fatigue crack initiation life prediction technology based on X-ray diffraction, life prediction technology for fatigue and creep combined condition by short crack observation, X-ray fractography technology, surface crack configuration determining technique based on electrical potential drop method, corrosion fatigue life prediction and fracture suppression technology, low and high cycle thermal fatigue crack initiation and growth behavior, residual stress measurement technology by neutron diffraction method.

About the Author

Makoto Hayashi

Career:

Graduate from Nagoya Institute of Technology in 1973

Graduate from Graduate School of Engineering Science, Osaka University in 1978

Entering Hitachi, Ltd. (Hitachi Research Laboratory) in 1978

Head of Third Department, Mechanical Engineering Research Laboratory in 1996

Head of Planning Office, ibid, in 2001

Principal Engineer of Nuclear Division, Hitachi, Ltd. in 2002

Senior Director for Neutron Promotion, Ibaraki Prefectural Government in 2006

Science Coordinator, Comprehensive Research Organization for Science and Society in 2016

Advisor, AIDA ENGINEERING LTD. in 2019

Retired in 2021

 

Professional field:

Structural integrity, Fatigue strength, Fracture mechanics, Fractography

FEM analysis, NDI

X-ray and Neutron Diffraction (Residual stress, Texture, Powder diffraction)

 

Academic Society:

Japan Society for Mechanical Engineers (JSME)

The Society for Materials Science, Japan (JSMS)

Japan Society for Neutron Scattering (JSNS)

 

Academic award:

1) Technical Award of JSMS in 1991 (Potential drop method)

2) Technical Award of Japan Society for Atomic Energy in 1994 (PLR pump of BWR)

3) Technical Award of JSMS in 1996 (Corrosion damage inspection system)

4) Paper Award of JSMS in 1998 (Residual stress measurement by neutron diffraction)

5) Paper Award of Japan High Pressure Technology in 2000 (Simplified method for

residual stress measurement for complicated structure)

6) Achievement Award of Committee of X-ray Materials Strength, JSMS, in 2001

(Establishment of residual stress measurement technology by neutron diffraction)

7) Paper Award of Japan High Pressure Technology in 2004 (Redistribution of residual

stress due to crack extension by neutron diffraction)

8) Achievement Award of JSME in 2005 (Improvement of integrity of components in

nuclear power plant)

9) Performance Award of Materials and Mechanics Division, JSME in 2008

 (Contribution for improvement of integrity of components in nuclear power plant)

10) Achievement Award of Materials and Mechanics Division, JSME in 2008

 (Contribution for research activities concerning structural integrity)

11) Achievement Award of Japan Society of Neutron Science in 2015

 (Establishment of residual stress measurement technique using neutron diffraction

and Contribution for industrial application of neutron scattering)

 

Number of papers: 149 including review papers

Number of books published (Joint authorship): 8

Titles of book:

1)    Sensor and Diagnostic technology of instruments (1988)

2)    Handbook of non-destructive testing (1992)

3)    Handbook of fatigue design (1995)

4)    Materials and mechanics for product development and Know-how for structure strength design (2002)

5)    Macro and Microscopic Approach to Fracture, WIT Press, UK, (2003)

6)    Material strength (Rev), (2005)

7)    Fractography, (2010)

8)    Residual Stress (2021)

 

 

 

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