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Reversing effect of electropulsing on damage of 1045 steel

Published online by Cambridge University Press:  31 January 2011

Yizhou Zhou ,
Rongshan Qin ,
Suhong Xiao ,
Guanhu He  and
Benlian Zhou
Yizhou Zhou
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China
Rongshan Qin
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China
Suhong Xiao
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China
Guanhu He
Affiliation:
Institute of Metal Research and International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China
Benlian Zhou
Affiliation:
Institute of Metal Research and International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China
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Abstract

The influence of electropulsing on the damage of 1045 steel was studied. The results show that electropulsing can substantially increase the strength and ductility of the damaged material, with a little decrease of the Martensite hardness. After the treatment of electropulsing, the microstructure around the crack is modified, and the new structure can prevent the crack from growing. The healing effect of electropulsing on crack is discussed. It is thought that the temperature and thermal compressive stress caused by electropulsing are the main factors causing the healing effect.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 5 , May 2000 , pp. 1056 - 1061
Copyright
Copyright © Materials Research Society 2000

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