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Chinese Journal of Materials Research  2012, Vol. 26 Issue (5): 545-550    DOI:
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Property and Microstructures of Cold Rolled Molybdenum Strip by Laser Shock Processing
ZHANG Qinglai1,   CHEN Jun1,  FENG Tiantian1,  JIANG Yinfang2,  HAN Weidong3,  REN Xudong2
1.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013
2.School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013
3.Bao Ji Bo Xin Metal Materials Ltd, Baoji 721013
Cite this article: 

ZHANG Qinglai CHEN Jun FENG Tiantian JIANG Yinfang HAN Weidong REN Xudong. Property and Microstructures of Cold Rolled Molybdenum Strip by Laser Shock Processing. Chinese Journal of Materials Research, 2012, 26(5): 545-550.

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Abstract  

The cold-rolled polycrystalline molybdenum strip was laser shocked by the Thales laser with the maximum output laser pulse energy of 12.5 J, and the microhardness and microstructure of shocked specimens were analyzed. The results show that laser shock at high strain rate can achieve a double effect of forming and modification of brittle polycrystalline cold-rolled molybdenum strip. The microhardness on the surface of the polycrystalline molybdenum strip in the half-lap region of laser shock processing accorded with variation of the Gaussian function, and the peak range was HV265-310. The thermostability of laser shocked molybdenum strip was improved.

Key words:  metallic materials      molybdenum strip      laser shock peening      cold forming     
Received:  27 June 2012     
ZTFLH:  TN249  
  TG146  
Fund: 

Supported by National Natural Science Foundation of China No.51175231.

URL: 

https://www.cjmr.org/EN/     OR     https://www.cjmr.org/EN/Y2012/V26/I5/545

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