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Enhanced Surface Mechanical Properties of Cr12MoV Using Ultrasonic Surface Rolling Process and Deep Cryogenic Treatment

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Abstract:

Ultrasonic surface rolling process (USRP) combined with deep cryogenic treatment (USRP+DCT) was applied on quenched and tempered Cr12MoV. The results indicated that USRP and USRP+DCT could significantly improve the surface mechanical properties, leading to smaller surface roughness and smoother morphology with less cracks and defects. Test of microhardness showed that the hardness increase of USRP and USRP+DCT were 16.4% and 23.6%, respectively. In addition, the wear resistance was improved by USRP and USRP+DCT. Compared with USRP, USRP+DCT can further improve the surface mechanical properties of Cr12MoV.

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Periodical:

Solid State Phenomena (Volume 279)

Pages:

143-147

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.279.143

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Online since:

August 2018

Authors:

Shuai Ren*, Yun Fei Zhang, Feng Xue, Rui Shan Xin, Zi Zhen Xu, Ying Li Zhao, Ming Qiang Fan, Jin Bao Chang

Keywords:

Cr12MoV, Deep Cryogenic Treatment, Ultrasonic Surface Rolling Process

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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