Research on MIB Suface Modification of Cr12MoV Cold-Working Die Steel

Xiao Fei Ding; Bao Qing Zeng; Ai Guang Lin; Zhong Dong Xie; Cheng Xiao Mu

doi:10.4028/www.scientific.net/AMR.239-242.1265

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Research on MIB Suface Modification of Cr12MoV...

Research on MIB Suface Modification of Cr12MoV Cold-Working Die Steel

Abstract:

Multi-ion beam (MIB) surface modification techniques are used to treat Cr12MoV cold die work steel. The modified layers of steel treated by MIB is improved with low friction coefficient, high wearing resistance and strong adhesion with the matrix through results of hardness, scratch and wearing test. The modified layers include (Ti₂N +TiN), (а-Fe+TiN) and (а- Fe(N)+Cr₇C₃) three layers from surface to inside by analysis of SEM, EPMA and TEM. And the surface layer presents nano-size grain refining. The service life of the Cr12MoV cold die steel treated by MIB can be prolonged 3-5 times longer than the untreated one.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

1265-1268

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.1265

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Online since:

May 2011

Authors:

Xiao Fei Ding, Bao Qing Zeng, Ai Guang Lin, Zhong Dong Xie, Cheng Xiao Mu

Keywords:

Cold Work Die Steel, MIB (Muti-Ion Beam), Nano-Size, Surface Modification

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