表面爆炸处理后的ZGMn13Cr2钢的冲击磨损性能及硬化机理

doi:10.11896/cldb.17120239

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Abstract The surface of ZGMn13Cr2 steel was subjected to an explosion treatment, its impact wear performance and microstructure with different har-dening depths were observed, and the hardening mechanism was analyzed. The results indicate that the hardness of ZGMn13Cr2 steel after explosion treatment decreased with the increase of hardening depth, and the wear resistance is improved by 1.32—1.41 times. Its worn surfaces consist of peeling pits, grooves and a small amount of broken pits. A large number of the deformation twins (hardened layer), domain boundary with high density dislocations (explosion surface), Taylor lattice (10 mm from explosion surface) and parallel slip bands and the intersections of slip bands (20 mm from explosion surface) were observed in the test steel surface with different hardening depths, but there was no martensite, the austenite matrix was mainly observed. Therefore, hardening mechanism of ZGMn13Cr2 steel is mainly dislocation hardening and twins hardening.

Key words： explosion hardening ZGMn13Cr2 steel hardening mechanism deformation twin dislocation impact wear

Published: 16 May 2019

CLC number:

TG145

About author:: Qinan Ba, received his M.S. degree in January 2019 from University of Science and Technology Beijing, focused on the research of explosion treatment of high manganese steel surface.
Renbo Song, professor of University of Science and Technology Beijing, director of the Department of Materials Processing,received his Ph.D. degree in materials from University of Science and Technology Beijing in 2002. 2002.12—2004.11, he became a researcher at the University of Tokyo, Japan.

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	BA Qinan
	SONG Renbo
	FENG Yifan
	LI Lun

Cite this article:

BA Qinan,SONG Renbo,FENG Yifan, et al. Impact Wear and Hardening Mechanism of Explosion Hardening of ZGMn13Cr2 Steel Surface[J]. Materials Reports, 2019, 33(10): 1712-1716.

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http://www.mater-rep.com/EN/10.11896/cldb.17120239 OR http://www.mater-rep.com/EN/Y2019/V33/I10/1712

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