Abstract
Abstract
The high manganese steel is widely used in wear-resisting parts of the cone crusher, such as the grinding mill wall and crushing wall. In this work, the microstructure and wear resistance of an ultra-high manganese steel (Mn18Cr2Mo) were analyzed by electron diffraction and high-resolution transmission electron microscope (HRTEM) observation and impact abrasive wear test. The results show that there are spherical or block Mo2C and strip-like (Fe, Cr)3C phases in Mn18Cr2Mo manganese steel. The orientation of the Mo2C phase and the austenite matrix are [001]austenite//
10
1
¯
Mo2C, (020)austenite//(020)Mo2C,
2
¯
00
austenite//(202)Mo2C and
2
¯
20
austenite//(242)Mo2C. The that of the (Fe, Cr)3C phase and the austenite matrix are [011]austenite//
12
1
¯
(Fe, Cr)3C and
11
1
¯
austenite//(210)(Fe, Cr)3C. Besides,
1
¯
1
1
¯
austenite is approximately parallel to
1
1
¯
3
(Fe, Cr)3C. The interface relation of (002)austenite is approximately parallel to
1
¯
2
¯
3
(Fe, Cr)3C. Owing to high density dislocations, deformation bands, microcrystal and non-crystalline, the wear resistance of the Mn18Cr2Mo manganese steel is 1.83 times that of the Mn13 manganese steel under the impact abrasive wear test.
Subject
Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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