Surface Nanocrystalline of Martensite Steel Induced by Sandblasting at High Temperature

被引：7

作者：

Fu, Licai ^{[1
]}

Li, Dongyang ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G2V4, Canada

来源：

ADVANCED ENGINEERING MATERIALS | 2013年 / 15卷 / 06期

关键词：

MECHANICAL ATTRITION TREATMENT; TRIBOLOGICAL PROPERTIES; STAINLESS-STEEL; BEHAVIOR; 304-STAINLESS-STEEL;

D O I：

10.1002/adem.201200252

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The mechanical and tribological properties were conducted to investigate surface nanocrystalline of martensite steel with hardness of 5GPa by using sandblasting technique at 500 degrees C. The average grain size of surface is 30nm. In contrast, the average grain size of the martensite steel surface, which processed by sandblasting at room temperature and post-annealing at 500 degrees C, is 112nm. Fine grains and Fe3C phase in situ form during sandblasting at 500 degrees C that is favor for producing nanoscale structure of the martensite steel. The nanostructure surface of the martensite steel has higher hardness and better wear resistance.

引用

页码：476 / 479

页数：4

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