Microstructure of adiabatic shear bands induced during high speed machining of high-strength steel

被引：0
|
作者：
Duan, C. Z. [1 ]
Wang, M. J. [1 ]
Pang, J. Z. [1 ]
Cai, Y. J. [1 ]
机构：
[1] Dalian Univ Technol, Minist Educ, Key Lab Precis & Nontradit Machining Technol, Dalian, Peoples R China
来源：
CURRENT DEVELOPMENT IN ABRASIVE TECHNOLOGY, PROCEEDINGS | 2006年
关键词：
adiabatic shear band; high speed machining; recrystallization;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructures of adiabatic shear bands(ASB,) in the serrated chips induced during high speed orthogonal cutting test of 30CrNi(3)MoV high strength steel were observed by optical microscope, SEM and TEM. The observations show that there are two types of ASBs in the serrated chips, i.e. the deformed band and white shear band. The investigation results indicate that the deformed shear bands with elongated and broken microstructure is result from large plastic deformation, recrystallization is proposed to be the mechanism to explain the formation of the fine equiaxed grains observed in the center of white shear bands.
引用
收藏
页码：453 / +
页数：3
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