Correlation between tensile-strength characteristics and dynamic hardness

被引：0
|
作者：
Loshmanov, LP [1 ]
机构：
[1] Moscow State Tech Univ, State Inst Engn Phys, Moscow, Russia
来源：
INDUSTRIAL LABORATORY | 1997年 / 63卷 / 04期
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A device for testing materials for hardness under impact load is described and relationships for the indentor penetration speed, the force of resistance of the material, and the strain rate as a function of the indentor penetration depth are presented. Relationships for the yield strength (sigma(y)) and hardness (ND) of a steel as a function of the strain rate are also presented. The ratio C = HD/sigma(y) under dynamic load was found to be 2.2, which is somewhat smaller than that measured under static conditions.
引用
收藏
页码：232 / 235
页数：4
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