Torsional split Hopkinson bar tests at strain rates above 104 s-1

被引：34

作者：

Gilat, A ^{[1
]}

Cheng, CS ^{[1
]}

机构：

[1] Ohio State Univ, Dept Mech Engn, Columbus, OH 43210 USA

来源：

EXPERIMENTAL MECHANICS | 2000年 / 40卷 / 01期

基金：

美国国家科学基金会;

关键词：

split Hopkinson bar; high strain rate; dynamic testing;

D O I：

10.1007/BF02327548

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The torsional split Hopkinson bar is used for testing materials at strain rates above 10(4) s(-1). This strain rate, which is an order of magnitude higher than is typical with this technique, is obtained by using very short specimens. Strain rates of 6.4 x 10(4) s(-1) have been achieved with specimens having a gage length of 0.1524 mm. Results from tests on 1100 aluminum show an increase in rate sensitivity as the strain rate increases.

引用

页码：54 / 59

页数：6

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