On geometric shape of the specimen in impact tensile test

XU Wei-fang; ZHONG Wei-zhou; CHEN Gang; LI Si-zhong; CHEN Zhong-fu; HUANG Xi-cheng

doi:10.11883/1001-1455(2008)02-0149-05

Volume 28 Issue 2

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XU Wei-fang, ZHONG Wei-zhou, CHEN Gang, LI Si-zhong, CHEN Zhong-fu, HUANG Xi-cheng. On geometric shape of the specimen in impact tensile test[J]. Explosion And Shock Waves, 2008, 28(2): 149-153. doi: 10.11883/1001-1455(2008)02-0149-05

Citation:

XU Wei-fang, ZHONG Wei-zhou, CHEN Gang, LI Si-zhong, CHEN Zhong-fu, HUANG Xi-cheng. On geometric shape of the specimen in impact tensile test[J]. Explosion And Shock Waves, 2008, 28(2): 149-153. doi: 10.11883/1001-1455(2008)02-0149-05

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On geometric shape of the specimen in impact tensile test

doi: 10.11883/1001-1455(2008)02-0149-05

1.
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2008-03-25

Abstract

Abstract

Effects of the length-to-diameter (L/D) ratios of specimens on the experimental results were studied by using a split Hopkinson tensile bar, rotating disk indirect bar-bar tensile impact apparatus. The length-to-diameter ratios of the LY12 specimens used in the test range from 1 to 5. Results show that the specimens of L/D2.67 can be used to obtain exact parameters of materials under the proposed conditions, but the specimens of L/D2 can not be used in impact tensile test.
- solid mechanics,
- length to diameter ratio,
- impact tensile,
- specimen,
- strain rate