Application of modified split Hopkinson pressure bar techanique in the study of dynamic behavior of a polyurethane foam

JIANG Xi-quan; TAO Jie; WANG Yu-zhi

doi:10.11883/1001-1455(2007)04-0358-06

Volume 27 Issue 4

Oct. 2014

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Article Navigation > Explosion And Shock Waves > 2007 > 27(4): 358-363

JIANG Xi-quan, TAO Jie, WANG Yu-zhi. Application of modified split Hopkinson pressure bar techanique in the study of dynamic behavior of a polyurethane foam[J]. Explosion And Shock Waves, 2007, 27(4): 358-363. doi: 10.11883/1001-1455(2007)04-0358-06

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JIANG Xi-quan, TAO Jie, WANG Yu-zhi. Application of modified split Hopkinson pressure bar techanique in the study of dynamic behavior of a polyurethane foam[J]. Explosion And Shock Waves, 2007, 27(4): 358-363. doi: 10.11883/1001-1455(2007)04-0358-06

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Application of modified split Hopkinson pressure bar techanique in the study of dynamic behavior of a polyurethane foam

doi: 10.11883/1001-1455(2007)04-0358-06

1.
Artillery Academy, Hefei 510632, Anhui, China;
2.
University of Science and Technology of China, Hefei 230026, Anhui, China

Publish Date: 2007-07-25

Abstract

Abstract

The experimental technique of split Hopkinson pressure bar is an effective method to carry out an experiment in study of the dynamic behavior of materials. But some problems such as non-uniform dynamic stress in a specimen and non-constant strain rate during the experiment may arise if the technique isnt modified. Polyurethane foams have been widely used in civilian and military areas. It is more important to study their mechanical behavior, especially, dynamic behavior. The dynamic behaviors of a polyurethane foam under the conditions of uniform stress in the specimen and constant strain rate were detained experimentally with modified spilt Hopkinson pressure bar technique.
- solid machanics,
- dynamic behavior,
- SHPB,
- polyurethane foam,
- uniform dynamic stress,
- pulse shaper,
- constant strain rate

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