The Phenomena of Tensile Acoustic Emission of PS,POM,ABS and PC

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (6): 987.

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The Phenomena of Tensile Acoustic Emission of PS,POM,ABS and PC

ZU Ziao-Tao, WU Ji-Hong, LIU Min-Zhi

Department of Physics, Sichun Union University, Chengdu, 610064

Received:1995-05-31 Online:1996-06-24 Published:1996-06-24

Abstract

Abstract: The tensile acoustic emission(AE) phenomena of PS,POM,ABSand PCwere studied.It was found that AEsignals are mainly produced before yielding and during fracture.That illustrated the production of AEsignals of polymers is mainly due to the unbinding of the molecular chains,the slip of crystalline,the subcritical crack propagation and the fracture of molecular chains.Crazing in a large scale may be a source of AEsignals,The tensile strain rate,plastics'construct and the different yielding processes have great influence on the law of tensile acoustic emission of plastics

Key words: Tensile, Acoustic emission, Strain rate

TrendMD:

ZU Ziao-Tao, WU Ji-Hong, LIU Min-Zhi. The Phenomena of Tensile Acoustic Emission of PS,POM,ABS and PC[J]. Chem. J. Chinese Universities, 1996, 17(6): 987.

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The Phenomena of Tensile Acoustic Emission of PS,POM,ABS and PC

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