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Effect of temperature on parabolic markings in poly(methyl methacrylate)

 

作者: R. Ravetti,  

 

期刊: Journal of Macromolecular Science, Part B  (Taylor Available online 1977)
卷期: Volume 13, issue 1  

页码: 59-65

 

ISSN:0022-2348

 

年代: 1977

 

DOI:10.1080/00222347708208753

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Parabola density and radius is shown to decrease as the testing temperature increases. Furthermore, both the density and radius of the parabolas depend on their position on the fracture surface: their magnitude decreases as the distance from the notch increases. Finally, a criterion for parabola formation based on two mechanisms, plastic flow activation and craze initiation, is discussed.

 

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