The fracture energy of materials under pulse microsecond-scale loading

被引：13
|
作者：
Gruzdkov, AA [1 ]
Krivosheev, SI [1 ]
Petrov, YV [1 ]
机构：
[1] St Petersburg State Univ, Dinamika Res Ctr, Petrodvorets 198504, Russia
来源：
PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 05期
关键词：
Spectroscopy; State Physics; Surface Energy; Methacrylate; Polymethyl Methacrylate;
D O I：
10.1134/1.1575328
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Based on the results of fracture in polymethyl methacrylate and a spheroplastic using a magnetic-pulse setup, the specific work of the formation of a new surface is estimated, which is similar to Griffith's surface energy for quasi-static tests. The value obtained is greater than the corresponding value determined from the quasi-static tests by an order of magnitude and tends to increase as the loading time decreases. (C) 2003 MAIK "Nauka/Interperiodica".
引用
收藏
页码：886 / 889
页数：4
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