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

页码：886 / 889

页数：4

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