Dynamic behavior of gamma-irradiated polycarbonate

被引：0

作者：

Weber, Ricardo Ponde ^{[1
]}

Vecchio, Keneth S. ^{[2
]}

Miguez Suarez, Joao Carlos ^{[1
]}

机构：

[1] Inst Mil Engn, Dept Engn Mecan & Mat, Rio De Janeiro, Brazil

[2] Univ Calif San Diego, Dept Mech & Aerosp Engn, San Diego, CA 92103 USA

来源：

MATERIA-RIO DE JANEIRO | 2010年 / 15卷 / 02期

关键词：

polycarbonate; gamma irradiation; degradation; dynamic behavior; split Hopkinson pressure bar; MECHANICAL-BEHAVIOR; STRAIN-RATE; TEMPERATURE; POLYMERS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of the present work was to establish the relationship between dynamic behavior of Bisphenol A polycarbonate (BAPC) and degradation by gamma irradiation. The BAPC was exposed to 340 kGy dose and the molecular weight was evaluated by Size Exclusion Chromatography (SEC). A modified split Hopkinson pressure bar was used to measure stress-strain dynamic relations. The results showed little change in the dynamic behavior of irradiated BAPC in the highest strain rate used in this work, in spite of the high decrease in the molecular weight of irradiated BAPC. The lowest strain rate used in this work produced the highest change in the dynamic behavior of irradiated BAPC.

引用

页码：223 / 230

页数：8

共 50 条

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