中美两国裂纹尖端张开位移测试方法标准的比较和评价

Comparsion and Appraisement of Test Method for Crack-Tip Opening Displacement(CTOD)of China-America

对我国ＧＢ２３５８一８０和美国ＡＳＴＭＥ１２９０一８９两个标准的主要部分进行了分析、比较和评价，这些讨论将有利于我国标准的修订和完善。

The main content of test Standard for crack-tip opening displacement(CTOD)of Cliina s GB2358一80 and America's ASTM E1290一89 are analysed,com-pared and appraised in this paper,These discusions are beneficial to revision and Per-fection of our country s standard.