摆锤式冲击试验机的ASTM鉴定方法
ASTM APPRAISAL METHOD OF CHARPY PENDULUM IMPACT MACHINE
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摘要: 介绍了摆锤式冲击试验机的ASTM直接鉴定和间接鉴定方法。指出了直接鉴定部件的鉴定项目和要求,间接鉴定所用标准试样的制作要求、能量范围和鉴定结果的允许误差等。依据标准直接鉴定和间接鉴定均合格,则该试验机合格。Abstract: Basic principle and procedure in standard ASTM E23-2007“Standard Test Methods for Notched Bar Impact Testing of Metallic Materials” were described. Appraisal for pendulum impact machine including direct appraisal and indirect appraisal was introduced,and parts of direct appraisal and requirements of standard specimens for indirect appraisal were given. When both of the two parts were acceptable,the Charpy impact machine was acceptable.