夏比摆锤冲击试验测定吸收能量的不确定度评定

  • 打印
  • 收藏
收藏成功


打开文本图片集

摘要:文中通过对DH36高强度船舶及海洋工程用结构钢冲击试验检测结果的不确定度进行分析,对引入不确定度的各分量进行计算和合成。根据评定结果,分析影响合成不确定度的主要因素,并提出相应的措施和建议来提高检测的准确性。

关键词:不确定度评定;夏比摆锤冲击试验

Evaluation of Uncertainty in Measuring Absorbed Energy of Charpy Pendulum Impact Test

JIE Hui-Jing

(Xiamen Products Quality Supervision & Inspection Institute, Xiamen 361004, Fujian, China)

Abstract: According to the analysis of uncertainty in DH36 (ship and ocean engineering structural steel) impact test, this paper calculates and combines every uncertainty portion. Through the result of evaluation, this paper analyzes the main factor affecting combined uncertainty, and proposes effective measurement and suggestion to improve testing accuracy.

Key Words: Evaluation of uncertainty; Charpy pendulum impact test

1引言

近年来,各个行业对检测结果的可靠性要求越来越高。(剩余4256字)

monitor