摘要
介绍了GB/T 39638-2020《铸件X射线数字成像检测》国家标准制定过程,分别在标准范围、规范性引用文件、射线检测技术分级和补偿规则、检测技术、图像评定等方面详细论述了标准内容,分析了标准的技术特点,根据标准的内容指出了与相应的国外标准在技术水平上的差异,并介绍了应用范围。
The national standard formulation process of GB/T 39638—2020“X-ray digital radiographic testing for casting”is introduced.The contents of the standard are discussed in detail in terms of standard scope,normative reference documents,classification and compensation rules of radiographic testing technology,testing technology,image evaluation,etc.,and the technical characteristics of the standard are analyzed.According to the contents of the standard,the differences between the standard and the corresponding foreign standards in technical level are pointed out,and the application scope is introduced.
作者
李兴捷
朱智
于涵
孙春贵
董文博
LI Xing-jie;ZHUZhi;YU Han;SUNChun-gui;DONG Wen-bo(Shenyang Research Institute of Foundry Co.,Ltd.,State Key Laboratory of Light Alloy Casting Technology for High-End Equipment,Shenyang 110022,Liaoning,China)
出处
《铸造》
CAS
北大核心
2021年第7期876-879,共4页
Foundry
基金
机械科学研究总院集团有限公司重点基金(223220ZY01)
关键词
铸件
X射线数字成像检测
国家标准
解读
castings
X-ray digital radiographic testing
national standard
interpretation
