对ASTM E1742—2008标准射线照相质量级别规定的讨论
A Discussion on the Radiographic Quality Levels Specified in ASTM E1742—2008
摘 要
基于射线照相基本理论, 对ASTM E1742—2008标准关于射线照相质量级别的规定进行了分析讨论, 并与ISO标准的规定进行了比较。结果指出, ASTM E1742—2008标准基于ASTM E1025标准规定的射线照相质量级别, 每个级别本身对各厚度并不是等价的, 与工业射线照相技术也不构成一个协调的系统。
标准
灵敏度
质量级别
Radiography
Standard
Sensitivity
Quality level
Abstract
On the basis of the fundamental theory of radiography, a discussion was made about the radiographic quality levels specified in ASTM E1742—2008. The comparison was made of the image quality requirements specified by ASTM E1742 and ISO 19232-3. The results showed that the specified requirements based on ASTM E1025 for radiographic quality levels equivalent could not be suited to all specimen thicknesses. The analysis revealed that the specified requirements in ASTM E1742—2008 were not compatible with the technical system of industrial radiography.
中图分类号 TG115.28
所属栏目 标准化
基金项目
收稿日期 2009/2/5
修改稿日期
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备注郑世才(1941-), 男, 研究员, 长期从事常规射线、超声、磁粉、渗透检测工作, 特别注意研究了射线检测技术理论和技术发展。
引用该论文: ZHENG Shi-Cai. A Discussion on the Radiographic Quality Levels Specified in ASTM E1742—2008[J]. Nondestructive Testing, 2009, 31(9): 731～737
郑世才. 对ASTM E1742—2008标准射线照相质量级别规定的讨论[J]. 无损检测, 2009, 31(9): 731～737
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参考文献
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【2】Criscuolo E L. Correlation of radiographic penetrameters[J]. Materials research & standards,1963,3(6):465-471.
【3】(日)石井勇五郎著.无损检测学[M].吴义,等译.北京: 机械工业出版社,1986:249.
【4】Halmshaw R. Industrial Radiology: Theory and Practice [M]. New Jersey:Applied Science Publishers LTD,1982.
【5】Dolle H, Lemmer K. Comparison of codes and standards for radiographic inspection and experimental and theoretical studies on unsharpness and sensitivity requirements[J]. Materials evaluation,1985,43(2):188-195.
【2】Criscuolo E L. Correlation of radiographic penetrameters[J]. Materials research & standards,1963,3(6):465-471.
【3】(日)石井勇五郎著.无损检测学[M].吴义,等译.北京: 机械工业出版社,1986:249.
【4】Halmshaw R. Industrial Radiology: Theory and Practice [M]. New Jersey:Applied Science Publishers LTD,1982.
【5】Dolle H, Lemmer K. Comparison of codes and standards for radiographic inspection and experimental and theoretical studies on unsharpness and sensitivity requirements[J]. Materials evaluation,1985,43(2):188-195.
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