摘要
介绍了工业数字射线照相提高钢焊缝中微小缺陷检测灵敏度的最新进展。通过采用微焦点或小焦点X射线源、高灵敏度探测器和设置最佳投影放大率,使像质计(IQI)的灵敏度、影像对比度和空间分辨率达到与常规ISOT3类射线胶片等价的效果。
For industrial digital radiography, a new progress in improving small-defect-detection sensitivity in steel welded joints was introduced. Using a micro or mini focus X-ray source, a highly-sensitive detector and an optimum value of project magnification, the equivalent result, rivaling conventional ISO T3-class film in IQI sensitivity, image contrast and space resolution, can be obtained.
出处
《无损检测》
北大核心
2007年第10期607-608,610,共3页
Nondestructive Testing
关键词
数字射线照相
灵敏度
分辨率
微焦点X射线源
探测器
投影放大率
Digital radiography
Sensitivity
Resolution
Micro-focus source of X-ray
Detector
Project magnification
