Standard No.:	GB/T 25758.2-2010
English Name:	Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 2: Pinhole camera radiographic method
Chinese Name:	无损检测 工业X射线系统焦点特性 第2部分：针孔照相机射线照相方法
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2010-12-23
Implemented on:	2011-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

GB/T25758的本部分规定了采用针孔照相机射线照相方法,来测量管电压最高至500kV 的工业X射线系统的大于0.2mm 焦点尺寸的方法。本部分中测量所用的电压限于200kV。
X射线图像的像质和分辨力很大程度上取决于焦点的特性,尤其是尺寸和二维强度分布。
商用X射线管类型(例如在广告或贸易中)的特性,宜首先考虑附录A 所给出的最大值。