工业数字RT最新国际标准解读Ⅲ:参数选用和测评  

A Review of Recent International Standard of Industrial Digital Radiography Part Ⅲ:Selection and Determination of Basic Parameters

作　　者：李衍[1] 

机构地区：[1]无锡市锅炉压力容器学会无损检测专委会,江苏无锡214026

出　　处：《无损探伤》2017年第3期23-31,共9页Nondestructive Testing Technology

摘　　要：解读工业数字射线成像用于焊接接头检测的最新国际标准ISO 17636(2):2013。强调高端数字RT的推行应以达到与常规胶片RT的等价性为前提。概述CR(计算机射线照相)与DDA(数字探测器阵列)两种数字RT法应用技能和特性评价及质量评定要领。意在为国内承压设备积极推行作为新常规的数字RT技术及完善相关行业标准,送及时雨。全文共分三部分:(1)总则;(2)检测技术:(3)参数选用和测评。本文为第三部分。A recent international standard of industrial digital radiography ISO 17636（2）：2013 is reviewed.It is emphasized that the high-end digital radiography and the conventional film radiography shall achieve equivalence property as a base,outling application skills and evaluation essentials of performance and image quality for the two digital radiographic techniques：CR and DDA.The intention is to provide a useful reference to implement digital RT technologies as novel ones in the pressure-bearing equipment industry and improve the relevant industry standards.The full text is composed of three parts：（1）General rules and summary;（2）Inspection techniques;（3）Selection and determination of basic parameters.This is the third section.

关 键 词：数字RT CR(计算机射线照相) DDA(数字探测器阵列) 等价性 

分 类 号：TG115.28[金属学及工艺—物理冶金]