火电安装厚壁管道中间焊缝的射线检验  

Radiographic Testing of Middle Welded Joint of Thick Walled Pipeline During Thermal Power Installment

作　　者：余朝亮 

机构地区：[1]河南第一火电建设公司 焊接技术处,平顶山467031

出　　处：《无损检测》2010年第2期149-150,154,共3页Nondestructive Testing

摘　　要：火电厂厚壁管道的焊接质量关系到机组安全运行。介绍了焊缝中间射线检验时胶片紧贴焊缝和胶片紧贴管壁两种透照方式的工艺特点。分析了不同布片方式对射线照相质量的影响。通过对比试验,验证了不同透照方式对缺陷检出的影响效果。The welding quality of thick-walled pipeline of thermoelectric power station is related with the unit safe operation. The author introduced the technology characteristic of two kind of radiographic testing of middle welded joint, and so on with the film being located directly close to the weld or close to the tube wall respectively, and analyzed their effect on the testing quality. Through the contrast experiment, the paper showed the flaw detecting ability of the two methods.

关 键 词：射线检测 厚壁管 焊缝 布片方式 

分 类 号：TG115.28[金属学及工艺—物理冶金]