平板X射线成像技术在螺旋埋弧焊管检测中的应用  

Application of X-ray Plate Panel Imaging Technology in the Detection of SAWH Pipe

作　　者：吴金辉 梁根选[2] 王树人 王建华 

机构地区：[1]中国石油集团石油管工程技术研究院,西安710065 [2]宝鸡石油钢管有限责任公司,陕西宝鸡721008 [3]辽阳石油钢管厂,辽宁辽阳111000 [4]烟台华科检测设备有限公司,山东烟台264117

出　　处：《焊管》2011年第4期29-31,共3页Welded Pipe and Tube

摘　　要：介绍了平板X射线成像技术的工作原理及其在螺旋埋弧焊管检测中的应用,总结出其具有检测灵敏度高、使用寿命长、不受磁场干扰、占用场地小、辐射剂量小等优点,分析了平板X射线成像技术在缺陷尺寸定量分析方面的应用前景,指出该技术用在焊缝动态成像检测时,需要满足每秒生成25～30帧图像的要求,这就要求要有足够高的时间分辨率及足够小的滞后特性,否则将出现"拖尾"现象。This paper introduced the working theory of X-ray plate panel imaging technology and its application in the flaw detection of SAWH pipe.Some advantages of this technology were summarized,such as high sensitivity,long service life,uninterrupted by magnetic field,small space occupation and small doses of radiation.The application prospect of X-ray plate panel imaging technology in quantitatively detecting flaw size was also analyzed,and pointed out that it should meet the requirement of forming 25~30 pictures per second during weld dynamic imaging,this requires high enough time resolution and little enough hysteretic nature,otherwise ＂tailing＂ phenomena will appear.

关 键 词：平板X射线成像 螺旋埋弧焊管 缺陷尺寸定量分析 

分 类 号：TG115.281[金属学及工艺—物理冶金]