| X射线数字成像技术在埋弧焊管焊缝检测中的应用 |
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| 引用本文： | 毕宗岳,王化公,石文汇,樊东海.X射线数字成像技术在埋弧焊管焊缝检测中的应用[J].无损检测,2010(4):263-266. |
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| 作者姓名： | 毕宗岳 王化公 石文汇 樊东海 |
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| 作者单位： | 西安理工大学材料工程学院;兰州三磊电子有限公司;宝鸡钢管公司焊管研究所; |
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| 摘 要： | 针对目前埋弧焊管焊缝X射线胶片法检测时存在效率低、成本高、污染环境以及图像增强器实时成像法存在灵敏度低等缺点,研究开发了X射线数字成像技术。该技术采用线性CCD电荷耦合器,实现了X射线的接收和图像转换,通过后续图像处理可使检测相对灵敏度达到或超过胶片法,并优于图像增强器实时成像法。经过现场使用效果良好,静态相对灵敏度可达1.3%,满足API 5L和ISO 3183管线钢管标准对射线检测的要求,具有较好的推广和应用价值。
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| 关 键 词： | X射线检测 数字成像 埋弧焊缝 |
Application of X-Ray Digital Imaging Technology in NDT for Submerged Arc Welded Pipe |
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| BI Zhong-Yue,WANG Hua-Gong,SHI Wen-Hui,FAN Dong-Hai.Application of X-Ray Digital Imaging Technology in NDT for Submerged Arc Welded Pipe[J].Nondestructive Testing,2010(4):263-266. |
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| Authors: | BI Zhong-Yue WANG Hua-Gong SHI Wen-Hui FAN Dong-Hai |
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| Affiliation: | BI Zhong-Yue~(1,2),WANG Hua-Gong~3,SHI Wen-Hui~2,FAN Dong-Hai~2 (1.School of Material Science & Engineering of Xi\'an University of Technology,Xi\'an 710048,China,2.Lanzhou San Lei Electronics Co Ltd,Lanzhou 730000,3.Welded Pipe Research Institute of Baoji Petroleum Steel Pipe Co Ltd,Baoji 721008,China) |
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| Abstract: | The X-ray Digital Technology was developed,aiming to overcome the shortcoming of low efficiency, high cost and environmental pollution for film detection method,and poor sensitivity for image intensifier real time imaging method existing in the present X-ray inspection for the weld seam of Submerged Arc Welded Pipes.The technology used a linear CCD,and realized the X-ray reception and image inversion,and through the following up treatment,the detection sensitivity reached or exceeded the level of film detec... |
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| Keywords: | Radiographic testing Digital imaging Submerged arc weld seam |
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