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| 钢轨气压焊接头的超声相控阵检测技术研究 | |
| 引用本文： | 卢超,邓丹,陈文生,胡婷萍,门平.钢轨气压焊接头的超声相控阵检测技术研究[J].失效分析与预防,2011,6(3):139-143. |
| 作者姓名： | 卢超 邓丹 陈文生 胡婷萍 门平 |
| 作者单位： | 1. 无损检测技术教育部重点实验室(南昌航空大学),南昌,330063 2. 汕头市超声仪器研究所有限公司,广东汕头,515041 3. 无损检测技术教育部重点实验室(南昌航空大学),南昌330063;中国人民解放军海军92601部队,广东湛江524009 |
| 基金项目： | 国家自然科学基金(10964008) |
| 摘 要： | 常规超声脉冲反射法检测钢轨气压焊接头时,需要更换不同K值探头检测钢轨气压焊接头的不同区域,探伤过程耗时长,效率低。超声相控阵技术可以灵活调节扫描角度,能有效提高检测效率。主要采用超声相控阵方法对钢轨气压焊焊缝进行探伤效果分析研究,实验中采用CTS-602型相控阵仪器、含机械加工缺陷的钢轨气压焊焊缝试样,通过确定合理的实验参数和检测方案,进行超声相控阵探伤检测。实验结果表明超声相控阵对气压焊接头检测效果好,检测效率高。 |
| 关 键 词： | 钢轨 气压焊 相控阵 扇扫和线扫 超声探伤 |
Research on Ultrasonic Phased Array Detecting Technique for Gas Pressure Welding Joint of Rail |
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| LU Chao,DENG Dan,CHEN Wen-sheng,HU Ting-ping,MEN Ping.Research on Ultrasonic Phased Array Detecting Technique for Gas Pressure Welding Joint of Rail[J].Failure Analysis and Prevention,2011,6(3):139-143. | |
| Authors: | LU Chao DENG Dan CHEN Wen-sheng HU Ting-ping MEN Ping |
| Affiliation: | LU Chao1,DENG Dan1,CHEN Wen-sheng1,HU Ting-ping2,MEN Ping1,3(1.Key Lab of Nondestructive Testing(Nanchang Hangkong University),Ministry of Education,Nanchang 330063,China,2.Shantou Institute of Ultrasonic Instruments Co.,Ltd,Guangdong Shantou 515041,3.92601 Troops of People's Liberation Army Navy,Guangdong Zhanjiang 524009,China) |
| Abstract: | Compared with the conventional ultrasonic pulse reflection detecting technique,the ultrasonic phased array detecting technique can flexibly adjust the scanning angle,and thus has higher testing efficiency.By using the phased array instrument CTS-602 and rail welding joint samples with artificial defects,the ultrasonic phased array detecting technique for gas pressure welding joint of rail was studied,and the detecting results were analyzed.The results show that the ultrasonic phased array detecting techniqu... |
| Keywords: | rail gas pressure welding ultrasonic phased array sector scan and linear scan ultrasonic inspection |
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