钢轨铝热焊轨底角部位伤损波形分析及校对方法  

Ultrasonic Testing Analysis and Verifying of Aluminothermic Welds Defects in Rail Bottom Corner

作　　者：张信国 ZHANG Xinguo(Xinchang Track Division,China Railway Shanghai Group Co.,Ltd.,Nantong Jiangsu 226600,China)

机构地区：[1]中国铁路上海局集团有限公司新长工务段,江苏南通226600

出　　处：《高速铁路新材料》2024年第5期74-77,共4页Advanced Materials of High Speed Railway

摘　　要：钢轨铝热焊轨底角部位的超声探伤较为复杂,通过研究典型伤损波形,结合金相分析,总结了一套对钢轨铝热焊轨底角部位伤损检测分析及校对的方法,可以更准确、快速地发现钢轨铝热焊轨底角部位的内部伤损,以消除设备隐患,确保行车安全。The ultrasonic inspection of the aluminothermic welds in rail bottom corner is relatively complex.By analyzing typical defect waveforms and combining them with metallographic analysis,a set of methods has been developed for detecting,analyzing,and verifying the aluminothermic welds defects in rail bottom corner,in order to identify internal defects and eliminate equipment hazards more accurately and quickly,ensuring operation safety.

关 键 词：无损检测 超声波探伤 钢轨缺陷 铝热焊 夹渣 

分 类 号：U213.43[交通运输工程—道路与铁道工程]