超声无损检测技术及其在船舶焊接中的应用研究  

Research on ultrasonic non-destructive-testing and its application in ship welding

作　　者：金富日 JIN Furi

机构地区：[1]大连中远海运重工有限公司,辽宁大连116113

出　　处：《中国修船》2024年第S01期28-31,共4页China Shiprepair

摘　　要：焊接质量对于船舶结构强度有非常重要的影响,提高船舶焊接的超声无损检测精度有助于快速检测,提高船舶制造的焊接质量。文章采用傅里叶变化对超声回波信号进行处理后,通过对超声回波频域信号的分析,实现焊接工件的精准质量评价,有效提高船舶制造焊接质量的检测精度,有助于减少因船舶焊接缺陷所造成的损失。Welding quality has a central influence on the strength of ship structure.Improving the precision of ultrasonic non-destructive testing can improve the welding quality of ship manufacturing.This paper processed the ultrasonic echo signal by Fourier transform,analyzed the frequency domain signal of ultrasonic echo to achieve accu-rate quality evaluation of welding parts,effectively improved the detection accuracy of welding quality,and helped reduce the loss caused by welding defects.

关 键 词：超声无损检测 船舶焊接 焊接质量 

分 类 号：U672[交通运输工程—船舶及航道工程]