焊管2025，Vol.48Issue(10)：24-27,4.DOI:10.19291/j.cnki.1001-3938.2025.10.004
X60钢级管线钢的超声振动多丝埋弧焊试验研究
Experimental Study on Ultrasonic Vibration Multi-wire Submerged Arc Welding of X60 Pipeline Steel
赵波 1赵相权 2邓军焕 1李涛 1李轶鹏 1陈小伟1
作者信息
- 1. 中国石油集团渤海石油装备制造有限公司,天津 300457
- 2. 天津理工大学 机械工程学院,天津 300384
- 折叠
摘要
Abstract
To investigate the influence of ultrasonic vibration on the weld in multi-wire submerged arc welding,ultrasonic vibrations were introduced during the welding process of X60 grade pipeline steel with a wall thickness of 14.3 mm.The microstructural morphology and low-temperature impact toughness of the weld were compared with and without the application of ultrasonic vibration.The results indicate that applying ultrasonic vibration during the welding process can promote the formation of acicular ferrite(AF)in the weld,increase the number of AF,and refine the grain size of the weld.Comparing the low-temperature impact toughness of vibration welding and non vibration welds,the average impact toughness of non vibration welds at-30℃and-40℃were 111 J and 88 J,respectively.The average impact toughness of welds without ultrasonic vibration at-30℃and-40℃were 141 J and 117 J,respectively,which were 30 J and 29 J higher than those without ultrasonic vibration.Therefore,it can be seen that vibration welding can significantly improve the low-temperature impact toughness of the weld.Comparing the tensile strength of welded joints with and without ultrasonic vibration,it was found that ultrasonic vibration welding had little effect on the tensile strength of welded joints.关键词
X60管线钢/多丝埋弧焊/超声振动/针状铁素体/冲击韧性Key words
X60 pipeline steel/multi-wire submerged arc welding/ultrasonic vibration/acicular ferrite/impact toughness分类
矿业与冶金引用本文复制引用
赵波,赵相权,邓军焕,李涛,李轶鹏,陈小伟..X60钢级管线钢的超声振动多丝埋弧焊试验研究[J].焊管,2025,48(10):24-27,4.
