[1]孙咸.基于工程应用的海洋结构用A517Q和A514Q钢焊接材料选用原则探讨[J].焊管,2023,46(10):32-42.[doi:10.19291/j.cnki.1001-3938.2023.10.006]
 SUN Xian.Discussion on Selection Principle of Welding Consumables of A517Q and A514Q Steels for Offshore Structures based on Engineering Application[J].,2023,46(10):32-42.[doi:10.19291/j.cnki.1001-3938.2023.10.006]
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基于工程应用的海洋结构用A517Q和A514Q钢焊接材料选用原则探讨()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第10期
页码:
32-42
栏目:
综述
出版日期:
2023-10-19

文章信息/Info

Title:
Discussion on Selection Principle of Welding Consumables of A517Q and A514Q Steels for Offshore Structures based on Engineering Application
文章编号:
10.19291/j.cnki.1001-3938.2023.10.006
作者:
孙咸
太原理工大学焊接材料研究所,太原 030024
Author(s):
SUN Xian
Institute of Welding Consumables, Taiyuan University of Technology, Taiyuan 030024, China
关键词:
焊接材料A517Q和A514Q钢冷裂纹低强匹配超低氢
Keywords:
welding consumables A517Q and A514Q steel cold cracking low strength matching ultra?ow hydrogen
分类号:
TG422
DOI:
10.19291/j.cnki.1001-3938.2023.10.006
文献标志码:
A
摘要:
探讨了工程应用中A517Q和A514Q钢焊接材料的选用原则。结果表明,A517Q和A514Q钢焊接性的主要问题是接头的冷裂纹敏感性。在工程条件下该钢使用的焊接材料首推低强匹配方式,“焊缝低氢化工艺”可以明显改善钢的焊接性。该类钢焊接材料的成功应用中,焊接材料自身的高强、高韧性和超低氢化是必要条件,而焊接方法和工艺因素的低氢化则是充分条件。工程上实用的工艺方法和典型焊接材料各具特色,采用FCAW打底焊+各种方法填充焊的工艺优势明显。
Abstract:
The selection principle of welding consumables for A517Q and A514Q steels in engineering application was discussed. The results show that the main problem of the weldability for these steels is the cold crack sensitivity of the joint. Under engineering conditions, low strength matching is the first choice for welding consumables used these steels, and "low hydrogenation process of weld metal" can obviously improve the weldability of steel. In the successful application of welding consumables for these steels,the high strength, high toughness and ultra?ow hydrogenation of the welding consumables themselves are necessary conditions, while the low hydrogenation of welding methods and process factors are sufficient conditions. Engineering practical processes and typical welding consumables have their own characteristics, and the process advantages of using FCAW backing weld + various filling methods are obvious.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-04-06作者简介:孙咸,男,教授,主要从事焊接材料及金属焊接性方面的研究和教学工作,对焊接材料软件开发具有丰富经验;获国家科技进步二等奖1项(2000年),省(部)级科技进步一等奖2项,二等奖3项,1992年获国务院颁发的政府特殊津贴,已发表学术论文200余篇。
更新日期/Last Update: 2023-10-26