[1]高心心,梁晓明*,刘保成,等.新型异种钢接头组织和耐腐蚀性能研究[J].电镀与精饰,2019,(9):13-17.[doi:10.3969/j.issn.1001-3849.2019.09.003]
　GAO Xinxin,LIANG Xiaoming*,LIU Baocheng,et al.Microstructure and Corrosion Resistance of New Dissimilar Steel Welded Joint[J].Plating & Finishing,2019,(9):13-17.[doi:10.3969/j.issn.1001-3849.2019.09.003]
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新型异种钢接头组织和耐腐蚀性能研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2019年9
页码:
13-17
栏目:
出版日期:
2019-09-15

文章信息/Info

Title:
Microstructure and Corrosion Resistance of New Dissimilar Steel Welded Joint
作者:
高心心; 梁晓明*; 刘保成; 刘 雨; 于立华
青岛科技大学，山东潍坊261500
Author(s):
GAO Xinxin;  LIANG Xiaoming*;  LIU Baocheng;  LIU Yu;  YU Lihua
Qingdao University of Science and Technology, Weifang 261500, China
关键词:
异种钢焊接接头; 显微组织; 伏打电位; 耐腐蚀性
Keywords:
dissimilar steel welded joint;  microstructures;  volt potential;  corrosion resistance
DOI:
10.3969/j.issn.1001-3849.2019.09.003
文献标志码:
A
摘要:
采用金相实验、电化学实验和全浸腐蚀实验研究了异种高强钢焊接接头的显微组织特性以及腐蚀行为，并利用SEM对腐蚀后的形貌进行观察。结果表明，焊接接头靠近低强度一侧母材的热影响区伏打电位最负、更易失去电子，自腐蚀电位最负、析氢电位最正，容易发生腐蚀和析氢反应。全浸腐蚀实验结果表明，焊接接头的母材区最耐蚀，两侧的热影响区腐蚀最严重，有大量的腐蚀坑，可见由于此区域组织粗大、夹杂物和缺陷多造成的。
Abstract:
The microstructure and corrosion behavior of dissimilar high-strength steel welded joint were studied by metallographic test, electrochemical test and immersion corrosion test. The morphology of the corrosion was analyzed by SEM. The results show that the volt potential is the most negative and more easily lose electrons in the heat affected zone (HAZ) of base metal near the side of low strength steel in welded joint, and the corrosion potential is the most negative.The hydrogen evolution potential is the most positive, and the corrosion and hydrogen evolution reaction are easy to occur. The results of full immersion corrosion test show that the parent material area of the welded joint has the best corrosion resistance. The most serious corrosion is found in the HAZ on both sides. A large number of corrosion pits, which are caused by the coarse structure, inclusions and defects, can be observed in this zone.

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备注/Memo

备注/Memo:
收稿日期： 2019-04-01；修回日期： 2019-04-22
通信作者： 梁晓明，email：398386555@qq.com
基金项目： 山东省重点研发计划（2018GNC112007），山东省高校科研计划项目（J18KA015）
更新日期/Last Update: 2019-09-10