CAJ | 학술논문

目的：研究海洋用钢焊接接头的海水腐蚀行为。方法采用海水暴露试验、电偶腐蚀试验和腐蚀电位测量等方法。结果获得了5种海洋用钢焊接接头的海水腐蚀结果。结论海洋用钢焊接接头的熔合区易产生腐蚀沟槽。在全浸区、潮差区和飞溅区条件下，同一焊接接头的腐蚀行为相同，焊接接头的腐蚀严重程度顺序为全浸区>潮差区>飞溅区。焊缝-母材的电偶腐蚀试验结果与焊接接头的暴露腐蚀结果一致。
목적：연구해양용강한접접두적해수부식행위。방법채용해수폭로시험、전우부식시험화부식전위측량등방법。결과획득료5충해양용강한접접두적해수부식결과。결론해양용강한접접두적용합구역산생부식구조。재전침구、조차구화비천구조건하，동일한접접두적부식행위상동，한접접두적부식엄중정도순서위전침구>조차구>비천구。한봉-모재적전우부식시험결과여한접접두적폭로부식결과일치。
Objective To investigate the seawater corrosion behavior of welding joints of steels for marine application. Methods The methods including exposure tests, galvanic corrosion tests and potential measurements were carried out for the study. Results Seawater corrosion results of welding joints of steels for marine application were obtained. Conclusion Corrosion grooves were easily occurred in the fusion zone of welding joints. Corrosion behavior of certain welding joint of the steels is same among full immersion zone, tidal zone and splash zone; the order of localized corrosion degree of is full immersion zone>tidal zone>splash zone. Results of galvanic corrosion tests of weld metal-base metal are consistent well to the exposure tests of the welding joints in seawater.