镀锡原板耐蚀性差异研究
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摘要
通过酸洗失重、酸洗时滞、腐蚀极化曲线和交流阻抗等方法研究了两种镀锡原板的耐蚀性能,并通过XRF、XRD以及金相分析等手段分析了引起两种原板耐蚀性差异的原因。结果显示:镀锡原板耐蚀性差异与其表面物质有关,润滑乳化液增加了脱脂前后原板B的耐蚀性差异。脱脂后原板B与原板A的表面元素种类、含量及其晶面织构和择优取向差异不明显,两者耐蚀性差异主要与其轧后原板表面晶粒尺寸的均匀性相关。
Corrosion resistance of two kinds of tinning black plates was evaluated by using picking weight loss,pickling delay time test,corrosion polarization curve and AC impedance analysis,etc.The causes for the difference in corrosion resistance of the two kinds of black plates were analyzed by means of XRF,XRD and metallographic analysis,etc.The results showed that the difference in corrosion resistance of tinning black plates was related to its surface substrates,i.e.the diffetence in corrosion resistance of black plate B before and after degreasing became even greater dueto lubricating emulsion.Moreover,there was no obvious difference in the type,content of the surface elements,texture and preferred orientation between the black plates B and A after degreasing.The difference in corrosion resistance was mainly related to the uniformity of grain size on the surface of black plate after rolling.
Corrosion resistance of two kinds of tinning black plates was evaluated by using picking weight loss,pickling delay time test,corrosion polarization curve and AC impedance analysis,etc.The causes for the difference in corrosion resistance of the two kinds of black plates were analyzed by means of XRF,XRD and metallographic analysis,etc.The results showed that the difference in corrosion resistance of tinning black plates was related to its surface substrates,i.e.the diffetence in corrosion resistance of black plate B before and after degreasing became even greater dueto lubricating emulsion.Moreover,there was no obvious difference in the type,content of the surface elements,texture and preferred orientation between the black plates B and A after degreasing.The difference in corrosion resistance was mainly related to the uniformity of grain size on the surface of black plate after rolling.
引文
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[2]李秀军.二次冷轧技术应用研究[J].宝钢技术,2006(S1):61-63.
[3]国际锡研究所.镀锡板指南[M].周其良,译.北京:冶金工业出版社,1989.
[4]LEGAULT R A.The protection of flat-rolled steel products from corrosion in storage and transit[J].Corrosion,1983,83:18-22.
[5]张青树,李秀军,武利好,等.梅钢1420平整机组湿平整过程喷淋流场的计算[J].机械工程与自动化,2012(4):55-57.
[6]耿晓琳,田孜强.冷轧钢板干湿平整工艺的研究[J].一重技术,2011(3):14-17.
[7]MAZUR V L.Temper rolling of sheet steel[J].Steel in Translation,2012,42(4):348-352.
[8]白振华,司红鑫,周庆田,等.二次冷轧过程工艺润滑制度综合优化技术的研究[J].钢铁,2011,46(6):60-62.
[9]李辉.宝钢1220双机架二次冷轧机组的自动厚度控制系统分析[J].宝钢技术,2006(S1):68-71.
[10]瞿培磊,李秀军,王康健.轧制润滑对二次冷轧生产及产品表面形貌的影响[J].上海金属,2015,37(1):52-57.
[11]周庚瑞,唐杰,潘红良,等.二次冷轧镀锡板的表面状态与耐蚀性能[J].腐蚀与防护,2011,32(8):652-654.
[12]包信方.原板粗糙度对镀锡板耐蚀性的影响[J].材料保护,2014,47(2):5-7.
[13]黄兴桥,李宁,黎德育.原板结晶取向对镀锡板耐蚀性的影响[J].材料保护,2004,37(9):5-8.
[14]黄久贵,李宁,蒋丽敏,等.镀锡板基板结晶取向与合金层形貌及ATC值的关系[J].上海金属,2004,26(2):5-8.
[15]全国钢标准化技术委员会.电镀锡钢板耐腐蚀性试验方法:GB/T 22316-2008[S].北京:中国标准出版社,2008.
[16]黄兴桥,韩家军,李宁,等.原板酸洗失重性能对镀锡板耐蚀性的影响[J].电镀与环保,2004,24(4):7-9.
[17]胡会利,李宁.电化学测量[M].北京:国防工业出版社,2011.
[18]BHATTACHARYA S K,KOHYAMA M,TANAKA S,et al.Si segregation at Fe grain boundaries analyzed by ab initio local energy and local stress[J].Journal of Physics:Condensed Matter,2014,26(35):355005.
[19]田永奎.金属腐蚀与防护[M].北京:机械工业出版社,1995.
[20]MOUANGA M,RICQ L,DOUGLADE G,et al.Influence of coumarin on zinc electrodeposition[J].Surface and Coatings Technology,2006,201(3/4):762-767.