吴长军,范赛林,苏旭平,袁冲,王建华,涂浩

• 1:江苏省材料表面科学与技术重点实验室常州大学材料科学与工程学院
• 2:江苏国强镀锌实业股份有限公司

摘要(Abstract)：

将Q235钢在450℃的Zn-Ni-Ti合金中热浸镀0.5~5 min,研究了锌池中添加0.03%~0.06%Ni和0.02%~0.04%Ti对含硅结构钢热浸镀锌层组织的影响。并通过电化学方法测试了Zn-Ni-Ti合金及其镀层在10%Na Cl溶液中的耐蚀性。研究发现,锌池中同时添加0.03%~0.05%Ni和0.02%~0.03%Ti可有效抑制Q235钢热浸镀锌时的硅反应性,合金层厚度明显减薄,其生长主要受扩散控制。而且不会形成大量的三元化合物渣滓。实验证实,添加微量Ni和Ti后,提高了锌合金及其镀层的耐蚀性。但当添加0.05%Ni+0.04%Ti时,镀层表面质量下降,还会形成较多的溶解了约1.0%Ni的Zn-Fe-Ti三元化合物。

关键词(KeyWords)： 热浸镀锌;硅反应性;合金元素;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51271040,51201023);; 江苏高校优势学科建设工程资助项目;; 溧阳市科技计划项目(ly2012PT01)

作者(Author): 吴长军,范赛林,苏旭平,袁冲,王建华,涂浩

DOI: 10.13289/j.issn.1009-6264.2015.09.027

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