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离子镀奥氏体Fe-Mn基合金表面改性层耐蚀性研究

Study of Corrosion Resistance of Fe-Mn Base Alloys Surface Modified by Ion Plating with 1Cr18Ni9Ti Stainless Steel
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摘要 在奥氏体Fe-Mn基合金表面离子镀1Cr18N i9Ti不锈钢薄膜,改性后的Fe-Mn基合金在1 mol/L Na2SO4溶液中的耐均匀腐蚀性能和在1%NaC l溶液中的抗点蚀能力均明显优于未改性Fe-Mn基合金,甚至略优于1Cr18N i9Ti不锈钢.Fe-Mn基合金表面改性后的耐蚀性,主要取决于改性层的结构、成分和缺陷. 1Cr18Ni9Ti stainless steel thin films were deposited onto the surface of austenitic Fe-Mn base alloys by ion-plating. The structure and elements distribution of 1Cr18Ni9Ti-coated alloy base and glass sheet were analyzed by X-ray diffractometer and electron probe microanalysis. Coated alloy base and glass sheet are fee γ- phase and bcc a-phase respectively. The coating with 1Crl8Ni9Ti film significantly increases the electrochemical corrosion resistance of the Fe-30Mn-9A1 and Fe-32Mn-3A1-8Cr alloys with the corrosion resistarce even slightly better than that of original 1Cr18Ni9Ti stainless steel. The corrosion resistance of 1Crl8Ni9Ti-coated Fe-Mn base alloy mainly depends on the structure, composition and defect of coated film.
作者 刘明 刘昕 朱雪梅 张彦生
机构地区 大连交通大学环境科学与工程学院 大连交通大学材料科学与工程学院
出处 《大连铁道学院学报》 2005年第4期57-61,共5页 Journal of Dalian Railway Institute
关键词 奥氏体Fe—Mn基合金 离子镀 均匀腐蚀 点蚀 austenitic Fe-Mn base alloys ion-plating general corrosion pitting corrosion
分类号 TG174.44 [金属学及工艺—金属表面处理]
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参考文献17

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二级参考文献8

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大连铁道学院学报
2005年 第4期

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