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Ti/TiN纳米多层薄膜改性层在Troyde's模拟体液中的抗腐蚀性能

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Indexed by:期刊论文

Date of Publication:2005-07-01

Journal:无机材料学报

Included Journals:SCIE、EI、PKU、ISTIC、CSCD、Scopus

Volume:20

Issue:4

Page Number:940-946

ISSN No.:1000-324X

Key Words:Ti/TiN纳米多层薄膜;抗腐蚀性能;医用不锈钢;模拟体液

Abstract:用电弧离子镀设备,在医用不锈钢基体上沉积Ti/TiN纳米多层薄膜,考察薄膜在Troyde′s模拟体液中的抗腐蚀性能.结果表明,在中性与酸性模拟体液中316L+Ti/TiN(45/45s)体系的击穿电位分别提高5倍和2倍,腐蚀电流密度为基体的1/8与1/3,明显降低发生局部腐蚀的敏感性,但滞后环的出现说明薄膜被击穿后自修复能力较差.分析说明薄膜的纳米多层结构与纯Ti层的存在可有效提高医用不锈钢在Troyde′s模拟体液中的抗点蚀能力.

Pre One:Coated 316L stainless steel with CrxN film as bipolar plate for PEMFC prepared by pulsed bias arc ion plating