NiTi合金低压等离子渗氮研究

功能材料, 2004, 35(z1): 2373-2375.

1.天津理工学院,材料科学与工程系,天津,300191

2.大连海事大学,材料科学工艺研究所,辽宁,大连,116026

Study on NiTi alloy treated by the low pressure glow ion nitriding

采用低压等离子渗氮工艺对NiTi合金进行了渗氮处理.氮化处理后NiTi合金表面硬度升高.XRD测试结果表明在合金表面形成了一层TiN涂层,在TiN涂层下为Ni3Ti相.电化学腐蚀测试表明经氮化处理后合金的耐腐蚀能力大为提高.

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