采用辉光无氢渗碳方法,在工业纯钛TA2表面制备渗碳层,研究辉光无氢渗碳动力学以及渗碳试样在25℃、3.5％ NaCl水溶液和25℃、80％ H2SO4水溶液中的耐蚀性能.结果表明,渗碳层厚度随渗碳温度与时间的增加而增加,碳在渗碳层中的扩散系数与绝对温度之间符合Arrhenius关系式,扩散活化能为13.6 kJ/mol (0.14 eV).渗碳试样在25℃3.5％ NaCl、80％ H2SO4水溶液中的腐蚀速率分别为0.000 48 mm/a、2.118 mm/a,分别是Ti-0.2Pd的77％、50％,分别是TA2的13％、11％,耐蚀性能得到显著提高.
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