Research on Electrolytic Hydrogenation of Titanium Alloy for Automobile
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摘要: 为了提高汽车用SP700(Ti-4.5Al-3V-2Mo-2Fe)钛合金的机械性能,利用电解渗氢的方式,在酸性环境下(1N H2SO4),探讨法拉第效应、时间、添加剂及温度对汽车用SP700钛合金的渗氢效果,并对试验现象进行详细研究。研究表明:汽车用SP700钛合金在室温(25℃)下,溶液中添加As2O30.1g/L,在短时间和大电流密度下,电解渗氢12 h渗氢效果最佳。Abstract: In order to improve the mechanical properties of the titanium alloy SP700(Ti-4.5Al-3V-2Mo-2Fe) used for automobile,the influences of faraday effect,charging time,additive and temperature on the hydrogenation of SP700 were investigated by electrolytic hydrogenation under acidic conditions (1N H2SO4).The results indicate that the most effective hydrogenation of SP700 exists after 12 h of charging time under conditions of shorter time and higher current density,with 0.1 g/L As2O3 in solution at 25℃.
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