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热镀锌钢材在海洋大气环境中的氢渗透行为

Keywords: 材料失效与保护,,热镀锌镀层,??氢吸收,?氢渗透,大气腐蚀

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Abstract:

?用改进的devanathan双面电解池在恒温、恒湿)条件下检测热镀锌钢材的渗氢电流密度并观测其腐蚀形貌,研究了温度对其氢渗透行为的影响.结果表明,在湿度相同的条件下,随着模拟海洋大气环境温度的升高试样的氢渗透加速,且湿度越高温度的这种加速作用越显著;在高温和高湿条件下,试样的氢吸收和氢渗透进行得更快.

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