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海洋科学  2008 

热浸镀锌-5%铝钢材在海水中的氢脆敏感性

, PP. 7-11

Keywords: 热浸镀锌铭合金镀层,氢渗透,慢应变速率拉伸试验,氢脆

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Abstract:

热浸镀锌-5%铝镀层钢材在海洋环境中使用时可能存在氢脆问题。采用慢应变速率拉伸实验法,结合扫描电镜分析,研究了锌-5%铝镀层钢材在海水中的氢脆敏感性。发现锌-5%铭镀层对钢材基体进行阴极保护引起的氢渗透,可显著降低钢材的断后延伸率和能量密度,使钢材的断裂方式由韧性向准解理转变,提高了其在海水中的氢脆敏感性。

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