用动电位扫描、X-射线衍射和扫描电镜研究了高硅奥氏体不锈钢在93%H2SO4、95%H2SO4和10%FeCl3介质中的腐蚀行为.结果表明,含有高硅的奥氏体不锈钢其耐蚀性能均得到提高,主要是因为硅的加入改善了不锈钢的钝化性能,加快了不锈钢在介质中由活化状态到钝化状态的转变.
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