目前，有关热浸镀锌池中Bi对含硅钢硅反应性的作用尚不明确。将Q235钢和Q345钢在纯锌池及含Bi的锌池中热浸镀，研究熔池中Bi对硅反应性的作用。结果表明：锌池中单独加入Bi对镀层厚度无影响，不能克服硅反应性现象，镀层组织仍然具有硅反应性组织的特征；同时加入Bi和Ni，对低含硅量的Q235钢的硅反应性有一定的抑制，但对高含硅量的Q345钢的硅反应性没有抑制。
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