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研究了不同相结构双相黄铜的扩散机制，计算出黄铜在实海暴露过程中锌在β相的体扩散系数和α相晶界的扩散系数证实了合金元素 Ｓｎ对黄铜脱锌的抑制作用，揭示出脱锌深度与腐蚀速度之间的相关性．
The diffusion mechanism of two-phase brass with different phase structure was studied. The calculation of the diffusion coefficient of bulk zinc in β phase and the diffusion coefficient of α phase in the process of solid sea exposure confirmed that alloying elements Sn dezincification of brass Inhibition, revealing the depth of dezincification and the correlation between corrosion rate.