应用电化学和表面分析技术研究了砷对H_(62)与H_(68)黄铜脱锌效应研究。脱锌深度(D)与含砷量(C)服从下列关系式:D=D_0/ (1_B·C~n)。用正电子湮没技术测得了τ_2值且与双空位(τ_(2))值相符。脱锌后τ_2的相对强度变化量△I_2与平均寿命变化量△τ_m包含着脱锌深度D的信息。这就为锌在优先溶解过程中双空位体扩散机制提供了直接证据。
The inhibiting effect of arsenic on the dezincification of H_(62) and H_(68) brass has been investigated by electrochemical and surface analysis techniques. The relationship of dezincification depth to the content of As in the brass follows an empirical e
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