ELECTROCHEMICALLY CONTROLLED GROWTH AND DISSOLUTION OF SILVER WHISKERS
ELECTROCHEMICALLY CONTROLLED GROWTH AND DISSOLUTION OF SILVER WHISKERS
复制标题
DOI：
10.1007/bf00550020
复制
发表时间：
1971-01-01
影响因子：
4.5
通讯作者：
OBRIAIN, CD
中科院分区：
文献类型：
--
作者：
CORISH, J;OBRIAIN, CD
本文研究了α-Ag2S压片表面银晶须的形成。通过一种新的方法实现了少量晶须的择优成核，该方法涉及一束银蒸气定向到α-Ag2S表面。这些晶须随后被生长，并通过电化学方法重新溶解，这一过程通过光学显微镜进行了研究。电流/电位曲线表明，在电流密度为8.7A cmα-−_2时，银穿过银晶须/Ag2S界面，在300°C的过电位为<；5 mV。生长和溶解曲线的形状与这些过程中位错机制的运行相一致。
The formation of silver whiskers on the surface of a pressed tablet of α-Ag2S has been studied. Preferential nucleation of a small number of whiskers was achieved by a novel method involving the direction of a beam of silver vapour on to the surface of the α-Ag2S. These whiskers were then grown and redissolved electrochemically and the process studied photomicrographically. Current/potential curves indicated that silver crossed the silver whisker/α-Ag2S interface at current densities as large as 8.7 A cm−2with overpotentials < 5 mV at 300°C. The shapes of the growth and dissolution curves are compatible with the operation of a dislocation mechanism in these processes.