本文選題：金屬-玻璃封接外殼 + 鹽霧�。� 參考：《腐蝕科學(xué)與防護(hù)技術(shù)》2017年04期

【摘要】：采用EDAX、SEM及FISCHER鍍層測試儀等測試手段,對某型號金屬-玻璃封接外殼電鍍鎳、金后鹽霧摸底實(shí)驗(yàn)時的考核失效進(jìn)行了分析,發(fā)現(xiàn)鍍層厚度尤其是鍍鎳層的厚度對此類外殼鹽霧實(shí)驗(yàn)結(jié)果影響較大。當(dāng)鍍鎳層厚度大于3.5μm且鍍金層厚度大于1.9μm時,此類外殼可以通過GJB548B-2005方法1009實(shí)驗(yàn)條件B的鹽霧考核。此外,采用直流電源進(jìn)行電鍍獲得的鍍層均勻性較差,且厚度越厚,均勻性越差(不同區(qū)域的厚度差近三倍),通過引入正反脈沖電源可以有效提升鍍層均勻性。
[Abstract]:By means of EDAX SEM and FISCHER coating tester, the test failure of a certain type of metal-glass sealing shell for electroplating nickel and salt spray after gold was analyzed.It is found that the thickness of the coating, especially the thickness of the nickel coating, has a great influence on the salt spray test results of this kind of shell.When the thickness of nickel coating is more than 3.5 渭 m and the thickness of gold coating is more than 1.9 渭 m, the shell can be tested by salt spray of GJB548B-2005 method 1009.In addition, the uniformity of electroplating obtained by DC power supply is poor, and the thickness is thicker, the uniformity is worse (the thickness difference of different regions is nearly three times), the uniformity of coating can be effectively enhanced by introducing positive and negative pulse power supply.
【作者單位】： 中國電子科技集團(tuán)公司第五十五研究所;
【分類號】：TG174.3;TQ153
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本文編號：1754736