頁籤選單縮合
題名 | Automated Stress Control of Electroplated Nickel-Phosphorus Alloy= |
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作者 | 余介文; Yu, George; Williams,Martin; |
期刊 | 雲林工專學報 |
出版日期 | 19970600 |
卷期 | 16 1997.06[民86.06] |
頁次 | 頁89-95 |
分類號 | 472.16 |
語文 | eng |
關鍵詞 | |
中文摘要 | A process for automatic control of internal stress in electroplated nickel-phosphorus alloy using controlled current electrodeposition on a conductive substrate from a single electroplating bath yields a multiple-layered coating. This multi-layered deposit is a sequence of two alternating layers. One of these layers is a phosphorus-rich coating which is characterized by compressive stresses whiles the other layer is a tensile-stressed coating of low phosphorus content. The apparatus employed to achieve this automated control of internal stress includes an non-contact linear sensor for mornitoring stresses in the coating and programmable power supply for the current source. |
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