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題 名 | Process Characterization of Nickel-chromium Alloy Electrodeposition by Statistical Analysis=應用統計方法解析鎳--鉻合金電鍍的程序特性 |
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作 者 | 張裕祺; 葉俊呈; 林俊一; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 32:4 2001.07[民90.07] |
頁 次 | 頁351-359 |
分類號 | 472.16 |
關鍵詞 | 統計方法; 鎳--鉻合金電鍍; Ni-Cr alloy; Electrodeposition; Factors analysis; |
語 文 | 英文(English) |
中文摘要 | 鎳-鉻合金電鍍雖有不少研究,但文獻所載有許多矛盾之處,其程序特性迄今仍未充分了解,本研究利用統計分析設計實驗,並進行解析。所探討的程序變數之數目及其測試範圍比文獻所述為多且廣。研究結果示明,鉻/鎳莫耳比,pH,電極轉速及溫度為影響合金組成的顯著因素;而pH,鉻/鎳莫耳比,添加劑及溫度則是影響電流效率的主要因素。基本上,鉻/鎳耳比,電流密度及pH對合金鍍層中的鉻含量有正效應,但溫度,轉速及添加劑則有負效應。至於對電流效率的關係,則是鉻/鎳莫耳比及電流密度具負效應,而溫度,pH及添加劑具正效應。 |
英文摘要 | The process characteristics of the electrodeposition of nickel-chromium alloy from a trivalent chromium bath were investigated. Using an orthogonal design, the data from all the experiments in the set were taken together and analyzed to determine the effects of the various electrodepositon parameters. The chromium/nicked mole ratio, pH, rotation rate and temperature significantly affected alloy composition; the pH, chromium/nicked mole ratio, additive (formic acid) and temperature significantly affected current efficiency. Generally, the chromium/nicked mole ration had a positive effect on the weight percentage of the chromium content in the despot, but an adverse effect on alloy current efficiency. No monotonous dependence of alloy composition or current efficiency on the process parameters, including the current density, temperature, pH, rotation rate and additive agent, was observed. These novel results are discussed and explained. This study is a prelude to the development of a mechanistic model. |
本系統中英文摘要資訊取自各篇刊載內容。