臺灣博碩士論文加值系統

第一章 前言 1
第二章　文獻回顧 3
2.1 鎳基超合金簡介 3
2.1.1 鎳基合金組成元素及作用 4
2.1.2 鎳基合金耐蝕性質 4
2.1.3 鎳基耐蝕合金系統 6
2.2 電化學腐蝕及量測方法 8
2.2.1 動電位極化法 9
2.2.2 循環極化法 12
2.3 各元素對鎳基合金耐蝕性之影響 13
2.4 應用於HCl酸洗槽之合金 15
2.5 田口法實驗 17
2.5.1 直交表 17
2.5.2 訊號雜訊比 18
第三章　實驗方法 20
3.1 實驗流程 20
3.2 合金熔煉 21
3.3 田口法實驗設計 22
3.4 電化學試驗 25
3.5 性價比評估 26
3.6 分析方法與設備 26
3.6.1 分析設備 26
3.6.2 分析方法 27
第四章　結果與討論 29
4.1 添加鐵元素對C-276合金之電化學特性的影響 29
4.1.1 動電位極化試驗 30
4.1.2 循環極化試驗 35
4.1.3 母合金之選用 37
4.2 田口法控制因子上下界水準設置 38
4.2.1 母合金Cr、Mo、W上下界水準 38
4.2.2 設計合金Cu、Nb、Ta、Ti上下界水準 40
4.2.3 田口法L18直交表控制因子水準選定 47
4.3 田口法L18合金熔煉實驗 49
4.3.1 以臨界鈍化電流(Icrit)為品質指標 50
4.3.2 以鈍化電流(Ip)為品質指標 53
4.3.3 設計合金性價比評估 56
4.4 高潛力設計合金綜合性分析 61
4.4.1 成分分析 61
4.4.2 電化學分析 63
4.4.3 性價比評估 69
4.4.4 綜合討論 70
第五章　結論 72
參考文獻 73
附錄A 田口實驗L18之動電位與循環極化曲線 78

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