臺灣博碩士論文加值系統

本篇論文選用船用鋁合金AA-5083板材為研究材料，探討原始鋁合金母材未受應變作用下和分別受到不同應變力下的電化學阻抗頻譜特性。
本次研究採用4組鋁合金試片平均應變分別為#1組(20.6%)、#2組(15.1%)、#3組(10.2%)及#4組(4.0%)進行拉伸試驗後，再進一步執行試片製作並浸泡於3.5%NaCl溶液下量測電化學阻抗頻譜實驗。
經由實驗結果，我們可以發現到原始鋁合金母材未受應變下的阻抗值最大96.3Ω，其次是#4組(43.8Ω)＞#3組(36.3Ω)＞#2組(31.7Ω)>#1組(25.8Ω)，代表著鋁合金原始母材耐蝕性較好。
關鍵字：應變，電化學阻抗譜。

In this paper, we select marine aluminum alloy AA-5083 plate as the research material to explore the spectral characteristics of the electrochemical impedance of the original aluminum alloy base material without strain and under relative strain, respectively.
In this study, the average strain of four groups of aluminum alloy specimens was firstly used to conduct tensile tests in group #1 set(20.6%), #2 set(15.1%), #3 set(10.2%) and #4 set(4.0%). Secondly, we made the sample production and electrochemical impedance spectrum experiment that were measured under 3.5% NaCl solution.
Through the experimental results, we can find that the impedance value of the original aluminum alloy without strain is 96.3Ω, followed by #4 set(43.8Ω) > #3 set(36.3Ω) > #2 set(31.7Ω) > #1 set(25.8Ω). The original base material represents the good corrosion resistance than the others.

摘要
Abstract
致謝
目錄
圖目錄
表目錄
符號說明
1.緒論
1.1研究動機
1.2研究背景
1.3研究目的
2.基礎理論
2.1.鋁合金種類
2.2.鋁用鋁合金發展與運用
2.3.鋁合金之腐蝕特性
2.4.電化學阻抗頻譜法(EIS)
3.研究方法
3.1萬能試驗機試驗
3.2電化學阻抗頻譜法(EIS)實驗
4.實驗結果
4.1塑性應變機械性質分析
4.2彈、塑性應變對電化學腐蝕特性之影響
5.結論與未來展望
參考文獻

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