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系統識別號 U0002-2407201410230400
中文論文名稱 鎂在水溶液中腐蝕動力程序的分析與模擬
英文論文名稱 Analysis and Simulation of Corrosion Kinetics of magnesium in aqueous solutions
校院名稱 淡江大學
系所名稱(中) 化學工程與材料工程學系碩士班
系所名稱(英) Department of Chemical and Materials Engineering
學年度 102
學期 2
出版年 103
研究生中文姓名 張予凡
研究生英文姓名 Yi-Fan Chang
學號 601400756
學位類別 碩士
語文別 中文
口試日期 2014-07-08
論文頁數 51頁
口試委員 指導教授-張裕祺
委員-林正嵐
委員-林俊良
中文關鍵字 鎂腐蝕  負差效應  腐蝕動力程序 
英文關鍵字 Magnesium  Corrosion  Negative difference effect 
學科別分類
中文摘要 本研究主要探討鎂及鎂合金金屬於水溶液環境中的電化學腐蝕行為,並且從文獻中所得極化行為之實驗結果,利用Butler-Volmer方程式及Tafel方程式模擬出本研究之適當反應機制及其極化曲線。
而從模擬結果發現,在低電位區域鎂金屬的電化學氧化產生一價鎂離子Mg+,且清楚的發現在高電位部分區域有鎂金屬的陽極氧化部分有二價鎂離子Mg2+的析出,此外,可發現在中間電位部分區域存在高低兩電位區之結果依一定比例組成模擬出本次研究結果。
英文摘要 This study focused on the electrochemical corrosion behavior of magnesium and magnesium alloy metal in an aqueous environment. Using Butler-Volmer equation and the Tafel equation to simulate the polarization curve of this study. As we found that the unipositive is involved as an early step in the electrochemical oxidation of magnesium at low potential region. And it is clear that, during the anodic oxidation of magnesium metal, the transfer simultaneously of two electrons to form at high potential. Besides ,there is a proportion combine two curves to involve the consequence at middle potential.
論文目次 目 錄
誌謝I
論文提要II
AbstractIII
目 錄IV
圖目錄VI
表目錄VII
第一章 緒論1
1-1前言1
1-2鎂在中性溶液中的腐蝕反應3
第二章 鎂在水溶液中的腐蝕反應機構的文獻回顧4
2-1在不含 之環境的腐蝕4
2-2在含Cl-之環境的腐蝕7
2-3 NDE(Negative difference effect)之研究及進展9
2-4鎂腐蝕之動力學數據(Tafel 斜率)之分析22
2-5比較文獻中 及 之值23
第三章 模擬結果與討論24
3.1極化曲線模擬24
3-2陽極反應行為之模擬29
3-3陽極反應機制之討論32
3-4模擬與實驗數據之討論36
第四章 結論45
符號說明46
參考文獻48


圖目錄
圖2-1 鎂合金AM60之點蝕機制示意圖8
圖2-2 負差效應(NDE)示意圖9
圖2-3 微雙金屬電池示意圖12
圖2-4 一價鎂離子 模型之圖示15
圖2-5部分表面保護層之模型15
圖2-6顆粒腐蝕模型16
圖2-7鎂氰化物的形成模型17
圖2-8 NDE之新的模型圖示20
圖3-1鎂的極化曲線36
圖3-2極化曲線之低壓部分的數據38
圖3-3極化曲線之高壓部分的數據41


表目錄
表1-1腐蝕交換電流密度及腐蝕電位之值23
表3-1極化曲線之低壓部分的數據39
表3-2極化曲線之高壓部分的數據42
表3-3極化曲線之i1+i2的數據44

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[8] V. Birss, S. Xia, R. Yue, R. G. Rateick Jr.,89,Characterization of oxide films formed on Mg-base WE43alloy using AC/DC anodization in silicate solutions, 151(1), (2004), B1.
[9] G. Song, A. Atrens, D. St. John, et al., The electrochemical corrosion of pure magnesium in 1 N NaCl, Corrosion Science,39, (1997), 855.
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[18] Shi, Zhiming, Ming Liu, and Andrej Atrens, Measurement of the corrosion rate of magnesium alloys using Tafel extrapolation. Corrosion science, 52(2), (2010), 579.
[19] L. J. Liu, and M. Schlesinger,Corrosion of magnesium and its alloys. Corrosion Science, 51(8), (2009), 1733.
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[22] S. Bender, PhD thesis,Otto-von-Guericke University Magdeburg, Materials and Corrosion, 63(8), (2010), 707.
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