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研究生： 施宗佑
Shr, Tzung-You
論文名稱： 熱處理對單成份球型牙科汞齊合金 性質影響之研究
Effect of Heat Treatment on Properties of Single Composition Spherical Dental Amalgam
指導教授： 陳瑾惠
Chern Lin, Jiin-Huey
朱建平
Ju, Chien-Ping
學位類別： 碩士
Master
系所名稱： 工學院 - 材料科學及工程學系
Department of Materials Science and Engineering
論文出版年： 2005
畢業學年度： 93
語文別： 中文
論文頁數： 119
中文關鍵詞： 熱處理 、牙科汞齊合金
外文關鍵詞： dental amalgam
相關次數： 點閱：46  下載：1 
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    • 　　基於本實驗室先前研究之結論，合金粉末經過200℃以上之熱處理，有助於提升汞齊合金之性質。本實驗選用自行配料、噴粉之汞齊合金粉末AT、ATP及實驗對照組商用汞齊合金Tytin®，經過200、250、300、350℃，持溫兩天，進行各項性質測試。本實驗目的在於：討論熱處理對單成分球型汞齊合金粉末之影響與差異，並探討熱處理對含鈀及不含鈀汞齊合金之影響與差異，最後從不同熱處理條件中，設計出低汞蒸氣釋出率、操作性質、機械性質良好之汞齊合金。

    　　實驗結果顯示經過熱處理之後，汞齊合金所需的混汞量下降使得汞蒸氣釋出率隨溫度上升而下降。且熱處理合金粉末使汞齊化速率變慢，完成反應所需的時間被拉長，以至於原本一小時即能達到的強度要更多的時間才能反應完全。單就機械性質方面，不論是AT系列、ATP系列還是CT系列之汞齊合金，300℃，持溫兩天之熱處理溫度能使汞齊合金有最佳的強度。綜觀各項性質，AT系列比ATP系列之汞齊合金優異。

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    第一章 緒論…1 1-1 前言…1 1-2 研究動機與目的…1 第二章 文獻回顧…4 2-1 汞齊合金之發展演進…4 2-2 汞齊合金之類別與反應機構…11 2-2-1 低銅汞齊合金…11 2-2-2 高銅汞齊合金…12 2-3 添加金屬元素的影響…14 2-3-1 鋅（Zinc）的添加…14 2-3-2 銦（Indium）的添加…15 2-3-3 鈀（Palladium）的添加…15 2-4 合金粉末的分類…16 2-4-1 銼屑型合金粉末…16 2-4-2 球型合金粉末…17 2-4-3 混合型合金粉末…17 2-5 汞毒性之探討…19 2-6 汞齊合金之汞蒸氣釋出…21 2-7 汞齊合金之機械強度性質…23 2-8 汞齊合金之潛變速率…24 第三章 材料與實驗方法…25 3-1 實驗架構與流程…25 3-2 合金粉末製備…25 3-3 合金粉末真空玻璃封管…28 3-4 合金粉末熱處理…29 3-5 合金粉末之酸洗與烘乾…31 3-6 合金粉末之觀察與分析…31 3-6-1 合金粉末之XRD繞射分析…31 3-6-2 合金粉末之SEM觀察與EDS成份分析…32 3-7 汞齊合金試片之製作…33 3-7-1 混汞比與混汞能量之測試…34 3-7-2 汞齊合金試片之製作…36 3-8 汞齊合金之觀察與分析…36 3-8-1 汞齊合金之XRD繞射分析…38 3-8-2 汞齊合金之SEM觀察…38 3-9 初始汞蒸氣釋出率測試…40 3-10 抗壓與徑向抗拉強度測試…41 3-11 潛變速率測試…42 第四章 結果與討論…45 4-1 商用汞齊合金之改良…45 4-1-1 熱處理溫度對初始汞蒸氣釋出速率之影響…45 4-1-2 熱處理溫度對汞齊合金混汞量及操作性質之影響…45 4-1-3 合金粉末粒徑分布…49 4-1-4 合金粉末之XRD相分析…53 4-1-5 合金粉末SEM觀察與分析…55 4-1-6 徑向抗拉強度測試…55 4-1-7 汞齊合金XRD相分析…60 4-1-8 汞齊合金SEM觀察…60 4-2 熱處理對球型單成分汞齊合金性質之影響…70 4-2-1 熱處理溫度對初始汞蒸氣釋出速率之影響…70 4-2-2 熱處理溫度對汞齊合金混汞量及操作性質之影響…70 4-2-3 合金粉末粒徑分布…73 4-2-4 合金粉末之XRD相分析…76 4-2-5 合金粉末SEM觀察與分析…76 4-2-6 抗壓強度測試…80 4-2-7 徑向抗拉強度測試…80 4-2-8 潛變速率測試…83 4-2-9 汞齊合金XRD相分析…83 4-2-10 汞齊合金SEM觀察…83 4-3 熱處理對球型含鈀單成分汞齊合金性質之影響91 4-3-1 熱處理溫度對初始汞蒸氣釋出速率之影響…91 4-3-2 熱處理溫度對汞齊合金混汞量及操作性質之影響…91 4-3-3 合金粉末粒徑分布…97 4-3-4 合金粉末之XRD相分析…97 4-3-5 合金粉末SEM觀察與分析…97 4-3-6 抗壓強度測試…97 4-3-7 徑向抗拉強度測試…103 4-3-8 潛變速率測試…103 4-3-9 汞齊合金XRD相分析…105 4-3-10 汞齊合金SEM觀察…105 第五章 結論…114 第六章 參考文獻…116

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