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研究生: 吳育豪
Wu, Yu-Hao
論文名稱: 燃燒法合成氮化鋁粉體之新製程開發
Combustion Synthesis of AlN
指導教授: 鍾賢龍
Jhong, Sian-Long
學位類別: 碩士
Master
系所名稱: 工學院 - 化學工程學系
Department of Chemical Engineering
論文出版年: 2004
畢業學年度: 92
語文別: 中文
論文頁數: 53
中文關鍵詞: 氮化鋁燃燒合成
外文關鍵詞: AlN
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  •   本論文係採用燃燒合成法,合成AlN粉。係將原料鋁粉置入一鋁製容器內後,再置入一耐高壓反應器內,並填充氮氣至壓力1—5atm,本法強調只需於反應物局部區域先加熱使鋁粉與氮氣反應,利用氮化反應所散出之熱量來加熱其它反應物進行反應,故一旦此局部區域引燃後即可關掉電源無須再額外加熱。由於此為高度放熱反應,鋁粉除了反應也會熔化聚集而導致燃燒熄滅。為了改善此問題,進而提出強迫氮氣進入反應物以利進行反應,同時並藉由添加(a)稀釋劑(b)添加劑(C)膨鬆劑等,除了可降低氮化反應之活化能,加速氮化,且可促進氮氣更容易補充,故可在低氮壓下(1—5atm),成功地合成氮化鋁,可達99.9%轉化率,因為製程簡單、省能源、反應快速,故十分適合工業大量生產。

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    目錄 中文摘要.........................Ⅰ 目錄...........................II 表目錄..........................III 圖目錄..........................IV 第一章 緒論.......................1 1-1 簡介......................1 1-2 燃燒合成法簡介.................3 1-3 氮化鋁的物理性質與應用.............7 1-4 氮化鋁粉體之合成方法與比較...........10 第二章 原理.......................13 2-1 燃燒反應熱力學.................13 2-2 燃燒反應動力學.................16 2-3 氮化物之燃燒合成................17 2-3.1 熱力學限制.................17 2-3.2 動力學影響.................19 2-4 研究動機....................21 第三章 實驗裝置與藥品..................25 3-1 實驗反應器裝置.................25 3-2 熱電偶溫度量測系統...............25 3-3 其他設備....................26 3-4 實驗藥品....................27 第四章 實驗方法.....................29 4-1 反應錠製備...................29 4-2 氮化鋁燃燒合成反應...............29 4-3 熱電偶溫度量測...........+.....30 4-4 氫氣收集與量測.................31 4-3.1 實驗目的..................31 4-3.2 實驗步驟..................31 4-3.3 產物轉化率之計算..............31 4-5 產物處理與分析.................32 第五章 結果與討論....................37 5-1 實驗結果....................37 5-2 最佳反應條件..................44 第六章 結論.......................46 參考文獻.........................51

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