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研究生: 李奕慧
Lee, Yi-Hui
論文名稱: 含瀝青基材之碳/碳複合材料製程及性質研究
指導教授: 朱建平
Ju, Chien-Ping
陳瑾惠
Chern Lin, Jiin-Huey
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: 126
中文關鍵詞: 磨耗碳/碳複合材料
外文關鍵詞: Wear, Carbon/Carbon Composites
相關次數: 點閱:66下載:3
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  •   碳/碳複合材料具有高比強度,質輕的特性,縱使在高溫環境下,只須在適當的保護氣氛或另添加元素改善,可保有其良好的機械性質,另外其製成的物件重量遠比鋼鐵材料來得輕,因此碳/碳複合材料是製作飛機煞車材料的最佳選擇。

      本實驗主要研究PAN系碳纖維補強酚醛樹脂基材之碳/碳複合材料,藉由改變含浸材料及基材添加物的方式,在生胚成型後經穩定化、快速碳化、石墨化、緻密化及最終石墨化處理,製備碳/碳複合材料,其中緻密化處理以液態含浸法(Liquid Impregnation Method)來提升材料性質。量測材料的基本性質與機械性質,另外包括摩擦係數、磨耗量及磨耗面觀察等磨潤性質,討論各參數對於碳/碳複合材料機械及磨耗性質之影響。

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    中文摘要............................................................I 誌謝...............................................................II 目錄..............................................................III 表目錄.............................................................VI 圖目錄............................................................VII 第一章 前言.........................................................1 第二章 文獻回顧.....................................................3 2.1 碳/碳複合材料之發展與性質.......................................3 2.1.1 碳/碳複合材料之研究發展.......................................3 2.1.2 碳/碳複合材料應用領域.........................................3 2.1.3 碳/碳複合材料之性質...........................................5 2.2 碳纖維之介紹....................................................6 2.2.1 碳纖維之編織方式..............................................6 2.2.2 補強材碳纖維之種類............................................6 2.3 基材、添加材及含浸材之介紹......................................9 2.3.1 酚醛樹脂......................................................9 2.3.2 煤焦瀝青.....................................................10 2.3.3 中間相瀝青...................................................10 2.3.4 碳黑.........................................................11 2.3.5 石墨.........................................................11 2.4 碳/碳複合材料製程..............................................13 2.4.1 重覆含浸對材料之影響.........................................13 2.4.2 穩定化.......................................................13 2.4.3 碳化.........................................................14 2.4.4 石墨化.......................................................15 2.5 材料磨潤性質研究...............................................16 2.5.1 磨潤簡介.....................................................16 2.5.2 碳/碳複合材料之磨潤研究......................................17 第三章 實驗........................................................32 3.1 實驗材料.......................................................32 3.1.1 基材.........................................................32 3.1.2 補強材.......................................................32 3.1.3 添加材.......................................................32 3.1.4 含浸材.......................................................32 3.2 實驗製程.......................................................33 3.2.1 材料準備.....................................................33 3.2.2 熱壓.........................................................33 3.2.3 穩定化.......................................................33 3.2.4 碳化.........................................................34 3.2.5 石墨化.......................................................34 3.2.6 真空重覆含浸.................................................34 3.3 性質量測及分析.................................................36 3.3.1 厚度變化測量.................................................36 3.3.2 重量測量.....................................................36 3.3.3 密度及孔隙度測量.............................................36 3.3.4 三點彎曲測試.................................................37 3.3.5 抗壓測試.....................................................38 3.3.6 磨耗性質測試.................................................38 3.3.7 光學相機觀察.................................................39 3.3.8 掃描式電子顯微鏡觀察.........................................39 第四章 結果與討論..................................................45 4.1 不同含浸材對碳/碳複合材料性質的影響............................45 4.1.1 密度、孔隙度、重量與厚度的變化...............................45 4.1.2 緻密化過程中密度、孔隙度、重量與厚度的改變...................47 4.1.3 磨耗性質.....................................................48 4.1.4 磨耗面SEM觀察................................................51 4.1.5 撓曲強度及模數性質...........................................54 4.1.6 抗壓強度性質.................................................54 4.2 不同添加物選用含浸材II對碳/碳複合材料性質的影響................80 4.2.1 密度、孔隙度、重量與厚度的變化...............................80 4.2.2 緻密化過程中密度、孔隙度、重量與厚度的改變...................82 4.2.3 磨耗性質.....................................................83 4.2.4 撓曲強度及模數性質...........................................84 4.3 不同添加物選用含浸材PM對碳/碳複合材料性質的影響...............101 4.3.1 密度、孔隙度、重量與厚度的變化..............................101 4.3.2 緻密化過程中密度、孔隙度、重量與厚度的改變..................102 4.3.3 磨耗性質....................................................103 4.3.4 撓曲強度及模數性質..........................................105 第五章 結論.......................................................121 第六章 參考文獻...................................................123

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