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研究生:張添賀
研究生(外文):Tien-Ho Chang
論文名稱:具方向性(垂直)多壁奈米碳管複合材料之磨耗與動態機械性質研究
論文名稱(外文):The study of vertically aligned MWCNTs composites in wear resistance and dynamic mechanical properties
指導教授:徐澤志徐澤志引用關係
指導教授(外文):Tze-Chi Hsu
學位類別:碩士
校院名稱:元智大學
系所名稱:機械工程學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:77
中文關鍵詞:奈米碳管介電泳電極間隙
外文關鍵詞:MWCNTdielectrophoresiselectrode gap
相關次數:
  • 被引用被引用:1
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奈米碳管具有優異的機械性質、完美管狀結構與自體潤滑效果,並且具有優異的導電性。當奈米碳管均勻的分佈在基材中,可強化基材的機械性質,並降低接觸表面間的摩擦係數及提升抗磨耗性質。近年來許多研究以介電泳技術,在固定電極間隙下,操控奈米碳管進行均勻且具有方向性的分佈與排列。而本研究將控制電極的間隙,使奈米碳管在介電泳力的作用下相互搭接,令其具有方向性排列,製作出奈米碳管複合材料。經由實驗結果,具方向性奈米碳管複合材料可提升基材的抗磨耗性質和動態機械性質。
MWCNT (Multi-walled carbon nanotube) have many advantages like excellent mechanical properties, perfect tubular structure, and self-lubricant effect. When MWCNTs are distributed evenly inside the substrate, the mechanical properties of the composite will be reinforced, the friction between two interfaces are reduced, and the wear resistance of materials are enhanced. Many researches focus on the relationship between alignment of MWCNTs and dielectrophoresis. They operated the alignment of MWCNTs by the fixed electrode gap. In this research, we will increase the electrode gap in order to network the MWCNTs and fabricate the MWCNTs composites. Experimental result shows that the aligned MWCNTs would actively enhance the wear resistance and dynamic mechanical properties of composites.
書名頁 i
中文摘要 ii
英文摘要 iii
誌 謝 iv
目 錄 v
表目錄 viii
圖目錄 ix
符號說明 xiii
第一章 緒論 1
1.1 前言 1
1.2 文獻回顧 2
1.2.1 介電泳效應之實驗研究 2
1.2.2 磨擦-磨耗之理論 5
1.2.3 奈米碳管複合材料之磨耗與動態機械性質 6
1.3 研究動機 10
第二章 研究理論 14
2.1 介電泳力對奈米碳管的作用 14
2.2 摩擦-磨耗之理論 16
2.2.1 Archard磨耗係數理論 16
2.2.2 黏滯與犁耕摩擦係數之推導 18
2.2.3 圓柱形犁耕模型修正 19
第三章 實驗設備與步驟 26
3.1 實驗設備 26
3.2 實驗步驟 28
3.2.1 奈米碳管分散實驗 28
3.2.2 介電泳效應奈米碳管排列實驗 29
3.2.3顯微結構觀察 30
3.2.4磨耗實驗 30
3.2.5動態機械性質測試 32
第四章 實驗結果與討論 43
4.1磨耗實驗 43
4.1.1 摩擦係數與磨耗係數 43
4.1.2犁耕摩擦係數與黏滯摩擦係數 45
4.2 動態機械性質測試 46
4.2.1玻璃轉換溫度 (T ) 47
4.2.2 楊氏模數 (E) 48
4.2.3 儲存模數 ( ) 49
4.3 顯微結構觀察 50
第五章 結論與建議 70
5.1 結論 70
5.1.1 磨耗實驗 70
5.1.2 動態機械分析 70
5.1.3 顯微結構觀察 71
5.2 建議 71
參考文獻 73
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