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系統識別號 U0026-0807201918362200
論文名稱(中文) 無壓力釜預浸布/纖維複合疊層複材製程研究
論文名稱(英文) Out of Autoclave Processing for Prepreg/Fiber Hybrid Layup Composite
校院名稱 成功大學
系所名稱(中) 航空太空工程學系
系所名稱(英) Department of Aeronautics & Astronautics
學年度 107
學期 2
出版年 108
研究生(中文) 楊宇暉
研究生(英文) Yu-Hui Yang
學號 P46064215
學位類別 碩士
語文別 中文
論文頁數 84頁
口試委員 指導教授-楊文彬
口試委員-胡潛濱
口試委員-陳介力
中文關鍵字 無壓力釜製程  碳纖維複合材料  碳纖維  預浸布  拉伸性質 
英文關鍵字 out of autoclave process  carbon fiber  prepreg  tensile property 
學科別分類
中文摘要 本研究利用碳纖維預浸布與碳纖維布相互堆疊,利用此法製出部分浸潤之預浸布,並用無壓力釜方式製備碳纖維纖維/環氧樹脂複合材料。孔隙對複材的機械性值具影響,於抽真空時,部分浸潤預浸布能透過碳纖維形成的乾燥區域有效地將複材疊層內的氣泡抽出。本研究欲得知預浸布與碳纖維布的組成比例為何,方能使無壓力釜製程複材擁有傳統壓力釜製程等級的拉伸性質。利用理論計算出複材疊層的纖維孔洞與樹脂體積並製作三種疊層反映纖維孔洞被樹脂填充的程度,分別為過飽和、趨於飽和、未飽和。對此三種疊層進行拉伸實驗,同時也製出壓力釜製程複材與前面三者比較。結果顯示,楊氏係數隨著填充程度降低而下降。而抗拉強度方面,過飽和與趨於飽和疊層相仿,但未飽和疊層遠低前面兩者。整體而言,過飽和疊層擁有最接近於壓力釜製程的拉伸性質,即可歸納出預浸布與碳纖維布之原始厚度比為1.04,飽和指數為1.27之無壓力釜製程複和材料有最佳的拉伸性質。
英文摘要 The OOA process uses partially impregnated prepregs for composite laminates; gases and volatiles are removed by vacuum through the dry region of the prepregs. In this study, the fully impregnated carbon fiber prepregs and dry carbon fabric were assembled to form a hybrid laminate similar to the partially impregnated laminate. By calculating the volume of fiber pores and resin volume in the laminate, we acquired the saturation degree of the hybrid laminate. Three types of hybrid laminates were fabricated by OOA process to represent the different saturation conditions: super-saturation, saturation, and under-saturation. Tensile test was performed on all these specimens. The result shows that if the original thickness ratio of prepregs to carbon fabric is 1.04, and saturation index of 1.27, hybrid laminate with competitive tensile properties as that manufactured by conventional autoclave process can be obtained.
論文目次 中文摘要 I
Abstract II
致謝 VIII
目錄 IX
表目錄 XII
圖目錄 XIV
符號說明 XVIII
第一章 緒論 1
1-1 前言 1
1-2 研究目的 3
1-3 研究方法 3
1-4 文獻回顧 4
第二章 研究簡介 6
2-1 複合材料簡介 6
2-2 預浸布簡介 7
2-3 無壓力釜製程(Out of Autoclave Process)介紹 8
2-4 拉伸試驗(Tensile Test)之原理 9
2-5 複合材料的基本理論 10
第三章 實驗裝置與製程 13
3-1 實驗材料 13
3-2 實驗設備 14
3-3 材料基本性質測試 15
3-4 纖維壓縮實驗 15
3-5 纖維壓縮實驗之曲線擬合 16
3-6 無壓力釜碳纖維預浸布/纖維複合疊層複合材料備製 17
3-7 複合材料拉伸測試 19
3-7-1 複合材料拉伸測試步驟 19
3-7-2 拉伸實驗設計 20
3-7-3 複合材料烘乾時間 20
第四章 疊層設計分析 21
4-1 飽和指數(Sindex) 21
4-2 混和疊層理論計算 21
4-3 無壓力釜製程之受壓情況 25
4-4 正規化(Normalization Methodology) 26
第五章 結果與討論 28
5-1 材料基本性值測試 28
5-2 曲線擬合結果 28
5-3 實際與理論之纖維體積比與孔隙率 30
5-4 孔隙高度與壓力之關係 30
5-5 雙束型聚焦離子束儀觀察試片截面 32
5-6 試片位置對拉伸性質的影響 32
5-7 飽和指數對拉伸強度的影響 33
第六章 結論 34
6-1 全文結論 34
參考文獻 35
表格 37
圖片 48
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