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研究生：	王俊堯 Wang, Chun-Yao
論文名稱：	纏繞複合材料等效勁度之模擬 Effective Elastic Modulus of Fiber Winding Composite
指導教授：	胡宣德 Hu, Hsuan-Teh
學位類別：	碩士 Master
系所名稱：	工學院 - 土木工程學系 Department of Civil Engineering
論文出版年：	2006
畢業學年度：	94
語文別：	中文
論文頁數：	98
中文關鍵詞：	纏繞、複材、等效勁度
外文關鍵詞：	composite, winding, equivalent
相關次數：	點閱：64 下載：1
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本研究是將纖維纏繞微觀結構的特點，即纖維交叉起伏區，建立出一代表性的代表單元，因此單元已包含纖維帶交織現象所造成的影響，而後將此單元經由(1)單向拉伸試驗(2)雙向拉伸試驗(3)剪切試驗，這三種試驗都是用位移控制為施載條件，再以平面應力的假設，求得此單元的等效勁度，而後在使用此作法，對不同的纖維纏繞角度及volume fraction，對其所求得等效勁度作一趨勢性分析，並比較其因纖維交叉起伏區所造成的勁度下降。

This research is presented for studying the fiber winding composites, which can predict the macro modulus of composite. The representative volume element is set up based on the characters of fiber winding composites, which considers the effect of fiber undulating zone.
We can use the representative volume element with (1)uni-axial extension (2)bi-axial extensions (3)trellising. These three kinds of tests are all controlled by displacement, and then with the assumption of the plane stress, we can get equivalent stiffness of this unit.
By this way, we can get equivalent stiffness and make trend analysis with different winding angle and volume fraction. Finally, we compare the fallen of equivalent stiffness with the fiber stiffness because of the fiber undulating zone.

目錄.......................................................................i
表目錄....................................................................iv
圖目錄.....................................................................v
符號說明.................................................................xii

Chapter 1 序論
1 前言.................................................................1
2 文獻回顧.............................................................2
3 研究主題與目的.......................................................3
4 本文概述.............................................................4

Chapter 2	纏繞式複合材料的製造方法
1 纖維纏繞法簡介.......................................................5
2 材料的選擇...........................................................6
3 張力控制.............................................................7
4 含浸過程.............................................................7
5 心軸準備.............................................................8
6 繞線的樣式...........................................................8

Chapter 3	纏繞纖維複材之等效原理及過程
1 前言................................................................14
2 選定材料參數........................................................14
3 unit cell的建立.....................................................18
4 分析原理............................................................19
5 分析過程............................................................20

Chapter 4	試體的建立與收斂性分析
1 前言................................................................32
2 元素的介紹..........................................................32
3 試體的建立、模擬....................................................33
3.1 建立part........................................................33
3.2 設定材料參數....................................................34
3.3 建立邊界條件....................................................35
3.4 分割網格........................................................36
4 收斂性分析..........................................................36

Chapter 5	數值分析結果
1 前言................................................................50
2 試體分析結果........................................................51
2.1 計入樹脂區之Vf與纏繞角度之趨勢..................................51
2.2 不計樹脂區之Vf與纏繞角度之趨勢..................................53
2.3 計入樹脂區之Vf時以不同纏繞角度觀察等效勁度的趨勢................54
2.4 不計入樹脂區之Vf時以不同纏繞角度觀察等效勁度的趨勢..............55
3 等效勁度正規化後比較................................................56
3.1 計入樹脂區之Vf時所得等效勁度用E11正規化後比較...................57
3.2 不計入樹脂區之Vf 時所得等效勁度用E11 正規化後比.................59

Chapter 6	結論與建議
1 結論................................................................92
2 建議................................................................94
參考文獻..................................................................95
自述......................................................................98
                                    

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校內：2007-08-09公開
校外：2007-08-09公開

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