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研究生： 江淯瑄
Jiang, Yu-Xuan
論文名稱： 以數值模擬探討鋁單晶的晶體方位對凸耳行為之影響
Effect of Orientation on Earing Behavior of Aluminum Single Crystals Using Numerical Simulations
指導教授： 郭瑞昭
Kuo, Jui-Chao
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： 2024
畢業學年度： 112
語文別： 中文
論文頁數： 151
中文關鍵詞： 凸耳 、Lankford coefficient (r值) 、晶體塑性有限元素法 、晶體旋轉 、滑移系統
外文關鍵詞： earing, crystal plasticity finite element method, crystal rotation, slip system
相關次數： 點閱：67  下載：0 
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    • 中文摘要 I Extended Abstract III 誌謝 XIV 目錄 XVI 表目錄 XX 圖目錄 XXII 第一章 前言 1 第二章 文獻回顧 3 2.1　深沖集合組織對凸耳之影響 3 2.2　凸耳預測之數值分析模型 5 2.2.1　Hill criteria and Lankford Coefficient 5 2.2.2　有限元素法模擬模型 9 2.2.3　單晶材料晶體塑性模型 20 2.2.4　多晶材料數值分析模型 24 第三章 凸耳預測之數值分析模型 39 3.1　多晶材料數值分析模型 39 3.1.1 r值之計算 39 3.1.2 數值分析模型之比較 43 3.2　有限元素法(FEM)模擬模型 45 3.2.1　深沖模擬之幾何參數 45 3.2.2　 FEM材料硬化模型 47 3.2.3　等向性與異向性材料 50 3.3　單晶材料晶體塑性模型 52 3.4　晶體塑性有限元素法(CP-FEM)模擬模型 53 3.4.1　試片座標之旋轉 54 3.4.2　分析流程與晶體方位的選擇 55 第四章 數值模擬結果 56 4.1　多晶材料數值分析模型 56 4.2　有限元素法(FEM)模擬模型 59 4.3　單晶材料晶體塑性模型 60 4.4　晶體塑性有限元素法(CP-FEM)模擬模型 63 4.4.1　杯型之演變 63 4.4.2　晶體方位之旋轉 67 第五章 討論 72 5.1　集合組織對凸耳行為之影響 72 5.1.1　單晶模型之比較 72 5.1.2　集合組織與凸耳行為 76 5.2　晶體方位旋轉之探討 77 5.2.1　晶體旋轉軸之預測 77 5.2.2　晶體旋轉之成因 79 5.2.3　滑移系統與晶體旋轉之關係 82 5.3　晶體塑性變形與凸耳生成之關係 89 5.3.1　元素A之分析 91 5.3.2　元素B之分析 95 5.3.3　元素D之分析 99 5.3.4　元素E之分析 103 5.3.5　元素分析之彙整 107 5.4　多晶材料數值分析模型之分析 110 第六章 結論 112 參考文獻 114

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