臺灣博碩士論文加值系統

本論文主要是探討商業用純鈦板材於常溫以及高溫之沖壓成形性，以及各重要製程參數對沖壓成形之影響，並研究在可行之加溫範圍內對其成形性改善之效果，藉以作為純鈦板件沖壓時模具設計之參考。
本論文首先建立純鈦從常溫至300℃之機械性質及成形極限曲線。之後為探討純鈦常溫引伸性質與溫間引伸對於純鈦之成形性所造成改善之效果，故先行設計相關之沖壓設備，進而以圓杯引伸作為純鈦成形性質之探討。此外對於薄板沖壓可能造成之回彈現象，文中嘗試以90°V形彎曲觀察純鈦於回彈之特性，以尋求在模具設計時應考慮之補正量。並且針對引伸加工常用之潤滑劑探討其潤滑效果。綜合以上作為模具設計者之參考。

目錄
目錄 Ⅰ
圖目 Ⅲ
表目 Ⅹ
第一章 緒論
1.1 前言 1
1.2 鈦 3
1.3 研究動機與目的 7
1.4 文獻回顧 11
1.5 研究方法與步驟 14
1.6 論文總覽 17
第二章 材料機械性質試驗
2.1應力應變曲線 19
2.1.1實驗設備與程序 19
2.1.2實驗結果 25
2.2異向性指數（r值）試驗 33
2.2.1實驗設備與程序 34
2.2.2實驗結果 36
2.3成形極限實驗 38
2.3.1圓格分析法與成形極限曲線之判讀 38
2.3.2圓格印製及成形極限曲線繪製 39
2.3.3實驗設備與試片準備 41
2.3.4成形極限曲線之建立 42
第三章 沖壓模具設計
3.1沖壓機械選擇 46
3.2模具材料之選擇 48
3.3母模與壓料板 49
3.4模具基座 51
3.5母模與壓料板間之導引 54
3.6壓料板壓力 54
3.6沖頭 55
第四章 成形性試驗
4.1圓杯引伸 60
4.1.1實驗設計 61
4.1.2 實驗結果 65
4.2摩擦係數實驗 69
4.1.1摩擦實驗設計 69
4.1.1表面粗度之量測 71
4.2.3潤滑劑之選擇 73
4.2.4實驗結果與討論 74
4.3回彈試驗 77
4.3.1實驗設計 77
4.3.2 實驗結果 80
第五章 結論
5.1結論 83
參考文獻 85

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