臺灣博碩士論文加值系統

由於工業界產業及交通運輸蓬勃發展，其機械構造也因長期運作下有所磨耗，因此為了讓機構能更加抗磨耗，我們使用業界最常使用的三種不同試片(5083、6061-T6、7075-T6)透過往復試驗機做摩擦磨耗實驗，再經過研磨拋光腐蝕後，使用光學顯微鏡(OM)拍攝其金相，研究晶粒與軋延方向之對應關係。本實驗使用荷重10N及20N研究，然而，我們發現在20N時，超出鋁合金負荷，其摩擦係數沒有太大差異；在10N時，5083及7075-T6摩擦係數在平行時較大，6061-T6則是在垂直時較大，故5083和7075-T6在垂直時較耐磨，6061-T6則反之。由此可見，並非所有鋁合金都以垂直軋延來的抗磨耗，透過這個實驗可建立材料耐磨性和抗磨耗的關鍵，降低機具造出的產品不良率，為工業界的機械零組件延長壽命，提升其競爭力更能達到節能之目的。

Due to the vigorous development of industry and transportation in the industrial world, its mechanical structure is also worn due to long-term operation. Therefore, in order to make the tissue more resistant to wear, we used three different test pieces, which are the most commonly used in the industry, for friction and wear experiments with reciprocating test machines. Then, after grinding, polishing and etching, an optical microscope (OM) is used to photograph the metallography to study the correspondence between the crystal grains and the rolling direction. In this experiment, 10N and 20N loads were used for the study. However, we found that at 20N, the friction coefficient of the aluminum alloy is not much different. At 10N, the friction coefficients of 5083 and 7075-T6 are larger when they are parallel, 6061-T6 are larger when they are vertical, and Gu 5083 and 7075-T6 are more wear-resistant when they are vertical, while 6061-T6 is the opposite. It can be seen that not all aluminum alloys can resist the wear of vertical rolling. Through this experiment, the key to the wear resistance and wear resistance of the material can be determined, the product defect rate caused by the machine tool can be reduced, and the mechanical parts of the industry can be expanded. Longevity and improving competitiveness can achieve the purpose of energy saving.

目錄
摘 要 i
英文摘要 ii
誌 謝 iv
表目錄 xi
圖目錄 xii
符號說明 xvi
第一章 緒論 - 1 -
1.1 前言 - 1 -
1.2 研究動機 - 2 -
1.3 文獻回顧 - 2 -
1.3.1 鋁合金相文獻 - 2 -
1.3.2 熱處理相關文獻 - 4 -
1.3.2.1 正火 - 4 -
1.3.2.2 退火 - 4 -
1.3.2.3 淬火 - 4 -
1.3.2.4 回火 - 4 -
1.3.2.5 固溶處理 - 5 -
1.3.2.6 T6熱處理 - 5 -
1.3.3 微動磨耗相關文獻 - 6 -
1.3.4 軋製之相關文獻 - 7 -
1.4 研究背景 - 11 -
1.5 論文架構 - 12 -
第二章 實驗原理與設備 - 13 -
2.1 實驗原理 - 13 -
2.1.1 摩擦作用 - 13 -
2.1.2 接觸電阻 - 14 -
2.2 實驗設備 - 15 -
2.2.1 往復摩擦試驗機暨量測系統(The Reciprocating Friction Tester with Measuring System) - 15 -
2.2.1.1 摩擦係數量測系統(Frication Coefficent Measuring System) - 19 -
2.2.1.2 接觸電阻量測系統(Electrical Contact Resistance System) - 22 -
2.2.1.3 電子訊號與數據擷取處理 - 23 -
2.2.2 實驗設備之調校 - 28 -
2.2.2.1 負荷計與動態應變放大器之調校 - 28 -
2.2.2.2 操作荷重之調校 - 30 -
2.2.2.3 接觸電阻儀調校 - 33 -
第三章 研究方法 - 35 -
3.1 實驗方法 - 35 -
3.2 實驗材料 - 42 -
3.3 實驗條件與參數 - 46 -
3.4 實驗步驟 - 46 -
3.5 實驗注意事項 - 51 -
第四章 - 52 -
觀察晶相與20N下往復摩擦對鋁合金的磨耗影響 - 52 -
4.1 晶相之微觀分析09 - 52 -
4.2 鋁和金在20N下摩擦係數與接觸電阻之動態響應圖 - 54 -
4.2.1 鋁合金5083在20N下摩擦係數與接觸電阻之動態響應圖 - 54 -
4.2.2 鋁合金6061-T6在20N下摩擦係數與接觸電阻之動態響應圖 - 58 -
4.2.3 鋁合金7075-T6在20N下摩擦係數與接觸電阻之動態響應圖 - 62 -
4.3 鋁合金磨耗表面之微觀分析 - 66 -
4.3.1 鋁合金5083磨耗表面之微觀分析 - 66 -
4.3.2 鋁合金6061-T6磨耗表面之微觀分析 - 67 -
4.3.3 鋁合金7075-T6磨耗表面之微觀分析 - 69 -
4.4 鋁合金磨痕深度之分析 - 71 -
4.5 結論 - 74 -
第五章 10N下往復摩擦對鋁合金的磨耗影響 - 76 -
5.1 鋁和金在10N下摩擦係數與接觸電阻之動態響應圖 - 76 -
5.1.1 鋁合金5083在10N下摩擦係數與接觸電阻之動態響應圖 - 76 -
5.1.2 鋁合金6061-T6在10N下摩擦係數與接觸電阻之動態響應圖 - 81 -
5.1.3 鋁合金7075-T6在10N下摩擦係數與接觸電阻之動態響應圖 - 85 -
5.2 鋁合金磨耗表面之微觀分析 - 89 -
5.2.1 鋁合金5083磨耗表面之微觀分析 - 89 -
5.2.2 鋁合金6061-T6磨耗表面之微觀分析 - 90 -
5.2.3 鋁合金7075-T6磨耗表面之微觀分析 - 92 -
5.3 鋁合金磨痕深度之分析 - 94 -
5.4 結論 - 97 -
第六章 結論與未來展望 - 98 -
6.1 結論 - 98 -
6.2 未來展望 - 99 -
參考文獻 - 100 -
作者簡介 - 104 -

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