臺灣博碩士論文加值系統

本研究採用準連續法(Quasi-continuum, QC)分析銅粗糙表面的壓印與切削特性，材料的方向性為[110][001]進行壓印與切削的模擬。壓印的部分藉由改變材料表面粗糙度，以矩形或半圓形的剛性壓模與表面粗糙度Ra的形式，探討壓印過程產生的變化與材料的成形性與堆積的現象。在壓印效應結果表明，平均壓印力會隨著粗糙度的增加而減少，粗糙度表面在壓印時，會受到深度與表面的限制，而造成內部應力分布產生不規則的現象。切削的部分，藉由調整正隙角與負隙角的鑽石結構刀具角度，對不同的粗糙表面進行切削，在切削效應結果表明，隨著粗糙面及切削角度的不同，所產生的切削比、平均切削力、阻力係數，皆會產生不同影響。尤其以8˚的刀具隙角及負隙角來進行切削時，所產生的效應會與其它角度較為不同，此外，在切削Ra=5 Å的基板表面時，其造成的切削比與切削效應會比其它粗糙表面來的優異。

In this study, the Quasi-continuum(QC) method was used to analyze the imprinting and cutting characteristics of the rough copper surface. The directionality of the material was [110] [001] to simulate the imprinting and cutting. By changing the surface roughness of the material, in the form of a rectangular or semi-circular rigid stamper and surface roughness Ra, the part of the imprint is discussed to discuss the changes in the imprint process and the formability and accumulation of the material. The imprint effect results show that the average imprint force will decrease with the increase of roughness, and the roughness of the surface will be limited by the depth and surface when imprinting, resulting in irregular phenomena in the internal stress distribution. In the cutting part, by adjusting the angle of the diamond structure cutter with positive and negative rake angles, the different rough surfaces are cut. The cutting effect results show that with the rough surface and the different cutting angles, the cutting ratio, The average cutting force and resistance coefficient will have different effects. Especially when cutting with 8˚ tool rake angle and negative rake angle, the effect will be different from other angles. In addition, when cutting the Ra=5 Å substrate surface, the cutting ratio and cutting effect will be compared. Excellent from other rough surfaces.

摘要 i
Abstract ii
誌謝 iii
目錄 ix
表目錄 vi
圖目錄 vii
符號表 xi
第1章 緒論 1
1.1前言 1
1.2研究動機與目的 2
1.3文獻回顧 3
1.4本文架構 7
第2章 模擬方法 8
2.1準連續方法理論介紹 8
2.2局部區域建立與計算方法 12
2.3非局部區域有效能量計算方法 13
2.4局部與非局部區域的耦合計算 15
2.5局部與非局部區域的判別機制 16
2.6自適應網格的方法 16
第3章 矩形壓模之表面粗糙度壓印特性 18
3.1粗糙度壓印效應分析 18
3.2模擬之物理模型 18
3.3矩形壓模對不同粗糙表面的影響 23
3.4粗糙壓模對不同粗糙表面的影響 27
3.5不同方向性對粗糙表面的影響 32
第4章 半圓球壓模之表面粗糙度壓印特性 37
4.1模擬之物理模型 37
4.2半圓球形壓模對不同粗糙表面的影響 40
4.3半圓球形壓模對不同傾斜度的壓印效應 42
4.4週期負載下壓印效應分析 44
第5章 材料表面粗糙度之切削特性 54
5.1粗糙度切削效應分析 54
5.2模擬刀具之物理模型 54
5.3不同隙角對粗糙表面之影響 58
5.4不同負隙角對粗糙表面之影響 73
第6章 結論與未來展望 86
6.1結論 86
6.2未來展望 88
參考文獻 89
個人簡歷 97

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