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研究生:蔡鈞宇
研究生(外文):Tsai, Chun-Yu
論文名稱:分光型雷射光路系統應用於選擇性雷射熔融技術
論文名稱(外文):Selective Laser Melting Process by Multi-beam Laser System
指導教授:鄭中緯
指導教授(外文):Cheng, Chung-Wei
口試委員:李安謙張峻銘
口試日期:2017-07-27
學位類別:碩士
校院名稱:國立交通大學
系所名稱:機械工程系所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:78
中文關鍵詞:繞射元件分光選擇性雷射熔融快速製造平坦化
外文關鍵詞:diffractive optical elementmulti-beamselective laser meltingrapid manufacturingflat plan
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  • 被引用被引用:3
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目錄
摘要 ii
ABSTRACT iii
致謝 iv
目錄 v
圖目錄 vii
表目錄 xi
第一章 緒論 1
1.1 研究動機與目的 1
1.2 文獻回顧 5
第二章 粉末床熔融技術與SLM介紹 19
2.1 粉末床熔融技術介紹 19
2.2 燒結機制介紹 19
2.2.1 固態燒結 19
2.2.2 液相燒結 20
2.2.3 完全熔融 21
2.2.4 化學誘導燒結 22
2.3 SLM成型機制 22
2.3.1 雷射吸能 23
2.3.2 能量傳遞 25
2.3.3 冷卻固化 26
2.4 殘留應力 27
第三章 分光型SLM實驗系統 29
3.1 分光光學元件介紹 29
3.1.1 液晶空間光調變器 29
3.1.2 繞射光學元件(DOE) 30
3.1.3 遠心掃描透鏡 34
3.2 分光型SLM光路 36
3.2.1 分光型SLM光路介紹 36
3.2.2 光路調控 37
3.3 分光SLM設備介紹 40
3.3.1 平台機構 40
3.3.2 電控模組 41
3.3.3 雷射源 42
第四章 研究方法與實驗結果 44
4.1 實驗流程與參數設定 44
4.2 DOE元件光學量測 46
4.3 線軌跡實驗 50
4.3.1 線軌跡穩定成形實驗 50
4.3.2 分光光斑間距對於線軌跡成形影響 53
4.4 面填滿實驗 58
4.4.1 不同掃描策略對於表面形貌影響 59
4.4.2 不同掃描間距對於表面形貌影響 63
4.4.3 面填滿實驗斷面分析 71
第五章 結果討論與未來規劃 73
5.1 總結 73
5.2 未來工作 73
參考文獻 74
參考文獻
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[8] Matsumoto, M., Shiomi *, M., Osakada, K., and Abe, F., 2001, "Finite element analysis of single layer forming on metallic powder bed in rapid prototyping by selective laser processing," International Journal of Machine Tools & Manufacture, 42, pp. 61–67.
[9] Yadroitsev, I., and Smurov, I., 2011, "Surface Morphology in Selective Laser Melting of Metal Powders," Physics Procedia, 12, pp. 264-270.
[10] Su, W.-N., 2002, "Layered fabrication of tool steel and functionally graded materials with a Nd:YAG pulsed laser," Doctor of Philosophy, Loughborough University.
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[13] Taheri Andani, M., Dehghani, R., Karamooz-Ravari, M. R., Mirzaeifar, R., and Ni, J., 2017, "Spatter formation in selective laser melting process using multi-laser technology," Materials & Design, 131, pp. 460-469.
[14] Chien, C., and Cheng, C., 2013, "Fabrication of the Crystalline ITO Pattern by Picosecond Laser with a Diffractive Optical Element," Journal of Laser Micro Nanoengineering, 8(2), p. 165.
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[16] Gibson, I., Rosen, D., and Stucker, B., 2010, Additive Manufacturing Technologies, Springer Dordrecht Heidelberg London New York.
[17] Vrancken, B., 2016, "Study of Residual Stresses in Selective Laser Melting," Doctoral of engineering science, Leuven Arenberg Doctoral School.
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[32] 劉耀文,「選擇性雷射熔融之單線軌跡建模與驗證」,國立交通大學,碩士論文計畫書,2016。
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