臺灣博碩士論文加值系統

本研究主要探討銅粉利用粉末噴膠固化製程進行列印金屬之可行性評估。對於銅粉粒徑選用、成分分析；添加硬化劑後粉末之流動性測試；設備最佳硬化配比、硬化時間；燒結參數設定；燒結後，銅部件的成分、機械性質、收縮率及顯微組織分析。
實驗結果顯示，以真空霧化噴粉所製備之銅粉，量測後得到真圓度達0.9以上，適用於3D積層製造鋪粉列印技術上。利用Voxeljet 200型列印機調配出在噴頭噴印出黏結劑量為3 wt%、金屬粉含有1 wt%的硬化劑下，在常溫常壓下，硬化時間縮短為2小時。經由高溫燒結後，燒縮率為6%，成分為α銅及Cu2O。

This study mainly discusses the feasibility evaluation of copper powder using the powder spray curing process to print metal. For copper powder particle size selection, composition analysis; fluidity test of powder after adding hardener; equipment optimal hardening ratio, hardening time; sintering parameter setting; composition, mechanical properties, shrinkage and microstructure of copper parts after sintering Organizational analysis.
The experimental results show that the copper powder prepared by vacuum atomizing dusting has a true roundness of 0.9 or more after measurement, and is suitable for 3D laminate manufacturing and printing printing technology. The Voxeljet 200 printer was used to prepare a hardening agent with a binder dosage of 3 wt% and a metal powder containing 1 wt%. The curing time was shortened to 2 hours at normal temperature and pressure. After sintering at a high temperature, the firing rate was 6%, and the components were α copper and Cu2O.

摘要...................................i
ABSTRACT..............................ii
目錄...................................iv
表目錄.................................vi
圖目錄.................................vii
第一章 緒論...........................1
第二章 文獻回顧及研究動機...............8
2.1 積層製造技術發展現況..................8
2.2 金屬積層製造技術.....................8
2.2.1 積層製造用金屬粉體材料技術..........9
2.2.2 高能量積層製造技術.................11
2.2.3 後處理製程技術.....................12
2.3 金屬積層製造之優勢....................16
2.4 研究動機與目的........................17
第三章 實驗方法與步驟....................18
3.1 研究方法..............................18
3.2 實驗材料..........................21
3.2.1 硬化劑&黏結劑...................21
3.2.2 金屬粉末........................22
3.3 實驗儀器..........................24
3D列印設備(Voxeljet 200)..............24
3.3.2 攪拌設備........................25
3.3.3 材料性質分析設備.................25
3.3.4 後處理製程......................30
第四章 結果與討論......................32
4.1 真空霧化噴粉製程所製備銅粉特性.......32
4.2 酚醛硬化劑對銅粉特性之影響...........34
4.3 硬化劑與黏結劑比例對粉末特性之影響.....36
4.4 積層製造參數之調整...................44
4.5 熱處理方法及其參數對噴印銅立體形狀品質之影響.......46
4.6 燒結後銅部件的元素分析與顯微組織..................49
4.7 燒結後列印銅部件機械性質.........................51
第五章 結論.............................54
參考文獻................................56

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