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橢球型鉑奈米粉末應用在3D列印之研究

摘要


運用分子動力學方法模擬橢球型鉑奈米粉末在金屬3D列印製程中,分析橢球型鉑奈米粉末在室溫環境下與雷射燒結製程過程之中的情況,分析其熱機特性,並找出最佳的製程參數。在室溫環境之下,橢球型鉑奈米粉末會自體燒結,均方根位移會隨著加熱速率和製程溫度的升高而上昇,加熱速率越慢,鉑原子的擴散越均勻。鉑奈米粉末之聚結溫度為841K-1435K,熔化溫度為1138K-1485K,皆比巨觀尺度鉑的熔化溫度2041.4K低很多。本文運用國研院國網路中心的超級電腦(台灣杉一號,16核心)運算速度,比起家用筆記型電腦平均快了三倍以上。

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參考文獻


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