Numerical Simulation of Marangoni flow field of Selective Laser Sintering of Polyamide 6 Powder

摘要：

　　In this paper,we investigated polyamide 6 single layer laser sintering process.The temperature filed distributions with different energy density were achieved using the finite element method.In addition,we investigated the Marangoni flow filed and achieved the relationship between process parameters and Marangoni flow field.The results indicate that the Marangoni flow strongly influences the temperature field and the fluid flow: with the energy density increases,the convective heat transfer becomes intensely,so the heat in the pool center spreads faster,the high temperature area becomes relatively smaller,and the molten pool becomes wide and shallow.According to the relationship between energy density and Marangoni flow field,we can optimize the SLS process parameters and get the better parts.

作者: Jinzhe Wu Xiang Wang Jinjin Zheng

作者单位: Department of Precision Machinery and Precision Instrument,University of Science and Technology of China,Hefei,Anhui,230026,China

会议类型: 国际会议

会议名称: The 1st International Symposium on Application of Materials Science and Energy Materials (SAMSE 2017)

会议地点: 上海

会议语种:英文

页码: 1-6

在线出版日期: 2017-12-28（万方平台首次上网日期，不代表论文的发表时间）