Study on the Influencing Factors of the Properties of Precision Casting Powder Materials for 3D Printing
Author of the article:YAN Shenghui;LI Tiancai;ZHANG Lu;YANG Yang
Author's Workplace：National Intelligent Foundry Innovation Center Co.,Ltd.,Yinchuan 750021,China
Key Words：3D printing types of refractory powder mesh number of powder flux type calcination temperature
Abstract：The influences of refractory powder types,mesh number of powders,flux types and calcination temperature on the high temperature compressive strength,high temperature tensile strength,size shrinkage and surface roughness of precision casting powder for 3D printing were studied by orthogonal experiment.The results show that the final materials of 3D-printing precision casting powder is 325-mesh zirconia powder with copper oxide and roasted at 1400℃to obtain a high-performance shell with compressive strength of 45.42 MPa,tensile strength of 6.78 MPa,dimensional shrinkage rate of 6%and surface roughness Ra of 3.45.
