The effects of powder size distribution on properties of TC4 titanium alloy powder injection molding feedstock
Metal powder injection molding technology is an advanced processing method of titanium alloy.The quality of injection molding products is closely related to the properties of feedstock,uniformity and rheological properties are important indexes to feedstock.In this paper,the effect of spherical powder size distribution on the properties of TC4 titanium alloy feedstock was studied by microscopic morphology analysis,uniformity and rheological properties analysis.The results show that the loading of feedstock can be effectively enhanced by increasing the distribution width of spherical powder size.Reducing distribution width of powder size is condu-cive to improving the uniformity of feedstock.Increasing the spherical particle size and reducing distribution width of powder size are two approaches to enhance the fluidity of feedstock.
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