What Is Powder Fluidity Or Bulk Density In 3D Printing

       

What conditions should metal powder meet to meet the material requirements of 3D printing? We should consider purity, powder particle size distribution, powder morphology, powder fluidity and bulk density. Powder fluidity directly affects the uniformity of powder spreading and the stability of powder feeding in the printing process.

The fluidity is related to the powder morphology, particle size distribution and loose density. The larger the powder particle, the more regular the particle shape and the smaller the proportion of very fine powder in the particle size composition, the better the fluidity; The particle density remains unchanged, the relative density increases, and the powder fluidity increases. In addition, the adsorption of water and gas on the particle surface will reduce the fluidity of the powder.

Loose density refers to the powder mass per unit volume when the powder sample is naturally filled with the specified container. Generally, the coarser the powder particle size, the greater the loose density. The powder with thickness matching can obtain higher loose density. The influence of loose density on the density of the final metal printing product is uncertain, but the increase of loose density can improve the fluidity of the powder.

 

For more information about the 3D printing powder, spraying coat powder, or WC based powder, you may search online wococarbide. Wococarbide.com provides various products and technical questions and answers.

What conditions should metal powder meet to meet the material requirements of 3D printing? We should consider purity, powder particle size distribution, powder morphology, powder fluidity and bulk density. Powder fluidity directly affects the uniformity of powder spreading and the stability of powder feeding in the printing process.

The fluidity is related to the powder morphology, particle size distribution and loose density. The larger the powder particle, the more regular the particle shape and the smaller the proportion of very fine powder in the particle size composition, the better the fluidity; The particle density remains unchanged, the relative density increases, and the powder fluidity increases. In addition, the adsorption of water and gas on the particle surface will reduce the fluidity of the powder.

Loose density refers to the powder mass per unit volume when the powder sample is naturally filled with the specified container. Generally, the coarser the powder particle size, the greater the loose density. The powder with thickness matching can obtain higher loose density. The influence of loose density on the density of the final metal printing product is uncertain, but the increase of loose density can improve the fluidity of the powder.

 

For more information about the 3D printing powder, spraying coat powder, or WC based powder, you may search online wococarbide. Wococarbide.com provides various products and technical questions and answers.