What are the effects of powder properties in powder metallurgy?

What are the effects of powder properties in powder metallurgy?

Many products are produced by powder metallurgy molding process, so the performance of powder metallurgy products will not only be affected by the process, but also be limited by the raw powder. However, the properties related to powder in powder metallurgy molding are its particle size and shape, so powder metallurgy molding should be strictly controlled in these two aspects. What should I do?

In practical applications, the particle size of powder metallurgy molding can be in the range of hundreds of nanometers to hundreds of microns, and the smaller the particle size, the greater its activity, so the prepared product surface is easier to oxidize and absorb water. In addition, it is also difficult to store and transport the powder with too small particle size, so we should pay attention to it.

Powder shapes are various, mainly determined by the manufacturing method. Powder metallurgy molding includes dendritic, sponge flakes, spherical powder, eggs, discs, needles, onions, etc. In addition, different shapes also have an impact on the performance of the powder itself, which should be determined according to the actual situation.