In recent decades, increasing demand for
stainless steel powder metallurgy, MIM technology developed rapidly, can be
applied to the material system include: Fe-Ni alloy, stainless steel, tool
steel, heavy alloy, tungsten carbide, titanium, nickel-based superalloys,
intermetallic compounds, alumina, zirconia, and the like. Metal powder
injection molding technology requirements of sub-micron particle size, shape,
nearly spherical.
In addition to the bulk density of the
powder, tap density, powder aspect ratio, the natural slope angle, particle
size distribution also has certain requirements. The main method of production
of metal powder injection molding technology are: water atomization, gas
atomization, carbonyl. Powder grades of stainless steel commonly used for
injection are: 304L, 316L, 317L, 410L, 430L, 434L, 440A, 440C, 17-4PH like.
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