2015年9月29日星期二

Shenzhen Metal Injection Molding Manufacturer Analyze MIM Powders

There are two main types of MIM injection molding powders. They are water atomized powders and gas atomized powders.  Following analysis of the composition and morphology  for those two powders are from a Shenzhen MIM injection molding manufacturer ZCMIM .

Water Atomised  powders for Metal Injection Molding MIM
l   Irregular shape
l   High proportion of oxide particles/impurites
l   Thick oxide layer, rich in SiO2
l   Low packing density

Gas Atomised powders  for Metal Injection Molding MIM
l   Regular, spherical shape
l   Low proportion of oxide particles/impurites
l   Thin oxide layer, typically ~2nm
l   High packing density ~65% theoretical  max


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