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by 7075-T7
Fri Feb 05, 2010 8:26 am
Forum: General Gun, Shooting & Equipment Discussion
Topic: How would I recognize an MIM part?
Replies: 16
Views: 2465

Re: How would I recognize an MIM part?

Ok, pistols use MIM parts, but think about this. ALL Tungsten-carbide parts are sintered parts with binders in them. So are ceramics. Proper sintering allows ample time for atomic diffusion to decrease the voids in the material to a point where they are no longer an issue. This is why the part always gets smaller after sintering.

I would much rathar have a quality MIM part which was properly sintered after formation and made with wuality raw materials than a part made of cheap mild steel billet which was hot forged and then not properly tempered.l

As for being able to tell a MIM part from a part made of bar stock, it all depends on the type and temper of the bar stock part and they type of fracture.

Just like with aluminum parts, one manufacturers "high strength" aluminum might be a 5052-H32 with a yield strength of 28ksi where anothers could be 6061-T6 with a yield of 40ksi. Everything is relative.

IAAME (I am a Materials/Mechanical Engineer)

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