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Tungsten, Molybdenum, & Niobium

Tungsten, Molybdenum, & Niobium

Tungsten, Molybdenum, & Niobium

(OP)
Can an one help me determine a possible material for this application.  I acts as a brake type pad and is made up of the following material.
Molybdenum : 43%
Niobium:     18%
Tungsten:    30%
Iron:        REM
why would you use Niobium?

Thanks,

RE: Tungsten, Molybdenum, & Niobium

I think Niobium (Columbium) may add some oxidation resistance to that mixture.

- Ben T

RE: Tungsten, Molybdenum, & Niobium

I would analyze for carbon and nitrogen as well.  It looks like you're dealing with a cermet material, with everything in the form of carbides or carbonitrides, perhaps the iron is a binder.

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