Need suggestions on grits & abradable powder
12-14-2007, 10:27 AM
|Need suggestions on grits & abradable powder
can someone guide me about the availability of following abradable powders with composition (75%Ni,5%Al,20Carbon) & (60%Ni,15%Cr,24%carbon, 1%Si). variation in composition upto15% will be ok.
application technique is plasma spraying.
plz also suggest grit(type & size) for grit blasting on aluminium and steel substrates.
12-14-2007, 06:17 PM
|RE: Need suggestions on grits & abradable powder
Not come across any of these compositions that are readily available. The closest seems to be 75/25 or 80/20 nickel/graphite which is usually combustion sprayed. NiCr based abradables usually have bentonite or boron nitride additions instead of graphite.
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