{HEAD ~ The carrier} is a metal matrix composite, formed by sintering, hot pressing or by an infiltration process, and comprising tungsten metal particles in a metal binder phase, or {TAIL ~ a mixture} of tungsten metal particles and tungsten carbide particles in a metal binder phase 
{ HEAD ~ The carrier } is a metal matrix composite , formed by sintering , hot pressing or by an infiltration process , and comprising tungsten metal particles in a metal binder phase , or { TAIL ~ a mixture } of tungsten metal particles and tungsten carbide particles in a metal binder phase
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH