B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 23/18 (2006.01) B22F 3/02 (2006.01) B22F 8/00 (2006.01) B22F 9/04 (2006.01) C22B 1/248 (2006.01) C22B 7/00 (2006.01) C22B 34/10 (2006.01)
Patent
CA 2144772
A clean refractory metal SWARF particle product is made from refractory metal SWARF. The SWARF particles are produced with coolant at a temperature of less than 650 °C to prevent formation of refractroy metal oxides and ni- trides. The SWARF particles are comminuted to reduce the particle size of the SWARF slivers and to liberate residual coolant. The comminuted SWARF slivers are washed with a displacement wash to remove the bulk of the coolant and subject to a counter-current wash to remove substantially all of the coolant components to produce clean SWARF parti- cles. The clean SWARF particles can be pressed into bri- quettes and sintered at elevated pressures or mixed with an alkali metal refractroy metal halide salt, pressed at elevated pressures into SWARF/salt briquettes and dried. The bri- quettes are non-pyrophoric.
Macrae & Co.
Megy Joseph A.
LandOfFree
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