Mo-cu composite powder

Details Mo-cu composite powder Mo-cu composite powder

C - Chemistry, Metallurgy

22

C

C22C 27/04 (2006.01) B22F 1/02 (2006.01) C01G 5/00 (2006.01) C01G 31/00 (2006.01) C01G 39/00 (2006.01) C22C 1/04 (2006.01) C22C 9/00 (2006.01) H01L 23/373 (2006.01) H05K 1/09 (2006.01)

Patent

CA 2341280

A Mo-Cu composite powder is provided which is comprised of individual finite particles each having a copper phase and a molybdenum phase wherein the molybdenum phase substantially encapsulates the copper phase. The composite powder may be consolidated by conventional P/M techniques and sintered without copper bleedout according to the method described herein to produce Mo-Cu pseudoalloy articles having very good shape retention, a high sintered density, and a fine microstructure.

Une poudre composite molybdène-cuivre, composée de particules individuelles finies qui ont chacune une partie de cuivre et une partie de molybdène et où la partie molybdène enrobe la partie cuivre. La poudre composite peut être consolidée au moyen de techniques conventionnelles de MP et frittée sans exsudation de cuivre, conformément aux méthodes décrites à la présente, afin de produire des articles en pseudo-alliage de molybdène-cuivre qui conservent très bien leur forme, qui ont une masse volumique frittée élevée et une microstructure fine.

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