C - Chemistry – Metallurgy – 22 – F
Patent
C - Chemistry, Metallurgy
22
F
C22F 1/00 (2006.01)
Patent
CA 2606729
An intermetallic bonded diamond composite composition and methods of processing such a composition are provided by the present invention. The intermetallic bonded diamond composite composition preferably comprises a nickel aluminide (Ni3AI) binder and diamond particles dispersed within the nickel aluminide (Ni3AI) binder. Additionally, the composite composition has a processing temperature of at least about 1 ,200~ C and is processed such that the diamond particles remain intact and are not converted to graphite or vaporized by the high-temperature process. Methods of forming the composite composition are also provided that generally comprise the steps of milling, pressing, and sintering the high-temperature intermetallic binder and diamond particles.
L'invention concerne une composition intermétallique de diamants composites liés et des procédés de traitement de ladite composition. La composition intermétallique de diamants composites liés renferme de préférence un liant de nickel-aluminure (Ni3Al) et des particules de diamant dispersées à l'intérieur du liant de nickel-aluminure (Ni3AI). La composition composite a en outre une température de traitement d'au moins environ 1200°C et est traitée de sorte que les particules de diamant restent intactes et ne soient pas converties en graphite ou vaporisées par le traitement à haute température. L'invention concerne des procédés de réalisation de la composition composite qui consistent à broyer, à comprimer et à fritter le liant intermétallique à haute température et les particules de diamant.
Filip Peter
Wittmer Dale E.
Board Of Trustees Of Southern Illinois University
Gowling Lafleur Henderson Llp
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