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- W2347983485 abstract "High volume fraction diamond particles reinforced Cu matrix composites are difficult to be machined due to high hardness.The net-shape forming has been successfully realized by combined process of diamond preforms by powder injection molding and then infiltrating the preforms with the copper.Critical processes involved in powder injection molding of diamond powder coated by Cr layer and Cu layer,including the choice of the binder,the injection molding process,the sintering process,were studied.The results show that feedstocks have excellent rheological properties and higher solid volume fraction using the binder composed of 70% paraffin,25% high density polyethylene and 5% stearic acid as the carrier of diamond powder injection molding.Adopting the above binder,the best injection temperature is 165～175 ℃ and the injection pressure is 80～90 MPa.The best sintering conditions of injected diamond preforms by debinding is at 1 050 ℃ for 25 min at which the preforms strength can reach 10 MPa and open porosity is close to be 100%." @default.
- W2347983485 created "2016-06-24" @default.
- W2347983485 creator A5005294489 @default.
- W2347983485 date "2013-01-01" @default.
- W2347983485 modified "2023-09-23" @default.
- W2347983485 title "Preparation of porous diamond preforms for copper infiltration" @default.
- W2347983485 hasPublicationYear "2013" @default.
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