SINTERED COMPACT OF NOBLE METAL AND ITS PRODUCTION

PURPOSE:To inexpensively produce a high-density sintered compact of noble metal excellent in surface characteristics and having complicated shape by adding and mixing a binder to and with a pulverized noble metal powder of specific grain size, molding the resulting mixture, heating and degreasing th...

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Bibliographische Detailangaben
Hauptverfasser:	MAKIISHI YUKIO, YOSHIMURA KEISUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	PURPOSE:To inexpensively produce a high-density sintered compact of noble metal excellent in surface characteristics and having complicated shape by adding and mixing a binder to and with a pulverized noble metal powder of specific grain size, molding the resulting mixture, heating and degreasing the resulting molded part to regulate carbon content to a specific value, and then exerting sintering. CONSTITUTION:A binder is added to a pulverized powder of noble metal having =10kgf/cm to regulate relative density to >=98%. By this method, the sintered compact of noble metal excellent in surface characteristics, such as mirror- finish characteristics, and having complicated shape can be obtained in large quantities.