METAL PARTICLE

A metal particle for joint material includes an intermetallic compound crystal that contains Sn, Cu, Ni and Ge, in a basal phase that contains Sn and an Sn-Cu alloy, the metal particle having a chemical composition represented by 0.7 to 15% by mass of Cu, 0.1 to 5% by mass of Ni, 0.001 to 0.1% by ma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SEKINE, Shigenobu
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A metal particle for joint material includes an intermetallic compound crystal that contains Sn, Cu, Ni and Ge, in a basal phase that contains Sn and an Sn-Cu alloy, the metal particle having a chemical composition represented by 0.7 to 15% by mass of Cu, 0.1 to 5% by mass of Ni, 0.001 to 0.1% by mass of Ge and the balance of Sn, the basal phase having a chemical composition represented by 95 to 99.9% by mass of Sn, 5% by mass or less of Cu and 0.1% by mass or less of an inevitable impurity, the intermetallic compound crystal residing in the basal phase so as to be included therein, the metal particle having a particle size of 1 μm to 50 μm, the metal particle containing an orthorhombic crystal structure, and at least parts of the basal phase and the intermetallic compound crystal forming an endotaxial joint.