Wear-resistant part and manufacturing method for same

A tooth (20) that is a wear-resistant part comprises a core (30), and a main portion (25) that is disposed so as to enclose the core (30) and that is made from a first metal. The core (30) comprises a matrix (31) made of a second metal, first hard particles (32) that are dispersed in the matrix (31)...

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Bibliographische Detailangaben
Hauptverfasser:	Amano, Masaharu, Ohishi, Masayuki, Tanaka, Yoshikiyo
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CHEMISTRY DREDGING FERROUS OR NON-FERROUS ALLOYS FIXED CONSTRUCTIONS FOUNDATIONS HAND TOOLS HYDRAULIC ENGINEERING MAKING METALLIC POWDER MANIPULATORS MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS POWDER METALLURGY SOIL SHIFTING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A tooth (20) that is a wear-resistant part comprises a core (30), and a main portion (25) that is disposed so as to enclose the core (30) and that is made from a first metal. The core (30) comprises a matrix (31) made of a second metal, first hard particles (32) that are dispersed in the matrix (31), and a hard structure (33) that extends from the first hard particle (32) in a direction along the metal flow line (25F) of the main portion (25) and that is harder than the matrix (31).