Raw material powder for laser clad valve seat and valve seat using the same

There are disclosed a laser clad valve seat raw-material powder superior in productivity, cladding property, wear resistance and finishing property, and a laser clad valve seat using the same superior in wear resistance. The row-material powder comprises a powder mixture comprising: 80 to 99 % by we...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUMOTO, SHINGO, OKITA, TOMOKI, TSUYUMU, TAKASHI, ASAMI, MAKOTO, YANAGITANI, AKIHIKO, MATSUKI, SHOGO, MATSUO, NOBUKI, TSUJI, YOSHITAKA, SAWADA, TOSHIYUKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	There are disclosed a laser clad valve seat raw-material powder superior in productivity, cladding property, wear resistance and finishing property, and a laser clad valve seat using the same superior in wear resistance. The row-material powder comprises a powder mixture comprising: 80 to 99 % by weight of a Cu-based alloy powder comprising 0.5 to 5 % by weight of B, 0 to 20 % by weight of Ni, 0 to 10 % by weight of Fe plus Co, 0 to 5 % by weight of Si, 0 to 3 % by weight of Al, and the balance Cu and unavoidable impurities; and 1 - 20 % by weight of an Fe or Co based alloy powder having a Vickers hardness of 500HV or higher and an average particle diameter of 50 to 200 µm of and comprising 5 to 40 % by weight of Mo, 0 to 25 % by weight of Cr, 0 to 5 % by weight of Si, and the balance Fe or Co and unavoidable impurities.