METHOD FOR PRODUCING SLIDING MEMBER

PROBLEM TO BE SOLVED: To improve the seizure resistance of a sliding member by spraying thermally a coating and by subjecting the member to laser surface treatment. SOLUTION: An Al-Si spray coating 12 provided on a substrate 10 is irradiated with a laser, e.g. by a spottly or linearly, partially hea...

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Bibliographische Detailangaben
Hauptverfasser:	MORI TAKASHI, ASANO HYOE, AZUMA MAKOTO, KOTAI AKI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BEARINGS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING 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 CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING CYLINDERS DIFFUSION TREATMENT OF METALLIC MATERIAL ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PISTONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SEALINGS SHAFTS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM
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Zusammenfassung:	PROBLEM TO BE SOLVED: To improve the seizure resistance of a sliding member by spraying thermally a coating and by subjecting the member to laser surface treatment. SOLUTION: An Al-Si spray coating 12 provided on a substrate 10 is irradiated with a laser, e.g. by a spottly or linearly, partially heated to cause a structural change and modified. The laser irradiated parts 14 are selectively won into recesses to become oil sumps at the time of sliding work, so that a sliding face excellent in seizure resistance is formed.