FRICTIONAL SLIDING MEMBER AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a frictional sliding member having low coefficient of friction and excellent in wear resistance by constituting a thin crystal film of titanium nitride of face-centered cubic structure in which crystal orientation is oriented in the 200} plane. SOLUTION: In the produc...

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Hauptverfasser:	OHATA KOKICHI, YOSHIDA TSUNEMORI, KUWANA NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	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 CYLINDERS DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PISTONS SEALINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a frictional sliding member having low coefficient of friction and excellent in wear resistance by constituting a thin crystal film of titanium nitride of face-centered cubic structure in which crystal orientation is oriented in the 200} plane. SOLUTION: In the production of a frictional sliding member, a stage where titanium is vapor-deposited onto the sliding surface of a base material and a state where the sliding surface is irradiated with nitrogen ion beam are performed simultaneously or alternately to form a thin crystal film of titanium nitride having a face-centered cubic structure in which crystal orientation is oriented in the 200} plane. In this case, vapor deposing grains of titanium are allowed to react, before adhesion to the base material, with nitrogen ions and injected in the form of nitrides into the base material or is allowed to react, after adhesion to the base material, with nitrogen ions and injected in the form of nitrides into the base material, and the surface, to be treated, of the base material is finally coated with a thin crystal film of titanium nitride. Because the thin crystal film is injected, in part, into the base material, this film can be formed into a state of intermetallic bonding to the base material and allowed to adhere firmly to the base material.