Process for Adhering Solid Lubricant to Surface of Interference Fit Fastener

A method for treating surfaces of fasteners made of titanium alloy or corrosion-resistant steel using a sol-gel pretreatment process prior to the application of an aluminum pigment coating. The sol-gel pretreatment process produces an interface film on the fastener surface, which interface film comp...

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Bibliographische Detailangaben
Hauptverfasser:	Simpson, Blake A, Sisco, Tanni
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 DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING 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 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:	A method for treating surfaces of fasteners made of titanium alloy or corrosion-resistant steel using a sol-gel pretreatment process prior to the application of an aluminum pigment coating. The sol-gel pretreatment process produces an interface film on the fastener surface, which interface film comprises an organometallic-based network system. The interface film aids in improving adhesion and surface roughness when fasteners are used in interference fit conditions (i.e., the hole diameter is smaller than the fastener shank diameter).