JOINTED BODY COMPRISING METAL LAYER AND CERAMIC LAYER AND MANUFACTURE

For solid state bonding, the faces of ceramic and metal parts to be bonded are placed together, acted upon by a gage pressure if desired, and are heated to a bonding temperature which is under their melting temperatures so that an inbetween or intermediate layer is formed between the two parts. For...

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Bibliographische Detailangaben
Hauptverfasser:	GERUHARUTO ERUSUNAA, BUORUFUGANGU DEIIMU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DENTISTRY HUMAN NECESSITIES HYGIENE LIME, MAGNESIA MACHINE TOOLS MEDICAL OR VETERINARY SCIENCE METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS REFRACTORIES SLAG SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF NATURAL STONE WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	For solid state bonding, the faces of ceramic and metal parts to be bonded are placed together, acted upon by a gage pressure if desired, and are heated to a bonding temperature which is under their melting temperatures so that an inbetween or intermediate layer is formed between the two parts. For increasing the bond strength the metal used is one undergoing a phase transition on cooling down from the bonding temperature, the phase in existence at the bonding temperature having a smaller volume than the phase stable at room temperature, so that the decrease in the volume of the metal as dependent on the coefficient of thermal expansion is balanced at least to some degree by the volume change on phase transition.