METAL GASKET

A metal gasket includes embossments that exhibit essentially full functional recovery and full retained internal stress at temperatures up to about 1000° F. which is made from sheet material that is cold rolled and whose embossments are work hardened without any post embossment heat treating that wo...

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Bibliographische Detailangaben
Hauptverfasser:	TRIPATHY, BHAWANI, ZURFLUH, THOMAS, O
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CHEMISTRY COMBUSTION ENGINES CYLINDERS CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING METALLURGY PISTONS SEALINGS THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	A metal gasket includes embossments that exhibit essentially full functional recovery and full retained internal stress at temperatures up to about 1000° F. which is made from sheet material that is cold rolled and whose embossments are work hardened without any post embossment heat treating that would act to harden the material. This material may also receive a precipitation hardening heat treatment prior to being embossed. The gasket materials include alloys having greater than about 18% Ni, greater than about 14% Cr, from about 0.1 to 10% of at least one of Mo, Ti, V, Al, Co, Nb, Ta or Cu and the balance Fe with incidental impurities, which are cold rolled without any post embossment heat treating that would act to harden the material.