Cooking vessel for induction heating and alloy and method for producing such a vessel
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Dec 1, 1999
filing date -
Dec 1, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cooking vessel intended to be induction heated, comprising a heating part made of a ferromagnetic alloy having a Curie temperature of between 150.degree. C. and 370.degree. C. and a magnetostriction coefficient .lambda..sub.s.ltoreq.5.times.10.sub.-6 in absolute value. FeNiCuX ferromagnetic alloy for the manufacture of the cooking vessel, the chemical composition of which comprises from 50% to 85% of Ni, less than 50% of Cu, less than 12% of X=Cr+Mo+Mn+Si+Al+W+Nb+V+Ti, the balance being iron and impurities; the composition satisfies the relationships (35/25).times.(75-Ni).ltoreq.Cu.ltoreq.(50/35).times.(85-Ni) and (7/20).times.(Ni-65).ltoreq.X.ltoreq.(12/35).times.(Ni-50). Production method and method of use.
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