Centre National De La Recherche Scientifique

Seb S.a.

Universite Dé Lorraine

Alexandre Mege-Revil

Stephane Tuffe

Stéphane Tuffe

Jean-Francois Pierson

Philippe Pigeat

Simon Allemand

Frederic Tessier

Jean-François Pierson

Frédéric Tessier

Provided is a food cooking surface for a cookware item or an electrical household cooking appliance, consisting of a deposit of nitride of metal elements on a substrate, the metal elements of the deposit comprising one or more X transition metal(s) and aluminium. The production of the deposit comprises a nitridation step in arder to obtain a coating of type (X,Al)N. According to the invention, the (X,Al)N-type coating is a coating of nitride(s) of the one or more X transition metal(s), enriched with aluminium, in which niobium and/or zirconium is/are make up the most part of the X transition metal(s), the atomic ratio of aluminium in the metal elements of the deposit being at least equal to 20%. Also provided are cookware items and electrical household appliances intended for the cooking of food, comprising the above-mentioned type of cooking surface.

Stain-resistant cooking surface and cookware item or electrical household appliance comprising such a cooking surface

Growing community of inventors

Villeneuve d'Ascq, France

Alexandre Mege-Revil