Safran Aircraft Engines

Safran

Snecma

Jean-Christophe Rietsch

Robin Mandel

Emilie Goncalves

Helene Cecile Elise Quillent

Hélène Quillent

Benedicte Marie Le Borgne-Jourdan

Bénédicte Le Borgne

The invention relates to a method for fire protection (S) of a part () of a gas-turbine engine made of a composite material comprising a main fibrous reinforcement compregnated by a main matrix, the protection method (S) comprising the following steps: preforming (S) a panel of prepreg () such as to grant same a shape corresponding to the shape of a surface () of the part () to be protected against fire, said panel of prepreg () comprising a secondary fibrous reinforcement compregnated by a secondary matrix; applying (S) the panel of prepreg () thus preformed to the part (); and securing (S) the panel of prepreg () to the surface () by thermal treatment of the part () provided with said panel of prepreg () in order to obtain a fire-protection layer ().

Fire protection of a part made of a three-dimensional woven composite material

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Coudray-Montceaux, France

Jean-Christophe Rietsch