| 摘要 |
Fibrous preform for a turbomachine blade and monobloc blade that can be formed from such a preform, bladed disk and turbomachine comprising such a blade; the fibrous preform, obtained by three-dimensional weaving, comprising a first longitudinal section able to form a blade root (21), a second longitudinal section extending the first longitudinal section upwards and able to form an air foil part (22), a first transverse section extending transversely from the junction between the first and second longitudinal sections and able to form a first platform (23), and a first stiffening strip extending downwards form the distal end of the first transverse section and able to form a first platform stiffener (25). |
