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    • 4. 发明公开
    • PROCÉDÉ DE FABRICATION D'UNE PIÈCE MÉTALLIQUE COMPOSITE À RENFORTS INTERNES EN FIBRES, PRÉFORME DE MISE EN OEUVRE ET PIÈCE MÉTALLIQUE OBTENUE
    • 方法用于生产具有HEARTS加固纤维形式的元素的复合金属部件,BLANK具体并将由此获得金属零件
    • EP2504462A1
    • 2012-10-03
    • EP10784770.9
    • 2010-11-24
    • Messier-Bugatti-DowtySnecma
    • MASSON, RichardDUNLEAVY, PatrickFRANCHET, Jean-MichelKLEIN, Gilles
    • C22C47/00C22C47/20
    • C22C47/00C22C47/20
    • During the implementation of a composite metal part by means of the compaction of an insert having reinforcing fibers (14) in a metal body or container (10), the gas used for compaction may enter the cavity (12) formed in the container (10) for receiving the insert (14) between a lid (16) covering the insert (14) and the container (10). Such an ingression can prevent or degrade compaction as well as the diffusion welding of the fiber sheaths of the insert (14) therebetween and/or with the walls (10a) of the cavity (12). In order to solve said problem, the invention comprises pre-welding the lid (16) on the container (10). The present invention comprises initiating the isostatic compaction by means of a phase comprising raising and maintaining the temperature, followed by a phase comprising hot-feeding the pressurized gas, and machining the assembly in order to obtain said part. The temperature raising phase is adjusted so as to carry out a diffusion pre-welding of the material rigidly connecting the pressure-adjusted walls (16a) of the lid and of the container (10a). The invention can be used for designing parts having a tensile and compression resistance, such as parts for aircraft landing gear.
    • 期间由具有在金属体或容器的增强纤维的插入件的压实实现复合金属部分,使用的气体为压实可进入在容器形成的腔体,用于接收盖之间的插入件覆盖所述插入件和容器,它可以防止 或降解它们之间和/或与腔的壁插入物的纤维外鞘的压实和扩散焊接。 为了解决这个麻烦,本发明的方法包括通过相包括提高和维护温度,随之而来的是相包含热供给加压气体,和加工启动等静压成型到组件上以获得部分。 的升温阶段包括材料的扩散预焊接刚性地连接所述盖和容器的压力调整壁。 该方法可用于设计具有拉伸和压缩性,颜色部分:诸如用于飞机起落架的部件。