| 简介 |
The present invention relates to a process for manufacturing a process for manufacturing a part made of a magnesium alloy, comprising a step of forging a block of said alloy followed by a heat treatment, characterized in that the alloy is a casting alloy based on 85% magnesium, and containing, by weight : 0.2 to 1.3% zinc; 2 to 4.5% neodymium; 0.2 to 7.0% rare-earth metal with an atomic weight from 62 to 71; 0.2 to 1% zirconium, and in that the forging is carried out at a temperature above 400° C. In particular the temperature is set between 420 and 430° C. and the forging step comprises a plastic deformation carried out at a slow rate.
The process allows to produce parts such as elements of casing for aeronautical machines, operating at a temperature of around 200° C. and having good aging properties. |
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