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对喷射沉积技术制备的Al－Si－Fe－Cu－Mg合金沉积态、挤压态及挤压后热处理态的微观组织进行厂观察和分析，并对合金在后两种状态下的室温和高温拉伸性能进行了测试，提出了合金的强化和断裂机制
The microstructure of Al-Si-Fe-Cu-Mg alloy prepared by spray deposition was observed and analyzed in the as-deposited, extruded and post-extrusion heat treated states. The effects of room temperature and high temperature Tensile properties were tested and the strengthening and fracture mechanism of the alloy was proposed