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采用喷射成形方法制备了不同成分的Al-Fe-V- Si耐热铝合金, 对喷射成形工艺参数进行了优化, 对沉积坯件的热挤压工艺进行了探索, 对材料的组织进行了分析, 并对不同成分材料的性能进行了比较. 结果表明: 当喷射成形工艺参数选择合理时, 沉积坯件具有良好的成形性与致密度, 在随后的热挤压过程中, 通过较低的挤压比即可使材料达到全致密; 沉积坯件热挤压温度的降低有利于使材料获得更高的力学性能; 同时, 通过对合金成分的优化, 可以获得加工和使用性能更加优良的Al-Fe-V-Si耐热铝合金.

参考文献

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