粉末冶金γ-TiAl系合金的性能及成形工艺

1.航天材料及工艺研究所,北京,100076

2.航天材料及工艺研究所,北京,100076

3.航天材料及工艺研究所,北京,100076

4.航天材料及工艺研究所,北京,100076

5.航天材料及工艺研究所,北京,100076

Properties and Forming Technologies of P/M γ-TiA1 Based Alloy

利用预合金球形粉末,制备了高性能的粉末冶金TiAl系合金材料,对其性能和微观组织做了测试和分析,并介绍了粉末冶金γ-TiAl系合金的钎焊工艺和研制的部分典型样件.研究结果发现:粉末冶金TiAl系合金具有较高的力学性能、细小的微观组织和优异的抗氧化性能,能够成为研制某些飞行器的备选材料.

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