摘要: |
对粉末镍基高温合金FGH4586采用不同热等静压工艺成形后的力学性能进行测试,并对其显微组织进行分析。结果表明,对于FGH4586粉末冶金镍基高温合金,采用1200℃、140MPa保温3h的热等静压成形,合金完全致密,密度达到8.38g/cm3,能够使碳化物在合金晶内和晶界均匀析出,获得均匀的组织和较佳综合力学性能的合金。 |
关键词: 粉末高温合金FGH4586;热等静压;显微组织;性能 |
基金项目: |
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Research on Microstructure and Properties ofP/M Superalloy FGH4586 |
Chang Jian Lv Hongjun Yao Caogen
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Aerospace Research Institute of Materials and Processing Technology, Beijing 100076
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Abstract: |
The microstructure and properties of the P/M superalloy FGH4586 by different HIPed are studied. The results show that the alloy can be completely dense as 8.38g/cm3 after 1200℃/140MPax3h HIPed and achieve the better mechanical property with evenly distributed microstructure. |
Key words: P/M Superalloy FGH4586;hot isostatic pressing;microstructure;properties |