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| The production process and microstructure of Nickel-based
powder metallurgy（PM）superalloy FGH4097 |
| XU Ming1，HOU Qiong2，3，LI Chang4，YANG Sheng5，LIU Jiantao2，3，QU Jinglong2，3 |
| 1Major Special Equiment Project Management Center of Navy Equipment Department，Beijing 100071，
China；2GAONAAero Material Co.，Ltd.，Beijing 100081，China；3High Temperature Materials Research
Institute，CISRI，Beijing 100081，China；4AECC Guizhou Liyang Aviation Power Co.，Ltd.，Guiyang
550014，China；5 AECC Guiyang Aero-Engine Research Institute，Guiyang 550081，China |
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Abstract The research work on the composition design，production process and microstructure of high alloying
γ′ phase precipitation enhanced Nickel-based powder metallurgy（PM）superalloy FGH4097 developed in China in
the early 21st century were summarized in this paper. The further investigation in improving the material utilization
of FGH4097 turbine disk was discussed.
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Received: 29 September 2020
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2020, Vol. 30 
