Research progress on hot extrusion process of P/M superalloy
The development and application of hot extrusion process for P/M superalloys in Europe and US were summarized.The research progress of hot extrusion process for P/M superalloys in China was described.The selec-tion principles of extrusion process parameters for Rene 95,Rene 88DT and FGH4096 alloys were introduced.The influence of extrusion process parameters(extrusion ratio,extrusion speed,extrusion temperature,etc.)on the ex-trusion forming,microstructure and properties of P/M superalloys was emphatically expounded.The evolution be-havior of non-metallic inclusions in P/M superalloys during hot extrusion was clarified.
P/M superalloyhot extrusionextrusion rateextrusion speedextrusion temperature
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