Study on Direct Hot Isostatic Pressing Technology for Superalloy Inconel 625

Ji Wei Wang; Qing Song Wei; Guo Cheng Liu; Yu Kun He; Yu Sheng Shi

doi:10.4028/www.scientific.net/AMR.189-193.2935

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Study on Direct Hot Isostatic Pressing Technology for Superalloy Inconel 625
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Study on Direct Hot Isostatic Pressing Technology...

Study on Direct Hot Isostatic Pressing Technology for Superalloy Inconel 625

Abstract:

Inert gas atomized (IGA) superalloy Inconel 625 powder was consolidated by hot isostatic pressing (HIPing) directly under the HIPing parameters of 1100°C/110MPa/3h. The structure and properties of the as–HIPed samples were investigated using optical microscopy (OM), scanning electron microscopy (SEM) and tensile tests at room temperature, and its relative density was measured by drainage. The fracture surface morphology of the tensile specimens have been investigated using SEM. The results showed that full density alloy can be obtained under the HIPing parameters of 1100°C/110MPa/3h. Due to the effect of prior particle boundaries (PPBs), the strength of the as-HIPed alloy is comparatively high, but its ductibility is comparatively low.

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Periodical:

Advanced Materials Research (Volumes 189-193)

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2935-2938

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.2935

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Online since:

February 2011

Authors:

Ji Wei Wang, Qing Song Wei, Guo Cheng Liu, Yu Kun He, Yu Sheng Shi

Keywords:

Hot Isostatic Pressing (HIP), Inconel 625, Superalloy

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