Hot Isostatic Pressing of Ti6Al4V Alloys Monolithic Bladed Disks

Peng Ju Xue; Yan Wu; Qing Song Wei; Yu Sheng Shi

doi:10.4028/www.scientific.net/AMM.496-500.279

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 496-500Hot Isostatic Pressing of Ti6Al4V Alloys...

Hot Isostatic Pressing of Ti6Al4V Alloys Monolithic Bladed Disks

Abstract:

Near-net-shaping hot isostatic pressing (NNS-HIP) method was used for once-forming complex monolithic Ti6Al4V alloy bladed disks manufacturing. The complex monolithic bladed disks were formed successfully in a near-net-shape manner using the proposed HIP mold scheme in this study. The results showed that there were fine and homogeneous strip α+β phases and no obvious pores or cracks were detected. A "layered" phenomenon was observed in as-built part microstructure. The tensile strength value of specimens from the NNS-HIP bladed disks in the same furnace reached 900MPa, which was higher than the values of parts manufactured using casting and forging processes. The fracture morphology analysis showed that the sample had a ductile fracture. This study provides a reference to the NNS-HIP for the bladed disk parts manufacturing.

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Periodical:

Applied Mechanics and Materials (Volumes 496-500)

Pages:

279-283

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.496-500.279

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Online since:

January 2014

Authors:

Peng Ju Xue, Yan Wu, Qing Song Wei*, Yu Sheng Shi

Keywords:

Bladed Disk, Hot Isostatic Pressing, Ti6Al4V

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DOI: 10.1007/s11661-002-0340-x

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