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Characterization of Ti-48al-2cr-2nb Built by Selective Laser Melting

10 Pages Posted: 12 May 2021 Publication Status: Under Review

See all articles by Kazuhiro Mizuta

Kazuhiro Mizuta

Tokyo Metropolitan University - Department of System Design

Yuta Hijikata

Tokyo Metropolitan University - Department of System Design

Tatsuya Fujii

Tokyo Metropolitan University - Department of System Design

Kazuhiro Gokan

Tokyo Metropolitan University - Department of System Design

Koji Kakehi

Tokyo Metropolitan University - Department of System Design

Abstract

Selective laser melting (SLM) was applied to TiAl4822. Electron beam melting (EBM) has been a major additive manufacturing process for TiAl4822, but ductility is a technical challenge with EBM. This research investigates the microstructure and the tensile properties of TiAl4822 fabricated by a new SLM machine equipped with a heating unit. The elongation of the SLM specimen was 8.3 times that of the EBM specimen; this was attributable to the γ-phase−based homogeneous fine grains in the SLM specimen.

Suggested Citation

Mizuta, Kazuhiro and Hijikata, Yuta and Fujii, Tatsuya and Gokan, Kazuhiro and Kakehi, Koji, Characterization of Ti-48al-2cr-2nb Built by Selective Laser Melting. Available at SSRN: https://ssrn.com/abstract=3844698 or http://dx.doi.org/10.2139/ssrn.3844698

Kazuhiro Mizuta (Contact Author)

Tokyo Metropolitan University - Department of System Design ( email )

Japan

Yuta Hijikata

Tokyo Metropolitan University - Department of System Design ( email )

Japan

Tatsuya Fujii

Tokyo Metropolitan University - Department of System Design ( email )

Japan

Kazuhiro Gokan

Tokyo Metropolitan University - Department of System Design ( email )

Japan

Koji Kakehi

Tokyo Metropolitan University - Department of System Design ( email )

Japan

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