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Peculiar microstructural evolution and hardness variation depending on laser powder bed fusion-manufacturing condition in Ti–6Al–2Sn–4Zr–6Mo

Description/Abstract:

This study comprehensively evaluates the phases, microstructure evolution, and hardness performance of Ti-6Al-2Sn-4Zr-6Mo wt.% parts proc...

Keyword:

LPBF, Metastable phase, Polycrystaline microstructure, Rapid cooling, Thermal history, and Ti6246

Resource Type:

Article

Author:

Prince Valentine Cobbinah, Sae Matsunaga, Yoshiaki Toda, Ryosuke Ozasa, Masayuki Okugawa, Takuya Ishimoto, Yuheng Liu, Yuichiro Koizumi, Pan Wang, Takayoshi Nakano, and Yoko Yamabe-Mitarai

Journal:

Smart Materials in Manufacturing

Date Uploaded:

30/04/2024
Solute segregation in a rapidly solidified Hastelloy-X Ni-based superalloy during laser powder bed fusion investigated by phase-field and computational thermal-fluid dynamics simulations

Description/Abstract:

Solute segregation significantly affects material properties and is a critical issue in the laser powder-bed fusion (LPBF) additive manuf...

Keyword:

Computational thermal-fluid dynamics simulation, Hastelloy-X nickel-based superalloy, Laser powder-bed fusion, Phase-field method, and Solute element segregation

Resource Type:

Article

Author:

Masayuki Okugawa, Kenji Saito, Haruki Yoshima, Katsuhiko Sawaizumi, Sukeharu Nomoto, Makoto Watanabe, Takayoshi Nakano, and Yuichiro Koizumi

Journal:

Additive Manufacturing

Date Uploaded:

02/04/2024