Characterization of microstructure and mechanical properties of Ta-10 W alloy manufactured by laser powder bed fusion

Xuehua Wang, Difei Wang, Yingwei Zhang,Pengting Li,Yi Tan, Lijun Cao, Bin Liu

International Journal of Refractory Metals and Hard Materials(2024)

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Abstract
Ta-10 W alloy is an important high temperature structure material because of its high melting point and excellent high temperature performance. Laser powder bed fusion (LPBF) provide a new scheme to break limitation in producing Ta-10 W complex structures. High-density Ta-10 W samples manufactured by LPBF were first achieved in this work. The variation of molten pool morphology and interior defects with energy density was investigated, and excellent mechanical properties in room temperature were obtained.
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Key words
Ta-10 W,Laser powder bed fusion,Microstructure,Mechanical property
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