Laser powder bed fusion of crack-free 6061Al alloy using nano-sized TiO 2 modified powders

Growth of coarse columnar grains during solidification easily leads to hot cracking during laser powder bed fusion (LPBF) of Al alloys. This work offers an alternative route to inhibit the formation of coarse columnar grains during LPBF process. The crack-free 6061Al alloy with a refined microstruct...

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Veröffentlicht in:	Materials science and technology 2024-02, Vol.40 (2), p.141-151
Hauptverfasser:	Yuan, Chao, Ding, Rengen, Hou, Xiaodong, Guo, Qiujuan, Gao, Xuexu
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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