Enhancement of grain refinement and heat resistance in TiB2-reinforced Al-Cu-Mg-Fe-Ni matrix composite additive manufactured by electron beam melting

Additive manufacturing (AM) by electron beam melting (EBM) has many advantages over the laser-based AM techniques, but is subjected to a lower cooling rate and a long time thermal exposure with a much higher temperature. Therefore, the EBMed aluminum alloys commonly have coarser solidification struc...

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Veröffentlicht in:	Journal of alloys and compounds 2022-11, Vol.924, p.166395, Article 166395
Hauptverfasser:	Ma, Siming, Li, Yang, Kan, Wenbin, Zhang, Jingling, Wang, Mingliang, Wang, Lei, Wu, Yi, Wang, Haowei, Chen, Zhe
Format:	Artikel
Sprache:	eng
Schlagworte:	Additive manufacturing Al-Cu-Mg-Fe-Ni Aluminum alloys Aluminum base alloys Aluminum matrix composites Cooling rate Copper Densification Electron beam melting Elongation Ferrous alloys Grain boundaries Grain growth Grain refinement Grain size Grain structure Heat resistance Heat resistant alloys Heat treatment Iron Laser applications Mechanical properties Metal matrix composites Microstructure Nickel Solidification Surface properties Tensile strength Thermal resistance Thermal stability TiB2
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