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Properties of gas-atomized Cu-Ti-based metallic glass powders for additive manufacturing
Laser powder bed fusion (PBF-LB/M) of bulk metallic glasses permits large and complex components tosolidify to an amorphous state, thus expanding the processing possibilities of this material class. Here, theCu-Ti-Zr-Ni family, also known as Vitreloy 101, is systematically investigated for processing of the PBFLB/M powder itself. Gas atomization was used to produce powder of Vit101 and derivates micro-alloyedwith Si and Sn. The influence of atomization and alloy composition on glass formation, oxygen content,particle morphology, and flowability were investigated. Amorphous powder was successfully obtainedusing industrial-grade purity as feedstock for the atomization. The oxygen content within the powderwas controlled by the surface-to-volume ratio, without significant influence of the different atomizationparameters and the microalloying itself. The powder displayed high circularity with sufficient flowability after drying. Our results contribute to the investigation of Vitreloy 101 alloys as promising candidates forPBF-LB/M applications
Properties of gas-atomized Cu-Ti-based metallic glass powders for additive manufacturing
Laser powder bed fusion (PBF-LB/M) of bulk metallic glasses permits large and complex components tosolidify to an amorphous state, thus expanding the processing possibilities of this material class. Here, theCu-Ti-Zr-Ni family, also known as Vitreloy 101, is systematically investigated for processing of the PBFLB/M powder itself. Gas atomization was used to produce powder of Vit101 and derivates micro-alloyedwith Si and Sn. The influence of atomization and alloy composition on glass formation, oxygen content,particle morphology, and flowability were investigated. Amorphous powder was successfully obtainedusing industrial-grade purity as feedstock for the atomization. The oxygen content within the powderwas controlled by the surface-to-volume ratio, without significant influence of the different atomizationparameters and the microalloying itself. The powder displayed high circularity with sufficient flowability after drying. Our results contribute to the investigation of Vitreloy 101 alloys as promising candidates forPBF-LB/M applications
Properties of gas-atomized Cu-Ti-based metallic glass powders for additive manufacturing
Soares Barreto, Erika (author, ) / Frey, Maximilian (author) / Wegner, Jan (author) / Jose, Allen (author) / Neuber, Nico (author) / Busch, Ralf (author) / Kleszczynski, Stefan (author) / Mädler, Lutz (author) / Uhlenwinkel, Volker (author)
2022-01-01
110519 - pages
Materials and design 215, 110519 - (2022). doi:10.1016/j.matdes.2022.110519
Miscellaneous
Electronic Resource
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