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    • Characterization of Gas-Atomized Equiatomic AlCoCrFeNi Powder for Additive Manufacturing
    Tác giả : Communication, Brief; Access, Open;  Người hướng dẫn: -;  Đồng tác giả: - (2023)

    The powder particle properties in additive manufacturing processes such as selective laser melting (SLM) influence the material properties. The microstructure, hardness, and chemical composition of gas-atomized AlCoCrFeNi powder particles were investigated, which showed a biphasic structure, consisting of FCC and BCC with a significant deviation in hardness. SLMed samples, consisting of BCC phase, indicated poor printability, inhomogeneous microstructure, and cracks. Microstructural inhomogeneity of SLM AlCoCrFeNi parts must reflect the inhomogeneity inherited from the atomized powder.