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首页> 外文会议>International Conference on Metallurgy and Materials >FABRICATION OF TITANIUM ORTHORHOMBIC ALLOY SPHERICAL POWDERS BY MECHANICAL ALLOYING AND PLASMA SPHEROIDIZATION FOR APPLICATION IN ADDITIVE MANUFACTURING PROCESSES
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FABRICATION OF TITANIUM ORTHORHOMBIC ALLOY SPHERICAL POWDERS BY MECHANICAL ALLOYING AND PLASMA SPHEROIDIZATION FOR APPLICATION IN ADDITIVE MANUFACTURING PROCESSES

机译：用机械合金化和等离子体球化制造钛正极合金球形粉末在添加剂制造过程中的应用

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The microstructural and phase evolution of the powders at different times of milling and after treatment in the flow of the thermal plasma were studied. The X-Ray Diffraction and Scanning Electron Microscopy studies showed that increasing milling time up to 12 h improves chemical homogeneity of the powders and promotes the formation of B2/p-phase solid solution, while at shorter milling times the powders consist of a highly inhomogeneous layered structure with HPC- and BCC-crystal structures. The plasma spheroidization of irregular powders after MA resulted in highly-spherical powders of the orthorhombic alloy with a homogeneous chemical composition consisting of dendritic B2-phase. The fabricated spherical powders can be utilized in Additive Manufacturing processes to fabricate intermetallic components.
机译：研究了在热血浆流动中铣削和处理后的不同时间粉末的微观结构和相位演化。 X射线衍射和扫描电子显微镜研究表明，增加铣削时间高达12小时，提高了粉末的化学均匀性，并促进了B2 / p相固溶的形成，而粉末粉末组成的较短磨削时间是高度均匀的 具有HPC和BCC晶体结构的分层结构。 在MA之后的不规则粉末的等离子体球化导致正交合金的高球形粉末，其具有由树突B2相的均匀化学组合物。 制造的球形粉末可用于添加剂制造方法以制造金属间成分。

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