Study on Induction Plasma Spheroidization of Refractory Metal(W,Cr)Powders AITranslate
Abstract AITranslate
Induction plasma spheroidization process was applied to deal with irregularly shaped W and Cr powders,and the effect of powder-feed rate on powder spheroidization was investigated. The morphology, phase composition, particle size distribution and apparent density of the powders before and after sphe- roidization were characterized by scanning electron microscopy （SEM）,X-ray diffraction （XRD）,laser par- ticle size analyzer and Hall flow meter. The results show that the spherical W and Cr powders with single phase can be prepared by induction plasma spheroidization, and their apparent density and powder flow-ability are greatly improved. The spheroidization ratio of W and Cr powders increases with the decrease of powder-feed rate,and the maximum spheroidization ratio is higher than 98%. The particle size and particle size distribution of the sphericized powders are affected by the dispersion of the raw powders.
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Basic Information:
DOI：
Chinese Library Classification Number:TF123[冶金工程—粉末冶金]
Citation Information:
Induction plasma spheroidization process was applied to deal with irregularly shaped W and Cr powders,and the effect of powder-feed rate on powder spheroidization was investigated. The morphology, phase composition, particle size distribution and apparent density of the powders before and after sphe- roidization were characterized by scanning electron microscopy （SEM）,X-ray diffraction （XRD）,laser par- ticle size analyzer and Hall flow meter. The results show that the spherical W and Cr powders with single phase can be prepared by induction plasma spheroidization, and their apparent density and powder flow-ability are greatly improved. The spheroidization ratio of W and Cr powders increases with the decrease of powder-feed rate,and the maximum spheroidization ratio is higher than 98%. The particle size and particle size distribution of the sphericized powders are affected by the dispersion of the raw powders.
quote
| GB/T 7714-2015 | [1] QIU Zhen-tao, HU Ke, HAN Cui-liu, et al. Study on Induction Plasma Spheroidization of Refractory Metal(W,Cr)Powders[J]. Rare Metals and Cemented Carbides, 2017(4): 21-27. |
| MLA | [1] QIU Zhen-tao, et al., "Study on Induction Plasma Spheroidization of Refractory Metal(W,Cr)Powders." Rare Metals and Cemented Carbides, no. 4, 2017, pp. 21-27. |
| APA | [1] QIU Zhen-tao, HU Ke, HAN Cui-liu, YANG Zhi, & ZHANG Jiu-xing. (2017). Study on Induction Plasma Spheroidization of Refractory Metal(W,Cr)Powders. Rare Metals and Cemented Carbides(4), 21-27. |
| IEEE | [1] QIU Zhen-tao, HU Ke, HAN Cui-liu, YANG Zhi, and ZHANG Jiu-xing, "Study on Induction Plasma Spheroidization of Refractory Metal(W,Cr)Powders," Rare Metals and Cemented Carbides, no. 4, pp. 21-27, 2017. keywords: {induction plasma;powder spheroidization;refractory metal;W;Cr;powder-feed rate} |