U-Mo微球与Al粉的混合工艺研究
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TL214

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国家重点实验室


Study on the mixing process of U-Mo microspheres and Al powders
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    摘要:

    采用垂直行星分罐式混料机进行U-Mo微球与Al粉混合,系统研究了混合时间、混合转速和料罐填充率对物料混合度的影响,并设计正交试验分析三因素对物料混合度的影响程度。采用变异系数法和体视显微镜分析了混合物料的混合度和微观形貌。结果表明,最佳混合工艺参数为:混合时间90min、混合转速30r/min和料罐填充率30%,其物料混合度为93.6%;三种混合因素对混合度的影响程度为:混合时间<料罐填充率<混合转速。

    Abstract:

    U-Mo microspheres and Al powders were mixed by vertical planetary pot-classifying mixer. The influences of mixing time, mixing speed and filling rate on the mixing degree of mixed powders were studied systematically. The orthogonal experiment is designed to analyze the influence degree of the three factors on the mixing degree. The mixing degree and microstructure were discussed by variation coefficient method and stereomicroscope, respectively. Results show that optimal mixing process parameters: the mixing time of 90min, the mixing speed of 30r/min and the filling rate of 30%. The optimal mixed powders have a mixing degree of 93.6%. Three kinds of mixed factors impacting on the mixing degree have the order: mixing time < filling rate < mixing speed.

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引用本文格式: 庾正伟,王录全,刘海,冷茂林,黄健民,郭振. U-Mo微球与Al粉的混合工艺研究[J]. 四川大学学报: 自然科学版, 2017, 54: 371.

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历史
  • 收稿日期:2016-10-10
  • 最后修改日期:2016-11-28
  • 录用日期:2016-12-12
  • 在线发布日期: 2017-03-09
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