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Synthesis of the Muemetal Magnetic Powders by Mechanical Alloying

机译：机械合金化法合成金属磁粉

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摘要

The formation of quaternary 76Ni17Fe5Cu2Cr (wt. %) alloy by mechanical alloying is investigated. The elemental powders of Ni, Fe, Cu and Cr where milled in argon atmosphere in a planetary ball mill for time up to 20 h. Formation of the alloy was checked by X-ray diffraction studies. It is found that the rapid formation of the alloy lead to the rapid establishment of an equilibrium between the welding and fracture process during milling, leading to a constant particle size distribution over a big range of milling time. The morphology of the powders, studied by scanning electron microscopy (SEM) confirms the rapid increase in size. The particle size distribution and the flowability of the powders are also analyzed as a function of milling time. Enhanced magnetization was found for the milled samples, compared to a cast alloy.
机译：研究了通过机械合金化形成四元76Ni17Fe5Cu2Cr（wt。％）合金的方法。 Ni，Fe，Cu和Cr的元素粉末在氩气气氛下在行星式球磨机中研磨长达20小时。通过X射线衍射研究检查了合金的形成。发现合金的快速形成导致在铣削期间在焊接和断裂过程之间的平衡的快速建立，从而导致在大的铣削时间范围内恒定的粒度分布。通过扫描电子显微镜（SEM）研究的粉末形态证实了尺寸的迅速增加。粉末的粒度分布和流动性也作为研磨时间的函数进行了分析。与铸造合金相比，铣削后的样品增强了磁化强度。

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  • 来源
    《Researches in Powder Metallurgy》|2009年|p.157-160|共4页
  • 会议地点 Craiova(RO);Craiova(RO)
  • 作者

    Ionel Chicinas; Viorel Pop; Florin Popa; Virgiliu-Calin Prica; Traian Florin Marinca; Bogdan Viorel Neamtu; Lidia Adriana Sorcoi;

  • 作者单位

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania;

    Babes Bolyai University, Faculty of Physics, 400084 Cluj-Napoca, Romania;

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania;

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania;

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania;

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania,Institut Neel, Universite J. Fourier / CNRS, 25 avenue des Martyrs, 38 042 Grenoble, France;

    Materials Sciences and Technology Dept., Technical University of Cluj-Napoca, 103-105 Muncii ave., 400641 Cluj-Napoca, Romania;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 粉末冶金（金属陶瓷工艺）;
  • 关键词

    muemetal; mechanical alloying; nanocrystalline; soft magnetic;

    机译：黏土机械合金化；纳米晶软磁;

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