Preparation of FePt Alloys by Mechanical Alloying

机译：机械合金化制备FePt合金

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We prepared the Au-doping FePt samples and file the bulk sample by diamond files and prepared powder sample in order to obtain the disordered FePt alloys. By doping 40 at%Au in a nominal formula Fe_(100)Pt_(100-x)Au_x or powdering by files, disorder FePt lattice can be prepared. The large coercive force having the value of more than 1 0 kOe was observed in the magnetic loop for some of the aging samples. The Curie temperature for the disorder alloy determined to be 580 K. The sample contained a lot of stress and strain is expected to be in disorder state easily. The powder sample produced by MA cannot avoid the contamination of Fe and stainless steel. However, sample preparations by Au doping are improved the contamination and the disorder state becomes stable.

机译：我们制备了金掺杂的FePt样品，并通过金刚石锉锉处理了大块样品，并准备了粉末样品，以获得无序的FePt合金。通过以标称公式Fe_（100）Pt_（100-x）Au_x掺杂40 at％Au或通过锉粉，可以制备无序FePt晶格。对于某些老化样品，在磁环中观察到了大于1 0 kOe的大矫顽力。经测定，该无序合金的居里温度为580K。该样品包含大量应力，并且预期容易处于无序状态。 MA生产的粉末样品无法避免Fe和不锈钢的污染。然而，通过金掺杂的样品制备改善了污染并且无序状态变得稳定。

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来源
《International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials(ISMANAM 2004); 20040822-26; Sendai(JP)》|2004年|P.185-188|共4页
会议地点 Sendai(JP)
作者
H. Yoshida; H.M.Kimura; S.Yamaura; T. Shima; A. Inoue;
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作者单位

Japan Science and Technology Agency, Sendai 980-8577, Japan;

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原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
FePt; Au doping; L10-type crystal structure; plastic deformation; Hc; MA;

机译：FePt Au掺杂L10型晶体结构塑性变形HC MA;

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Preparation of FePt Alloys by Mechanical Alloying

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