Ms(α-Fe+α-Mn type)>Ms(α-Fe+Fe2B+ZrB)>Ms(α-Fe+Fe23B6-type), Hc (α-Fe+α-Mn type)>Hc(α-Fe+Fe2B+ZrB)>Hc(α-Fe+Fe23B6-type)>Hc(α-Fe)."/>

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熱處理條件對FeZrB基非晶合金微觀結構及磁性能的影響
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1.長春理工大學 材料科學與工程學院;2.吉林師范大學

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Primary crystallization phase produced during crystallization and magnetic property of FeZrB alloys
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1.School of Materials Science and Engineering,Changchun University of Science and Technology;2.National Demonstration Center for Experimental Physics Education,Jilin Normal University

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    摘要:

    采用單輥快淬法制備一系列不同名義成分的FeZrB合金樣品，并在第一個晶化峰值溫度進行退火。利用同步熱分析儀(STA)、X射線衍射儀(XRD)、透射電鏡(TEM)和振動樣品磁強計(VSM)測試分析合金的熱曲線、微觀結構和磁性能。初始晶化相隨著FeZrB系列合金成分比例的改變而不同。在不同成分比例的合金中觀察到四組不同的初始晶化相，例如α-Fe, α-Fe+Fe23B6型, α-Fe+α-Mn型和α-Fe+Fe2B+ZrB。通過TEM觀察發(fā)現(xiàn)具有不同初始晶化產(chǎn)物的合金具有不同的形貌。具有不同初始晶化產(chǎn)物合金的飽和磁化強度(Ms)和矯頑力(Hc)存在以下關系：Ms(α-Fe)>Ms(α-Fe+α-Mn type)>Ms(α-Fe+Fe2B+ZrB)>Ms(α-Fe+Fe23B6-type), Hc (α-Fe+α-Mn type)>Hc(α-Fe+Fe2B+ZrB)>Hc(α-Fe+Fe23B6-type)>Hc(α-Fe).

    Abstract:

    A series of FeZrB alloys with different nominal compositions were prepared by melt-spinning and then annealed at their first crystallization temperatures, respectively. The thermal curve, microstructure and magnetic property of alloys were investigated by simultaneous thermal analyzer (STA), X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The results show that the primary crystallization phases are different with the compositions of FeZrB alloys changing. Four groups of primary crystallization phases can be observed in the alloys, i.e. α-Fe phase, α-Fe+Fe23B6-type phases, α-Fe+α-Mn type phases and α-Fe+Fe2B+ZrB phases, and their morphologies are of different by TEM. The relations of saturation magnetization (Ms) and coercivity (Hc) for the alloys with different primary crystallization phases are as follows: Ms(α-Fe)>Ms(α-Fe+α-Mn type)>Ms(α-Fe+Fe2B+ZrB)>Ms(α-Fe+Fe23B6-type) and Hc (α-Fe+α-Mn type)>Hc(α-Fe+Fe2B+ZrB)>Hc(α-Fe+Fe23B6-type)>Hc(α-Fe).

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于萬秋,盧利平,左斌,華中.熱處理條件對FeZrB基非晶合金微觀結構及磁性能的影響[J].稀有金屬材料與工程,2020,49(5):1561~1566.[Wanqiu Yu, Liping Lu, Buo Bin, Zhong Hua. Primary crystallization phase produced during crystallization and magnetic property of FeZrB alloys[J]. Rare Metal Materials and Engineering,2020,49(5):1561~1566.]
DOI：10.12442/j. issn.1002-185X.20190003

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  • 收稿日期:2019-01-02
  • 最后修改日期:2019-04-08
  • 錄用日期:2019-04-10
  • 在線發(fā)布日期: 2020-06-05
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