9.5Fe84B6.5合金,研究了腔室壓力和甩帶速度這兩個(gè)快淬參數(shù)對(duì)其磁性能和微觀結(jié)構(gòu)的影響,建立了兩者之間的關(guān)聯(lián)性。研究發(fā)現(xiàn)：熔體快淬過(guò)程中在其它條件保持不變時(shí),腔室壓力和甩帶速度之間存在著互相補(bǔ)償?shù)年P(guān)系。腔室壓力為0.03 MPa、快淬速度為19 m/s時(shí)制備的條帶樣品與腔室壓力為0.05 MPa、快淬速度為15 m/s時(shí)制備的樣品厚度和磁性能的數(shù)值相近。X 射線衍射和透射電子顯微鏡的結(jié)果表明：這兩種條件下得到的條帶樣品具有相同的相組成和相似的微觀結(jié)構(gòu)。因此,通過(guò)調(diào)整腔室壓力和甩帶速度可以得到微觀結(jié)構(gòu)和磁性能相近的條帶樣品,這將為制備高性能的稀土永磁材料及其工業(yè)化生產(chǎn)提供指導(dǎo)。"/>

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快淬參數(shù)對(duì)Nd9.5Fe84B6.5合金磁性能和微觀結(jié)構(gòu)的影響
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材料研究所,材料研究所,材料研究所,材料研究所,材料研究所,材料研究所,材料研究所

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國(guó)家自然科學(xué)基金資助(項(xiàng)目號(hào)51471101)


Effect of quenching parameters on magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy
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Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University

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    摘要:

    本文采用直接快淬法制備了Nd9.5Fe84B6.5合金,研究了腔室壓力和甩帶速度這兩個(gè)快淬參數(shù)對(duì)其磁性能和微觀結(jié)構(gòu)的影響,建立了兩者之間的關(guān)聯(lián)性。研究發(fā)現(xiàn)：熔體快淬過(guò)程中在其它條件保持不變時(shí),腔室壓力和甩帶速度之間存在著互相補(bǔ)償?shù)年P(guān)系。腔室壓力為0.03 MPa、快淬速度為19 m/s時(shí)制備的條帶樣品與腔室壓力為0.05 MPa、快淬速度為15 m/s時(shí)制備的樣品厚度和磁性能的數(shù)值相近。X 射線衍射和透射電子顯微鏡的結(jié)果表明：這兩種條件下得到的條帶樣品具有相同的相組成和相似的微觀結(jié)構(gòu)。因此,通過(guò)調(diào)整腔室壓力和甩帶速度可以得到微觀結(jié)構(gòu)和磁性能相近的條帶樣品,這將為制備高性能的稀土永磁材料及其工業(yè)化生產(chǎn)提供指導(dǎo)。

    Abstract:

    The Nd9.5Fe84B6.5 ribbons were prepared by melt-spinning. The effects of the chamber pressure and wheel speed on the magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy were investigated. A complementary relationship between the chamber pressure and the wheel speed in rapid solidification of melt-spinning is proposed. The values of thickness and magnetic property in the ribbon sample prepared at the chamber pressure of 0.03 MPa and the wheel speed of 19 m/s are similar to that in the ribbon prepared at the chamber pressure of 0.05 MPa and the wheel speed of 15 m/s. XRD and TEM results show that the ribbons prepared at two conditions have same phase constitution and similar microstructure. Our work indicate that the melt-spun Nd9.5Fe84B6.5 ribbons with similar magnetic property and microstructure are obtained by controlling the chamber pressure and the wheel speed in rapid solidification, which can be used to serve as a guide in achieving permanent materials with good magnetic property in mass production.

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任科智,譚曉華,徐暉,侯雪玲,李荷蕓,梁揚(yáng),魯波.快淬參數(shù)對(duì)Nd9.5Fe84B6.5合金磁性能和微觀結(jié)構(gòu)的影響[J].稀有金屬材料與工程,2018,47(10):3208~3212.[Ren Kezhi, Tan Xiaohua, Xu Hui, Hou Xueling, Li Heyun, Liang Yang, Lu Bo. Effect of quenching parameters on magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy[J]. Rare Metal Materials and Engineering,2018,47(10):3208~3212.]
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  • 收稿日期:2016-12-21
  • 最后修改日期:2017-03-03
  • 錄用日期:2017-03-15
  • 在線發(fā)布日期: 2018-11-08
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