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腔室壓力對(duì)Ce17Fe78B6合金磁性能及微觀結(jié)構(gòu)的影響
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材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室,材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室,材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室,材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室,材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室,材料研究所 微結(jié)構(gòu)重點(diǎn)實(shí)驗(yàn)室

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中圖分類(lèi)號(hào):

TM271 .3；TG132.2 7

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(51171101,51471101)


Effect of chamber pressure on the magnetic property and microstructure of the Ce17Fe78B6 alloy
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Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University

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    摘要:

    本文采用熔體快淬法制備了Ce17Fe78B6合金,研究了不同腔室壓力對(duì)其磁性能和微觀結(jié)構(gòu)的影響。研究結(jié)果表明：在熔體快淬過(guò)程中,不同的腔室壓力對(duì)Ce17Fe78B6合金的磁性能和微觀結(jié)構(gòu)有著很大的影響。隨著腔室壓力的增加,快淬條帶的矯頑力逐漸增大,但是剩磁和最大磁能積卻呈現(xiàn)先升高后下降的趨勢(shì)。X射線衍射和透射電子顯微鏡的研究結(jié)果表明：當(dāng)腔室壓力為0.05 MPa時(shí),Ce17Fe78B6合金中的硬磁相Ce2Fe14B的體積百分含量最高,而且晶粒細(xì)小且分布均勻,因而具有最佳的磁性能。

    Abstract:

    The melt-spun Ce17Fe78B6 ribbons were prepared by melt-spinning at various chamber pressures. The effect of chamber pressure on the magnetic property and microstructure of Ce17Fe78B6 alloy was investigated. Results showed that the magnetic property and microstructure of the Ce17Fe78B6 alloy were sensitive to the chamber pressure. With the chamber pressure increasing, the coercivity increased while the remanence and maxium engery product reached a maximum value at 0.05 MPa. The results of X-ray diffraction and transmission electron microscope showed that the Ce17Fe78B6 alloy had the highest volume fraction of hard magnetic Ce2Fe14B phase and uniform microstructure at a chamber pressure of 0.05 MPa, resulting in optimal magnetic properties.

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李維丹,譚曉華,任科智,徐暉,侯雪玲,魯波.腔室壓力對(duì)Ce17Fe78B6合金磁性能及微觀結(jié)構(gòu)的影響[J].稀有金屬材料與工程,2017,46(7):2002~2006.[Li Weidan, Tan Xiaohua, Ren Kezhi, Xu Hui, Hou Xueling, Lu Bo. Effect of chamber pressure on the magnetic property and microstructure of the Ce17Fe78B6 alloy[J]. Rare Metal Materials and Engineering,2017,46(7):2002~2006.]
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  • 收稿日期:2015-03-23
  • 最后修改日期:2015-05-07
  • 錄用日期:2015-06-11
  • 在線發(fā)布日期: 2017-11-14
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