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冷卻速率對(duì)FeCuNbSiB合金磁學(xué)和耐腐蝕性能影響的研究
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1.濰坊學(xué)院機(jī)電與車輛工程學(xué)院;2.山東省港口集團(tuán) 青島;3.山東大學(xué)材料液固結(jié)構(gòu)演變與加工教育部重點(diǎn)實(shí)驗(yàn)室

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中圖分類號(hào):

TM271+.2, O484.4+3，TQ152

基金項(xiàng)目:

山東省重點(diǎn)研發(fā)計(jì)劃項(xiàng)目No. 2019GGX102016


Effect of cooling rates on the magnetic and corrosion resistance properties of FeCuNbSiB alloys
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key research and development project of Shandong Province (2019GGX102016)

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    摘要:

    通過X射線衍射儀（XRD），振動(dòng)樣品磁強(qiáng)計(jì)（VSM），電化學(xué)工作站以及掃描電子顯微鏡（SEM）等實(shí)驗(yàn)方法對(duì)輥速為14.65m/s和43.96 m/s旋淬制備的Fe73.5Si13.5B9Cu1Nb3（C1和 C2）合金條帶進(jìn)行了測試分析。XRD結(jié)果顯示，低冷速下制備獲得了非晶/納米晶雙相（C1）合金，高冷速制備的合金（C2）為非晶態(tài)。VSM結(jié)果顯示C1和C2合金均具有優(yōu)異的軟磁性能。低冷速制備的納米晶（C1）合金相比高冷速制備的非晶態(tài)（C2）合金具有較強(qiáng)的磁各向異性，C1合金磁各向異性的增強(qiáng)是由納米晶相的鍵對(duì)有序性以及納米晶相與非晶基體相互作用引起的磁彈各向異性所致。合金的電化學(xué)測試顯示，C2合金耐腐蝕性能要好于C1合金，合金腐蝕性能的變化與制備過程中不同冷速所導(dǎo)致的合金的表面組織結(jié)構(gòu)和應(yīng)力不均勻性相關(guān)。

    Abstract:

    The Fe73.5Si13.5B9Cu1Nb3 alloy ribbons fabricated at circumference speed of 14.65 and 43.96 m/s (labeled as C1 and C2) have investigated by XRD, VSM, electrochemical workstation and SEM. The XRD results show that the low cooling rate sample (C1) has a nanocrystalline/amorphous dual-phase structure and the high cooling rate sample (C2) has an amorphous structure. VSM results show that both C1 and C2 alloy have excellent soft magnetic properties, and C1 alloy shows a strong magnetic anisotropy, which induced by both the ordered atomic bonds of nanocrystalline phase and strong interaction between the nanocrystalline phase and amorphous matrix. The electrochemical polarization test results show that the corrosion resistance property of C2 alloy is better than that of C1 alloy，which is attribute to the heterogeneity structure and internal stress in the ribbon surface formed on the spinning process.

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引用本文

馬海健,安邦,魏文慶,神祥博,鮑文科,王偉民.冷卻速率對(duì)FeCuNbSiB合金磁學(xué)和耐腐蝕性能影響的研究[J].稀有金屬材料與工程,2021,50(2):595~599.[MA HAIJIAN, AN BANG, WEI WENQING, SHEN XIANGBO, BAO WENKE, WANG WEIMIN. Effect of cooling rates on the magnetic and corrosion resistance properties of FeCuNbSiB alloys[J]. Rare Metal Materials and Engineering,2021,50(2):595~599.]
DOI：10.12442/j. issn.1002-185X.20200676

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  • 收稿日期:2020-09-06
  • 最后修改日期:2020-09-25
  • 錄用日期:2020-10-21
  • 在線發(fā)布日期: 2021-03-09
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