微合金化高铁含量FeSiBPCu非晶合金的磁性能
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摘要
利用熔体快淬法制备高铁含量的FeSiBPCu非晶合金,研究快速退火处理对其晶化行为和磁性能的影响,利用X射线衍射仪、差示扫描量热仪和透射电镜分别对合金的微观组织和晶体结构进行分析与表征,利用磁滞曲线仪、振动样品磁强计和B-H测试仪等设备测试合金的软磁性能。结果表明:制备的化学组成为Fe_(85.3)B_(10)P_3Si_1Cu_(0.7)的纳米晶软磁合金表现出优异的综合软磁性能,矫顽力为15 A/m,饱和磁极化强度为1.96 T,其经最佳热处理工艺退火后的微观组织为大小均匀的纳米晶,晶粒尺寸约为20 nm,只有单一的α-Fe相。
FeSiBPCu amorphous alloy ribbons with high Fe content were prepared by strip-casting method,the crystallization behavior and magnetic properties of the alloys before and after rapid annealing process were studied,and microstructure and crystal structure of the alloy were analyzed and characterized by means of X-ray diffraction,differential scanning calorimetry and transmission electron microscopy,respectively. The soft magnetic properties of the alloys were tested by B-H curve tracer,vibrating sample magnetometer and vector impedance analyzer. The results show that the nanocrystalline soft magnetic alloy with chemical composition of Fe_(85.3)B_(10)P_3Si_1Cu_(0.7) exhibits excellent comprehensive soft magnetic properties,the coercivity and the saturation magnetic polarization are 15 A/m and 1.96 T,respectively,and the microstructure of the alloy after annealing by the best heat treatment process is nanocrystalline of uniform size,the grain size is about 20 nm,and there is only a single α-Fe phase.
FeSiBPCu amorphous alloy ribbons with high Fe content were prepared by strip-casting method,the crystallization behavior and magnetic properties of the alloys before and after rapid annealing process were studied,and microstructure and crystal structure of the alloy were analyzed and characterized by means of X-ray diffraction,differential scanning calorimetry and transmission electron microscopy,respectively. The soft magnetic properties of the alloys were tested by B-H curve tracer,vibrating sample magnetometer and vector impedance analyzer. The results show that the nanocrystalline soft magnetic alloy with chemical composition of Fe_(85.3)B_(10)P_3Si_1Cu_(0.7) exhibits excellent comprehensive soft magnetic properties,the coercivity and the saturation magnetic polarization are 15 A/m and 1.96 T,respectively,and the microstructure of the alloy after annealing by the best heat treatment process is nanocrystalline of uniform size,the grain size is about 20 nm,and there is only a single α-Fe phase.
引文
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[25]Makino A,Men H,Yubuta K,et al.Soft magnetic Fe Si BPCu heteroamorphous alloys with high Fe content[J].Journal of Applied Physics,2009,105(1):283-286.
[2]Suzuki K,Kataoka N,Inoue A.High saturation magnetization and soft magnetic properties of bcc Fe-Zr-B alloys with ultrafine grain structure[J].Materials Transactions,JIM,1990,31(8):743-748.
[3]Li Y H,Jia X J,Xu Y Q,et al.Soft magnetic Fe-Si-B-Cu nanocrystalline alloys with high Cu concentrations[J].Journal of Alloys and Compounds,2017,722:859-863.
[4]Chang C T,Zhang J H,Shen B L,et al.Pronounced enhancement of glass-forming ability of Fe-Si-B-P bulk metallic glass in oxygen atmosphere[J].Journal of Materials Research,2014,29(10):1217-1222.
[5]Chen S Q,Chen N,Cheng M T,et al.Multi-phase nanocrystallization induced fast degradation of methyl orange by annealing Febased amorphous ribbons[J].Intermetallics,2017,90:30-35.
[6]Luborsky F E,Becker J J,Walter J L,et al.Formation and magnetic properties of Fe-B-Si amorphous alloys[J].IEEE Transactions on Magnetics,1979,15(4):1146-1153.
[7]Yoshizawa Y,Yamauchi K.Magnetic properties of Fe-Cu-M-Si-B(M=Cr,V,Mo,Nb,Ta,W)alloys[J].Materials Science and Engineering A,1991,133(1):176-179.
[8]Yoshizawa Y.Magnetic properties and applications of nanostructured soft magnetic materials[J].Scripta Materialia,2001,44(8):1321-1325.
[9]Shindo D,Park Y G,Yoshizawa Y.Magnetic domain structures of Fe73.5Cu1Nb3Si13.5B9films studied by electron holography[J].Journal of Magnetism and Magnetic Materials,2002,238(1):101-108.
[10]Yoshizawa Y,Fujii S,Ping D H,et al.Magnetic properties of nanocrystalline Fe-Co-Cu-M-Si-B alloys(M:Nb,Zr)[J].Materials Science and Engineering A,2004,375-377(1):207-212.
[11]Shahri F,Beitollahi A,Shabestari S G,et al.Structural characterization and magnetoimpedance effect in amorphous and nanocrystalline Al Ge-substituted Fe Si BNb Cu ribbons[J].Journal of Magnetism and Magnetic Materials,2007,312(1):35-42.
[12]Muraca D,Cremaschi V J,Sirkin H.Effect of the addition of Ge to the FINEMET alloy[J].Journal of Magnetism and Magnetic Materials,2007,311(2):618-622.
[13]崔立英,齐民,牧野彰宏.铁含量对合金非晶晶化行为与磁性能的影响[J].材料研究学报,2015,29(4):284-290.CUI Li-ying,QI Min,MAKINO Akihiro.Effect of Fe content on crystallization behaviors and magnetic properties of amorphous alloys Fex(Si B)96-xP3Cu1[J].Chinese Journal of Materials Research,2015,29(4):284-290.
[14]Hsiao A C,Mchenry M E,Laughlin D E,et al.Magnetic properties and crystallization kinetics of a Mn-doped FINEMET precursor amorphous alloy[J].IEEE Transactions on Magnetics,2001,37(4):2236-2238.
[15]Hernando A,Vázquez M,Kulik T,et al.Analysis of the dependence of spin-spin correlations on the thermal treatment of nanocrystalline materials[J].Physical Review B,1995,51(6):3581-3586.
[16]纪松,杨国斌,王润.纳米软磁合金的双相无规磁各向异性模型[J].物理学报,1996,45(12):2061-2067.JI Song,YANG Guo-bin,WANG Run.Two-phase random magnetic anisotropy model for nanostructured soft magneticalloys[J].Acta Physica Sinica,1996,45(12):2061-2067.
[17]Herzer G.Anisotropies in soft magnetic nanocrystalline alloys[J].Journal of Magnetism and Magnetic Materials,2005,294(2):99-106.
[18]May J E,Souza A C,Morelli C L,et al.Magnetic and corrosion properties comparison of Fe Si-based,Fe Zr-based and Fe Co-based alloys[J].Journal of Alloys and Compounds,2005,390(1/2):106-111.
[19]Hampel G,Graf T,Korus J,et al.Structure investigations on annealed Fe(Cu Nb)Si B alloys with different Si-B contents[J].Physica Status Solidi(A)Applied Research,1995,149(2):515-533.
[20]Kojima A,Ito S,Makino A,et al.Soft magnetic properties of nanocrystalline Fe-Nb-B-P alloys produced in the atomsphere by meltspinning method[J].Matreials Transactions,2001,42(8):1535-1539.
[21]Ayers J D,Harris V G,Sprague J A,et al.On the formation of nanocrystals in the soft magnetic alloy Fe73.5Nb3Cu1Si13.5B9[J].Acta Materialia,1998,46(6):1861-1874.
[22]Herzer G,Warlimont H.Nanocrystalline soft magnetic materials by partial crystallization of amorphous alloys[J].Nanostructured Materials,1992,1(3):263-268.
[23]Makino A,Bitoh T,Inoue A,et al.Nb-Poor Fe-Nb-B nanocrystalline soft magnetic alloys with small amount of P and Cu prepared by melt-spinning in air[J].Scripta Materialia,2003,48(7):869-874.
[24]Men H,Cui L Y,Kubota T,et al.Fe-rich soft magnetic Fe Si BPCu hetero-amorphous alloys with high saturation magnetization[J].Materials Transactions,2009,50(6):1330-1333.
[25]Makino A,Men H,Yubuta K,et al.Soft magnetic Fe Si BPCu heteroamorphous alloys with high Fe content[J].Journal of Applied Physics,2009,105(1):283-286.