综述了烧结Sm(Co,Fe,Cu,Zr)z的矫顽力机制及成分和工艺对矫顽力的影响.温度对矫顽力机制的影响强烈.随着温度的升高,畴壁钉扎逐渐从排斥型转变为吸引型,当温度高于胞壁相的居里温度时,畴壁钉扎机制几乎完全转变为形核机制.成分和工艺对微观结构、两相的磁学参数有一定影响,因而影响矫顽力.
参考文献
| [1] | Kim AS. .DESIGN OF HIGH TEMPERATURE PERMANENT MAGNETS[J].Journal of Applied Physics,1997(8 Pt.2b):5609-5611. |
| [2] | Ray A E .A revised model for the metallurgical behavior of 2:17-type permanent magnet alloys[J].Journal of Applied Physics,1990,67(09):4972. |
| [3] | Livingston J D;Martin P L .Microstructure of aged (Co,Cu,Fe)7Sm magnets[J].Journal of Applied Physics,1977,48(03):1350. |
| [4] | Nagel H .Coercivity and microstructure of Sm (Co0.87-Cu0.13)7.8[J].Journal of Applied Physics,1979,50(02):1026. |
| [5] | Katter M.;Weber J. .A new model for the coercivity mechanism of Sm/sub 2/(Co,Fe,Cu,Zr)/sub 17/ magnets[J].IEEE Transactions on Magnetics,1996(5):4815-4817. |
| [6] | Skomski R. .DOMAIN-WALL CURVATURE AND COERCIVITY IN PINNING TYPE SM-CO MAGNETS[J].Journal of Applied Physics,1997(8 Pt.2b):5627-5629. |
| [7] | Kronmuller H.;Goll D. .Micromagnetic theory of the pinning of domain walls at phase boundaries[J].Physica, B. Condensed Matter,2002(1/4):122-126. |
| [8] | Scholz W.;Fidler J.;Schrefl T.;Suess D.;Matthias T. .Micromagnetic three-dimensional simulation of the pinning field in high temperature Sm(Co,Fe,Cu,Zr)(z) magnets[J].Journal of Applied Physics,2002(10 Pt.3):8492-8494. |
| [9] | Fidler J;Schrefl T;Scholz W et al.Micromagnetic modeling and magnetization processes[J].Journal of Magnetism and Magnetic Materials,2004,272-276:641. |
| [10] | Rong C B;Zhang H W;Jian J et al.Microstructure simulation of the coercivity mechanism in Sm(Co,Fe,Cu,Zr)z magnets[J].Journal of Applied Physics,2004,95(03):1351. |
| [11] | Zhang HW.;Rong CB.;Zhang J.;Zhang SY.;Shen BG. .Coercivity of isotropic nanocrystalline Pr12Fe82B6 ribbons - art. no. 184436[J].Physical review, B. Condensed matter and materials physics,2002(18):4436-0. |
| [12] | Goll D;Seeger M et al.Magnetic and microstructural properties of nanocrystalline exchange coupled PrFeB permanent magnets[J].Journal of Magnetism and Magnetic Materials,1998,185(02):49. |
| [13] | Liu S;Yang J;Doyle G et al.New sintered high temperature Sm-Co permanent magnet materials[J].IEEE Transactions on Magnetics,1999,35(05):3325. |
| [14] | Panagiotopoulos I;Gjoka M;Niarchos D .Angular dependence of coercivity in Sm(Co,Fe,Cu,Zr)z magnets[J].Journal of Magnetism and Magnetic Materials,2004,279(03):389. |
| [15] | Tang W;Zhang Y;Hadjipanayis G C .High temperature magnetic properties of Sm(Cobal Fe0.1Cu0.088Zrx)8.5magnets[J].Journal of Magnetism and Magnetic Materials,2000,212(01):138. |
| [16] | Tang W.;Zhang Y.;Gabay AM.;Hadjipanayis GC. .Anomalous temperature dependence of coercivity in rare earth cobalt magnets[J].Journal of Magnetism and Magnetic Materials,2002(2):1335-1337. |
| [17] | H. Kronmuller;D. Goll .Micromagnetic analysis of pinning-hardened nanostructured, nanocrystalline Sm_2Co_(17) based alloys[J].Scripta materialia,2002(8):545-550. |
| [18] | H. Kronmuller;D. Goll .Analysis of the temperature dependence of the coercive field of Sm_2Co_(17) based magnets[J].Scripta materialia,2003(7):833-838. |
| [19] | Kromuller H;Coll D .Modem nanocrystalline/nanostructured hard magnetic materials[J].Journal of Magnetism and Magnetic Materials,2004,272-276:e319. |
| [20] | Tang W;Zhang Y;Hadjipanayis G C .Effect of Zr on the microstructure and magnetic properties of Sm (Cobal Fe0.1-Cu0.088Zrx)8.5 agnets[J].Journal of Applied Physics,2000,87(01):399. |
| [21] | X. Y. Xiong;T. Ohkubo;T. Koyama .The microstructure of sintered Sm(Co_(0.72)Fe_(0.20)Cu_(0.055)Zr_(0.025))_(7.5) permanent magnet studied by atom probe[J].Acta materialia,2004(3):737-748. |
| [22] | Vladimir P M .Phase transformation and coercivity in rareearth permanent magnets[J].Journal of Magnetism and Magnetic Materials,2005,290-291:1274. |
| [23] | Lefèvre A;Cataldo L;Cohen-Adad M T et al.Optimization of 2/17 permanent magnets using the quinary Sm-Co-Cu-Fe-Zr phase diagram[J].Journal of Alloys and Compounds,1998,275-277:556. |
| [24] | Zhang Y.;Hadjipanayis GC.;Liu JF.;Walmer MS.;Krishnan KM.;Corte-Real M. .Magnetic hardening studies in sintered Sm(Co,Cu-x,Fe,Zr)(z) 2 : 17 high temperature magnets[J].Journal of Applied Physics,2000(9 Pt.3):6722-6724. |
| [25] | Schobinger D.;Gutfleisch O.;Hinz D.;Muller KH.;Schultz L.;Martinek G. .High temperature magnetic properties of 2 : 17 Sm-Co magnets[J].Journal of Magnetism and Magnetic Materials,2002(2):1347-1349. |
| [26] | Tang K;Zhang HW;Wen QY;Zhong ZY .Demagnetization field of ferromagnetic equilateral triangular prisms[J].Physica, B. Condensed Matter,2005(1/4):96-101. |
| [27] | Cataldo L;Lefèvre A;Ducret F et al.Binary system SmCo:Revision of the phase diagram in the Co-rich field[J].Journal of Alloys and Compounds,1996,241(02):216. |
| [28] | Hadjipanayis GC.;Zhang Y.;Chui ST.;Liu JF.;Chen C. Kronmuller H.;Tang W. .High temperature 2 : 17 magnets: Relationship of magnetic properties to microstructure and processing[J].IEEE Transactions on Magnetics,2000(5 Pt.1):3382-3387. |
| [29] | W. Tang;Y. Zhang;G.C. Hadjipanayis .Microstructure and magnetic properties of Sm(Co_(bal)Fe_(x)Cu_(0.128)Zr_(0.02))_(7.0) magnets with Fe substitution[J].Journal of Magnetism and Magnetic Materials,2000(3):268-272. |
| [30] | Lectard E;Allibert H;Ballou R .Saturation magnetization and anisotropy fields in the Sm (Co1-x Cux)phase[J].Journal of Applied Physics,1994,75(10):6277. |
| [31] | Liu J F;Ding Y;Zhang Y et al.New rare-earth permanent magnets with an intrinsic coercivity of 10 kOe at 500℃[J].Journal of Applied Physics,1999,85(08):5660. |
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