Magnetic domain structure of thermally demagnetized CoPt crystals at early stages of ordering under the effect of a tensile load

Physics of Metals and Metallography

Volumn 91, Issue 6, 2001, Pages 559-577

  Vlasova, N I ^a   Shchegoleva, N N ^a   Kandaurova, G S ^b   Shilova, N F ^a  

^a INSTITUTE OF METAL PHYSICS   (Russian Federation)

^b URAL FEDERAL UNIVERSITY   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0035535952     PISSN: 0031918X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (42)

1. Kneller, E.F. and Hawig, R., The Exchange-Spring Magnet: A New Material Principle for Permanent Magnets, IEEE Trans. Magn., 1991, vol. MAG-27, no. 4, pp. 3588-3600.
2. Schrefl, T., Fidler, J., and Kronmuller, H., Remanence and Coercivity in Isotropic Nanocrystalline Permanent Magnets, Phys. Rev. B: Condens. Matter., 1994, vol. 49, no. 9, pp. 6100-6110.
3. Hadjipanayis, G.C. and Gong, W., Lorentz Microscopy in Melt-Spun R-Fe-B Alloys, J. Magn. Magn. Mater., 1987, vol. 66, pp. 390-396.
4. Panin, V.E., Egorushkin, V.E., Makarov, P.V., et al., Fizicheskaya mezomekhanika i kowp'yuternoe konstruirovanie materialov (Physical Mesomechanics and Computer Designing of Materials), Novosibirsk: Nauka, 1995, vol. 1.
5. Vlasova, N.I., Kandaurova, G.S., Onoprienko, L.G., and Shchegoleva, N.N., Cooperative Domain Structures in High-Anisotropy Alloys with a Twin Microstructure, Usp. Fiz. Nauk, 1992, vol. 162, no. 5, pp. 161-168.
6. Vlasova, N.I. and Shur, Ya.S., The Magnetic Domain Structure and Reversal of Magnetization in Multiple-Twinned FePt Alloy Crystals, Fiz. Met. Metalloved., 1987, vol. 63, no. 4, pp. 702-713.
7. Vlasova, N.I., Shchegoleva, N.N., and Shur, Ya.S., Peculiarities of Magnetic Hysteresis Properties and Magnetic Domain Structure of the CoPt Alloy Single Crystals at the Initial Stages of Ordering, Fiz. Met. Metalloved., 1984, vol. 58, no. 4, pp. 676-687.
8. Khachaturyan, A.G., Teoriya fazovykh prevrashchenii i struktura tverdykh rastvorov (Theory of Phase Transformations and the Structure of Solid Solutions), Moscow: Nauka, 1974, pp. 286-299.
9. Lakshmann, V. and Li, J.C.M., Structure of Magnetic Domains Surrounding Metallic Glass Shear Bands, Mater. Sci. Eng., 1988, vol. 98, pp. 483-486.
10. Novikov, V.F. and Fateev, I.G., Magnitouprugie svoistva plasticheski deformirovannykh i slozhnonapryazhennykh magnetikov (Magnetoelastic Properties of Plastically Deformed and Complex-Stressed-Strained Magnets), Moscow: Nedra, 1997.
11. 4, J. Magn. Magn. Mater., 1998, vol. 190, pp. 89-97.
12. Vlasova, N.L, Kandaurova, G.S., Shchegoleva, N.N., Maikov, V.V., and Ermakov, A.E., Magnetic Properties and Cooperative Domain Structures at the Early Stages of Ordering in Cobalt-Platinum Single Crystals under Compressive Stress, Phys. Met. Metallogr., 1995, vol. 80, no. 1, pp. 17-27.
13. Maikov, V.V., Magnetic Properties of Orderable CoPt, FePd, and FePt Alloys after Mechanothermal Treatments, Cand. Sci. (Phys.-Math.) Dissertation, Sverdlovsk: Inst. of Metal Physics, Ural. Div. USSR Acad. Sci., 1991.
14. Maikov, V.V., Ermakov, A.E., Ivanova, G.V., Khrabrov, V.I., and Magat, L.M., Effect of the Degree of Long-Range Atomic Order on the Magnetic Properties of CoPt and FePd Single Crystals, Fiz. Met. Metalloved., 1989, vol. 67, no. 1, pp. 79-84.
15. Ermakov, A.E. and Maikov, V.V., Temperature Dependence of Magnetic Crystallographic Anisotropy and Spontaneous Magnetization of FePd and CoPt Alloys, Fiz. Met. Metalloved., 1990, vol. 70, no. 5, pp. 201-203.
16. Rouchy, J., Eurin, Ph., and Pauleve, J., Study of the Directional Effect of the Magnetic Field on the Ordering of CoPt 50-50, Proc. Int. Conf. Magnetism ICM-73, Moscow: Nauka, 1974, vol. 5, p. 588.
17. Yamamoto, M. and Iwata, T., Powder Patterns in Ni Crystals, Sci. Res. Tohuku Univ., 1953, vol. 5A, p. 433. Translated under the title Magnitnaya struktura ferromagnetikov (Magnetic Structure of Ferromagnets), Vonsovskii, S.V., Ed., Moscow: Inostrannaya Literatura, 1959, pp. 233-296.
18. Yamamoto, M. and Iwata, T., Powder Patterns in Ni Crystals, Sci. Res. Tohuku Univ., 1953, vol. 5A, p. 433. Translated under the title Magnitnaya struktura ferromagnetikov (Magnetic Structure of Ferromagnets), Vonsovskii, S.V., Ed., Moscow: Inostrannaya Literatura, 1959, pp. 233-296.
19. Vlasova, N.I., Shchegoleva, N.N., and Kandaurova, G.S., Polarized-Light Observation of Domain Structures in Multiple-Twinned Crystals, Phys. Met. Metallogr., 1992, vol. 74, no. 8, pp. 174-181.
20. Kandaurova, G.S., Luk'yanin, V.V., Mal'tsev, V.N., and Vlasova, N.I., Computer Modeling of Polarization-Optical Image of a Polytwinned Microstructure, Phys. Met. Metallogr., 1995, vol. 80, no. 1, pp. 1-9.
21. Ivchenko, V.A., Teitel', E.I., and Syutkin, N.N., Domain Structure of the Quenched Platinum-Cobalt Alloy and the Kinetics of Domain Growth upon Ordering, Fiz. Met. Metalloved., 1981, vol. 52, no. 1, pp. 164-171.
22. Tsurin, V.A., Filippova, N.P., and Ermakov, A.E., Study of the Kinetics of Ordering of the Equiatomic Cobalt-Platinum Alloy by the Mössbauer Method, Fiz. Met. Metalloved., 1982, vol. 54, no. 1, pp. 744-749.
23. Hirabayashi, M. and Weissmann, S., Study of CuAu I by Transmission Electron Microscopy, Acta. Metall., 1962, vol. 1, pp. 25-36.
24. Slade, J.J., Weissmann, S., Hakajima, K., and Hirabayashi, M., Stress-Strain Analysis of Single Cubic Crystals and Its Application to the Ordering of CuAu I: part II, J. Appl. Phys., 1964, vol. 35, no. 11, pp. 3364-3373.
25. Oshima, R., Sugiyama, M., and Fujita, F.E., Tweed Structures Associated with FCC-FCT Transformations in Fe-Pd Alloys, Metall. Trans. A, 1988, vol. 19, pp. 803-810.
26. Muto, S., Oshima, R., and Fujita, F.E., Elastic Softening and Elastic Strain Energy Consideration in the F.C.C.-F.C.T. Transformation of the Fe-Pd Alloys, Acta Metal. Mater., 1990, vol. 38, no. 4, pp. 685-694.
27. Zhang, B., Lelovic, M., and Soffa, W.A., The Formation of Polytwinned Structures in Fe-Pt and Fe-Pd Alloys, Scr. Metall. Mater., 1991, vol. 25, pp. 1577-1582.
28. Plakhtii, V.D. and Tyapkin, Yu.D., The Spatial Distribution of Domains in DO Blocks and Multiple Twinning upon Ordering of Co-Pt Alloy, Metallofizika (Kiev), 1984, vol. 6, no. 4, pp. 88-90.
29. Mitsek, A.I., Effect of Atomic Ordering on the Elastic and Magnetic Properties of Cubic Alloys, Metallofizika (Kiev), 1980, vol. 2, no. 3, pp. 26-33.
30. Zhang, B. and Soffa. W.A., Microstructure and Magnetic Domain Structure in Fe-Pt and Fe-Pd Polytwinned Alloys, IEEE Trans. Magn., 1991, vol. MAG-27, no. 6, pp. 5329-5330.
31. Barsch, G.R. and Krumhansl, J.A., Nonlinear and Nonlocal Continuum Model of Transformation Precursors in Martensites, Metall. Trans. A, 1988, vol. 19, pp. 761-774.
32. Narasimhamurty, T.S., Photoelastic and Electro-Optic Properties of Crystals, New York: Plenum, 1981. Translated under the title Fotouprugie i elektroopticheskie svoistva kristallov, Moscow: Mir, 1984.
33. Narasimhamurty, T.S., Photoelastic and Electro-Optic Properties of Crystals, New York: Plenum, 1981. Translated under the title Fotouprugie i elektroopticheskie svoistva kristallov, Moscow: Mir, 1984.
34. Indenbom, V.L. and Tomilovskii, G.E., The Microstructure of Stresses in Slip Lines and Dislocations, Dokl. Akad. Nauk SSSR, 1958, vol. 123, no. 4, pp. 673-676.
35. Indenbom, V.L., Nikitenko, V.I., and Milevskii, L.S., Observation of Internal Stresses around Dislocations in Silicon, Dokl. Akad. Nauk SSSR. 1961, vol. 141, no. 6, pp. 1360-1362.
36. Shaskol'skaya, M.P. and Fan Sun Jui, On the Mechanism of the Plastic Deformation in the Rock Salt Crystals, Kristallografiya, 1959, vol. 4, no. 1, pp. 74-84.
37. Vlasko-Vlasov, V.K., Dedukh, L.M., and Nikitenko, V.I., Polarization-Optical Study of the Magnetization around Individual Dislocations in the Yttrium Iron Garnet Single Crystals, Zh. Eksp. Teor. Fiz., 1973, vol. 65, no. 1(7), pp. 375-395.
38. 3Si, Metall. Trans. A, 1988, vol. 19, pp. 797-801.
39. Dunaev, F.N., Protsessy peremagnichivaniya ferromagnetikov (Magnetization Reversal Processes in Ferromagnets), Sverdlovsk: Ural. Gos. Univ., 1979.
40. Shchegoleva, N.N. and Magat, L.M., The Microstructure of the Equiatomic FePd Alloy, Fiz. Met. Metalloved., 1975, vol. 39, no. 3, pp. 528-532.
41. Vonsovskii, S.V. and Shur, Ya.S., Ferromagnetizm (Ferromagnetism), Moscow: Gostekhizdat, 1948.
42. Vlasova, N.I., Kandaurova, G.S., and Shchegoleva, N.N., Effect of the Parameters of Twin Microstructure on the Magnetic Domain Structure of CoPt-Type Alloys: A Review. Phys. Met. Metallogr., 2000, vol. 90, no. 3, pp. 239-258.