The impact of dislocations on coercivity in L10-MnAl

Coey, 2012, Permanent magnets: plugging the gap, Scr. Mater., 67, 524, 10.1016/j.scriptamat.2012.04.036 Lewis, 2012, Perspectives on permanent magnetic materials for energy conversion and power generation, Metall. Mater. Trans. A, 44, 2, 10.1007/s11661-012-1278-2 Ohtani, 1977, Magnetic properties of Mn-Al-C permanent magnet alloys, IEEE Trans. Magn., 13, 1328, 10.1109/TMAG.1977.1059574 Kono, 1958, On the ferromagnetic phase in manganese-aluminum system, J. Phys. Soc. Jpn., 13, 1444, 10.1143/JPSJ.13.1444 Koester, 1960, Aufbau und magnetische Eigenschaften der Aluminium-Mangan-Legierungen mit mehr als 25 At% Mn, Z. Metallkd, 51, 271 Huang, 1993, Effect of quenching temperature on the formation and magnetic properties of the ferromagnetic τ-phase in Mn-Al-C alloys, Mater. Sci. Eng. B, 20, 292, 10.1016/0921-5107(93)90242-F Bittner, 2015, Twin-like defects in L10 ordered τ-MnAl-C studied by EBSD, Acta Mater., 101, 48, 10.1016/j.actamat.2015.08.044 Koch, 1960, New material for permanent magnets on a base of Mn and Al, J. Appl. Phys., 31, 75S, 10.1063/1.1984610 Bohlmann, 1962, Saturation magnetization of swaged Mn-Al, J. Appl. Phys., 33, 1315, 10.1063/1.1728709 McCurrie, 1978, Dependence of the permanent magnet properties of Mn55Al45 on particle size, IEEE Trans. Magn., 14, 682, 10.1109/TMAG.1978.1059950 Su, 2015, Strain-induced coercivity enhancement in Mn51Al46C3 flakes prepared by surfactant-assisted ball milling, J. Alloys Compd., 640, 114, 10.1016/j.jallcom.2015.04.040 van Landuyt, 1978, Defect structure and magnetic properties of MnAl permanent magnet materials, IEEE Trans. Magn., 14, 679, 10.1109/TMAG.1978.1059949 Zijlstra, 1966, Evidence by lorentz microscopy for magnetically active stacking faults in MnAl alloy, J. Appl. Phys., 37, 2853, 10.1063/1.1782138 Jakubovics, 1977, The effect of crystal defects on the domain structure of Mn-Al alloys, Phys. B, 86–88B, 1357, 10.1016/0378-4363(77)90910-X Houseman, 1983, Electron microscope study of the domain structure of MnAlC magnets, J. Magn. Magn. Mater., 31–34, 1007, 10.1016/0304-8853(83)90771-0 Hull, 2011 LeClaire, 1984, The mathematical analysis of diffusion in dislocations, 257 Freudenberger, 2010, Studies on recrystallization of single-phase copper alloys by resistance measurements, Acta Mater., 58, 2324, 10.1016/j.actamat.2009.12.018 Träuble, 1966, Magnetisierungskurve der Ferromagnetika, 257 Kronmüller, 1973, The coercive field of hard magnetic materials, Int. J. Magn., 5, 27 Brown, 1941, The effect of dislocations on magnetization near saturation, Phys. Rev., 60, 139, 10.1103/PhysRev.60.139 Kronmüller, 1967, The contribution of dislocations to the magnetocrystalline energy and their effect on rotational hysteresis processes, J. Appl. Phys., 38, 1314, 10.1063/1.1709599 Träuble, 1965, Ferromagnetische eigenschaften hexagonaler kobalt-einkristalle, Phys. Stat. Sol., 10, 283, 10.1002/pssb.19650100127 Fidler, 1981, Pinning of magnetic domain walls at dislocations and precipitates in Co5Sm crystals, Philos. Mag. B, 43, 765, 10.1080/01418638108222345 Ashby, 1970, The deformation of plastically non-homogeneous materials, Philos. Mag., 21, 399, 10.1080/14786437008238426 Nye, 1953, Some geometrical relations in dislocated crystals.pdf, Acta Metall., 1, 153, 10.1016/0001-6160(53)90054-6 Sun, 2000, Observations of lattice curvature near the interface of a deformed aluminium bicrystal, Philos. Mag. A, 80, 9, 10.1080/01418610008212038 Demir, 2009, Investigation of the indentation size effect through the measurement of the geometrically necessary dislocations beneath small indents of different depths using EBSD tomography, Acta Mater., 57, 559, 10.1016/j.actamat.2008.09.039 Wilkinson, 1997, Electron diffraction based techniques in scanning electron microscopy of bulk materials, Micron, 28, 279, 10.1016/S0968-4328(97)00032-2 Wilkinson, 1991, Quantitative deformation studies using electron back scatter patterns, Acta Metall. Mater., 39, 3047, 10.1016/0956-7151(91)90037-2 Mukherjee, 1995, Experimental investigation of thermally induced plastic deformation in mmcs using back scattered Kikuchi method, Scr. Metall. Mater., 33, 93, 10.1016/0956-716X(95)00100-A Bate, 2005, The characterization of low-angle boundaries by EBSD, J. Microsc., 220, 36, 10.1111/j.1365-2818.2005.01513.x Williamson, 1953, X-ray line broadening from filed aluminium and wolfram, Acta Metall., 1, 22, 10.1016/0001-6160(53)90006-6 de Keijser, 1982, Use of the Voigt function in a single-line method for the analysis of X-ray diffraction line broadening, J. Appl. Crystallogr., 15, 308, 10.1107/S0021889882012035 Skomski, 1999 Braun, 1963, An X-ray and neutron diffraction investigation of the magnetic phase Al0.89Mn1.11, Acta Crystallogr., 16, 737, 10.1107/S0365110X63001936 Anand, 2014, Study of ferromagnetic instability in τ-MnAl, using first-principles, J. Alloys Compd., 601, 234, 10.1016/j.jallcom.2014.01.251 Geissler, 2011, Deformation induced thermoremanent magnetisation in an FeMnNiCr antiferromagnetic alloy, J. Alloys Compd., 509, 3726, 10.1016/j.jallcom.2010.12.158 Mix, 2015, Formation and magnetic properties of the L10 phase in bulk, powder and hot compacted Mn-Ga alloys, J. Magn. Magn. Mater., 391, 89, 10.1016/j.jmmm.2015.04.097 Thielsch, 2017, Magnetization reversal processes in hot-extruded τ-MnAl-C, J. Magn. Magn. Mater., 426, 25, 10.1016/j.jmmm.2016.11.045 Brewer, 2009, Mapping and assessing plastic deformation, 251 Sakuma, 1994, Electronic structure and magnetocrystalline anisotropy energy of MnAl, J. Phys. Soc. Jpn., 4, 1422, 10.1143/JPSJ.63.1422 Edström, 2014, Electronic structure and magnetic properties of L10 binary alloys, Phys. Rev. B, 90, 014402, 10.1103/PhysRevB.90.014402 C.T. Lee, K.H. Han, I.H. Kook, W.K. Choo, Phase and lattice parameter relationships in rapidly solidified and heat-treated (Mn0.53Al0.47)100-xCx. Moze, 1988, Neutron diffraction and magnetic investigations of Ga substituted MnAl permanent magnet materials, J. Appl. Phys., 63, 4616, 10.1063/1.340140