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The Philosophical Magazine: A Journal of Theoretical Experimental and Applied Physics
Series 8
Volume 29, 1974 - Issue 6
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Original Articles

Dislocation dissociation in stoichiometric MgAl2O4 spinel observed by weak-beam electron microscopy

G. Welsch Department of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio, 44106, U.S.A.
,
L. Hwang Department of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio, 44106, U.S.A.
,
A. H. Heuer Department of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio, 44106, U.S.A.
&
T. E. Mitchell Department of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio, 44106, U.S.A.
Pages 1371-1379 | Received 25 Feb 1974, Published online: 20 Aug 2006

Citations (35)

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Read on this site (9)

W.T. Donlon, A.H. Heuer & T.E. Mitchell. (1998) Compositional softening in Mg-Al spinel. Philosophical Magazine A 78:3, pages 615-641.
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J.J. Couderc, S. Fritsch, M. Brieu, G. Vanderschaeve, M. Fagot & A. Rousset. (1994) A transmission electron microscopy study of lattice defects in Mn3O4 hausmannite. Philosophical Magazine B 70:5, pages 1077-1094.
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T. E. Mitchell, K. P. D. Lagerlöf & A. H. Heuer. (1985) Dislocations in ceramics. Materials Science and Technology 1:11, pages 944-949.
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P. Veyssiere. (1983) Dislocation structure in non-stoichiometric oxides. Radiation Effects 74:1-4, pages 1-15.
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W.T. Donlon, T.E. Mitchell & A.H. Heuer. (1982) Work softening in stoichiometric spinel (MgAl2O4). Philosophical Magazine A 45:6, pages 1013-1036.
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ParT. Bretheau, J. Castaing, J. Rabier & P. Veyssière. (1979) Mouvement des dislocations et plasticité à haute température des oxydes binaires et ternaires. Advances in Physics 28:6, pages 835-1014.
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W.T. Donlon, T.E. Mitchell & A.H. Heueb. (1979) Climb dissociation of network dislocations in non–stoichiometric Mg–Al spinel. Philosophical Magazine A 40:3, pages 351-366.
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P. Veyssière, J. Rabier, H. Garem & J. Grilhé. (1978) Influence of temperature on dissociation of dislocations and plastic deformation in spinel oxides. Philosophical Magazine A 38:1, pages 61-79.
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ParP. Veyssière, J. Rabier, H. Garem & J. Grilhé. (1976) Sous-joints de dislocations et dissociations dans le ferrite de nickel déformé plastiquement à 0,85 TF . The Philosophical Magazine: A Journal of Theoretical Experimental and Applied Physics 33:1, pages 143-163.
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Articles from other publishers (26)

Zhuoqi Shi, Qingliang Zhao, Bing Guo, Tianyu Ji & Hao Wang. (2020) A review on processing polycrystalline magnesium aluminate spinel (MgAl2O4): Sintering techniques, material properties and machinability. Materials & Design 193, pages 108858.
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Terence E. Mitchell. 2013. Ceramics Science and Technology. Ceramics Science and Technology 379 436 .
K.E. Sickafus. 2012. Comprehensive Nuclear Materials. Comprehensive Nuclear Materials 123 139 .
Terence E. Mitchell. 2010. Ceramics Science and Technology. Ceramics Science and Technology 379 436 .
T.E. Mitchell & A.H. Heuer. 2004. 339 402 .
Rosa Anna Fregola, Eugenio Scandale & Giuseppe De Lorenzo. (2000) XRDT study of spinel magnesium aluminate natural crystals.. Materials Chemistry and Physics 66:2-3, pages 149-154.
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Toyohiko Yano. (2004) Effects of Neutron Irradiation on the Mechanical Properties of Magnesium Aluminate Spinel Single Crystals and Polycrystals. Journal of the American Ceramic Society 82:12, pages 3355-3364.
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Terence E. Mitchell. (2004) Dislocations and Mechanical Properties of MgO‐Al2O3 Spinel Single Crystals. Journal of the American Ceramic Society 82:12, pages 3305-3316.
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C.-J. Ting & H.-Y. Lu. (1999) Hot-pressing of magnesium aluminate spinel—II. Microstructure development1This paper is based in part on the thesis submitted by C.-J. Ting in 1997 to National Sun Yat-Sen University in partial fulfilment of the requirements for Ph.D.1. Acta Materialia 47:3, pages 831-840.
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T.E. Mitchell, W.T. Donlon & A.H. Heuer. (1998) Solution softening in spinel∗∗Submitted to Scripta Materialia. Scripta Materialia 39:4-5, pages 537-544.
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Toyohiko Yano, Masanori Ikari, Takayoshi Iseki, Eugene H. Farnum, Frank W. ClinardJr.Jr. & T. E. Mitchell. (2005) Effect of Neutron Irradiation on Knoop Microhardness Anisotropy in MgO·3Al 2 O 3 Single Crystals . Journal of the American Ceramic Society 78:6, pages 1469-1474.
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Kiyomichi Nakai, Ken-ichi Fukumoto & Chiken Kinoshita. (1992) Characteristics of the loop formation process in the MgO-Al2O3 system irradiated with fission neutrons. Journal of Nuclear Materials 191-194, pages 630-634.
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K.M. Ostyn & C.B. Carter. (2020) Dislocation dissociation in low-angle spinel boundaries. Proceedings, annual meeting, Electron Microscopy Society of America 41, pages 50-51.
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M. Madon & J.P. Poirier. (1983) Transmission electron microscope observation of α, β and γ (Mg, Fe)2SiO4 in shocked meteorites: planar defects and polymorphic transitions. Physics of the Earth and Planetary Interiors 33:1, pages 31-44.
Crossref
H. Wendt, K. M. Ostyn & C. B. Carter. (2011) Dislocation Dissociation in MgQnAl 2 O 3 Spinels . MRS Proceedings 24.
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D. Bonnenberg & K. A. Hempel. 1980. Part B: Spinels, Fe Oxides, and Fe-Me-O Compounds. Part B: Spinels, Fe Oxides, and Fe-Me-O Compounds 683 691 .
D. Bonnenberg & K. A. Hempel. 1980. Part B: Spinels, Fe Oxides, and Fe-Me-O Compounds. Part B: Spinels, Fe Oxides, and Fe-Me-O Compounds 654 662 .
T. E. MITCHELL. (1979) Application of Transmission Electron Microscopy to the Study of Deformation in Ceramic Oxides. Journal of the American Ceramic Society 62:5-6, pages 254-267.
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N. Doukhan. (1979) T.E.M. investigations of room temperature microplasticity in MgAl2O 4 spinel. Journal de Physique Lettres 40:22, pages 603-606.
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N. Doukhan, R. Duclos & B. Escaig. (1979) Sessile dissociation in the stoichiometric spinel MgAl2O4. Journal de Physique 40:4, pages 381-387.
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P. Veyssiere, J. Rabier & J. Grilhe. (1977) Comment on ?Deformation in spinel?. Journal of Materials Science 12:3, pages 620-621.
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R. K. Mishra. (2020) High Voltage Electron Microscopy of Defects in Lithium Ferrite Spinel. Proceedings, annual meeting, Electron Microscopy Society of America 34, pages 376-377.
Crossref
T. E. Mitchell, L. Hwang & A. H. Heuer. (1976) Deformation in spinel. Journal of Materials Science 11:2, pages 264-272.
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G. Welsch, R. Gibala & T.E. Mitchell. (1975) Structure of dislocations in tantalum and tantalum-nitrogen alloys. Acta Metallurgica 23:12, pages 1461-1468.
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P. Veyssière, J. Rabier & J. Grilhé. (1975) Stacking fault energy computations in oxides with normal and inverse spinel structures. Physica Status Solidi (a) 31:2, pages 605-614.
Crossref
L. Hwang, A. H. Heuer & T. E. Mitchell. 1975. Deformation of Ceramic Materials. Deformation of Ceramic Materials 257 270 .

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