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Philosophical Magazine A Volume 64, 1991 - Issue 2
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Original Articles

The locking of 〈110〉 edge dislocations on {001} in L12 ordered compounds: High-resolution electron-microscopy observations

Y. Q. Sun Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, England
,
P. M. Hazzledine Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, England
,
M. A. Crimp Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, England; Department of Metallurgy, Mechanics and Materials Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA
&
A. Couret Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, England; CEMES, Laboratoire d'Optique Electronique (CNRS), 29 rue J. Marig, B.P. 4347.31055, Toulouse, Cedex, France
Pages 311-331 | Received 04 Oct 1990, Accepted 25 Nov 1990, Published online: 20 Aug 2006

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Roland Bonnet & Salem Neily. (2015) An anisotropic thin crystal deformed by an inclined dislocation. Philosophical Magazine 95:25, pages 2764-2776.
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B. Viguier, T. Kruml & J. L. Martin. (2006) Loss of strength in Ni3Al at elevated temperatures. Philosophical Magazine 86:25-26, pages 4009-4021.
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M. Taniguchi , K. Morizumi , S. Miyazaki, S. Kumai & A. Sato. (2006) Dislocation motion on octahedral and cube planes in Fe Ge polycrystals . Philosophical Magazine 86:10, pages 1327-1354.
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Egle Conforto , Guy Molénat & Daniel Caillard . (2005) Comparison of Ni-based alloys with extreme values of antiphase boundary energies: dislocation mechanisms and mechanical properties. Philosophical Magazine 85:2-3, pages 117-137.
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Yu-Lung Chiu & Patrick Veyssière. (2003) Kear-Wilsdorf locks and the generation of antiphase-boundary tubes in L1 2 alloys. Philosophical Magazine 83:2, pages 179-202.
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S. Ueta, K. Jumonji, K. Kanazawa, M. Kato & A. Sato. (1997) Cube slips and anomalous strengthening in Ni3Ge single crystals. Philosophical Magazine A 75:2, pages 563-585.
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K. Jumonji, S. Ueta, A. Miyahara, M. Kato & A. Sato. (1996) Rapid work hardening caused by cube cross slip in Ni3Al single crystals. Philosophical Magazine A 73:2, pages 345-364.
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G. Molénat & D. Caillard. (1994) Investigations of dislocation mechanisms in Ni3Al at different temperatures: in situ straining experiments in a transmission electron microscope. Philosophical Magazine A 69:5, pages 939-959.
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ParM. Loubradou, R. Bonnet & J.M. Péenisson. (1994) Structures atomiques de dislocations à l'intersection de fautes d'empilement dans un cristal c.f.c. à base (Ni, Co). Philosophical Magazine Letters 69:2, pages 53-59.
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A.H. W. Ngan, I.P. Jones & R.E. Smallman. (1993) Reactions of cube dislocations in the L12 intermetallic compound Fe3Ge. Philosophical Magazine A 68:5, pages 977-991.
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Y.Q. Sun, P.M. Hazzledine & J.W. Christian. (1993) Intersections of deformation twins in TiAl II. Models and analyses. Philosophical Magazine A 68:3, pages 495-516.
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Takayuki Takasugi & Mitsuhiko Yoshida. (1993) Dislocation structures for octahedral slip in Ni3(Si, Ti) single crystals at elevated temperatures. Philosophical Magazine A 67:2, pages 447-462.
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V. Paidar, G. Molenat & D. Caillard. (1992) Dynamic dissociations of >101< dislocations in L12 alloys. Philosophical Magazine A 66:6, pages 1183-1194.
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Mitsuhiko Yoshida & Takayuki Takasugi. (1992) Dislocation structures in ni3(si, ti) single crystals deformed on {001} slip. Philosophical Magazine A 66:1, pages 89-102.
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G. Molénat & D. Caillard. (1992) In situ observation of <110> edge and screw dislocations gliding in cube planes of Ni3Al. Philosophical Magazine A 65:6, pages 1327-1338.
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A. Korner. (1992) Octahedral cross-slip in Ni3(Al, Ti) deformed at −196°C. Philosophical Magazine Letters 65:4, pages 195-201.
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C. Coupeau, J. Michel, J. Bonneville & M. Drouet. (2020) An atomic-scale insight into Ni3Al slip traces. Materialia 9, pages 100563.
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Haijing Zhou, Longfei Li, Stoichko Antonov & Qiang Feng. (2020) Sub/micro-structural evolution of a Co–Al–W–Ta–Ti single crystal superalloy during creep at 900 °C and 420 MPa. Materials Science and Engineering: A 772, pages 138791.
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H. J. Zhou, L. F. Li, S. Antonov & Q. Feng. 2020. Superalloys 2020. Superalloys 2020 891 900 .
Song Lu, Stoichko Antonov, Longfei Li & Qiang Feng. (2018) Two Steady-State Creep Stages in Co-Al-W-Base Single-Crystal Superalloys at 1273 K/137 MPa. Metallurgical and Materials Transactions A 49:9, pages 4079-4089.
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H.J. Zhou, H. Chang & Q. Feng. (2017) Transient minimum creep of a γ′ strengthened Co-base single-crystal superalloy at 900 °C. Scripta Materialia 135, pages 84-87.
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Qin-Na Fan, Chong-Yu Wang & Tao Yu. (2016) Construction of ternary Ni–Al–Ta potential and its application in the effect of Ta on [1 1 0] edge dislocation slipping in γ′(Ni3Al). Computational Materials Science 118, pages 288-296.
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Hongxian Xie, Tao Yu & Chengchun Tang. (2013) Motion mechanism of the edge dislocation slipping in the cubic plane of Ni 3 Al single crystals . Modelling and Simulation in Materials Science and Engineering 21:5, pages 055008.
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Yaxin Zhu, Zhenhuan Li & Minsheng Huang. (2013) Atomistic modeling of the interaction between matrix dislocation and interfacial misfit dislocation networks in Ni-based single crystal superalloy. Computational Materials Science 70, pages 178-186.
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Hong-Xian Xie, Liu Bo & Tao Yu. (2011) Molecular dynamics simulation of an edge dislocation slipping on a cubic plane of Ni 3 Al . Modelling and Simulation in Materials Science and Engineering 19:6, pages 065005.
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B. Viguier, T. Kruml & J.L. Martin. (2004) Plasticity of Ni3(Al, Hf) above the stress peak temperature. Materials Science and Engineering: A 387-389, pages 960-964.
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. 2003. Thermally Activated Mechanisms in Crystal Plasticity. Thermally Activated Mechanisms in Crystal Plasticity 363 415 .
T.M. Pollock & R.D. Field. 2002. 547 618 .
K.J. Hemker. 2001. Encyclopedia of Materials: Science and Technology. Encyclopedia of Materials: Science and Technology 2263 2271 .
Q.Z. Chen, A.H.W. Ngan & B.J. Duggan. (1998) An in-situ TEM study of the L12 to DO19 phase transformation in the intermetallic compound Fe3Ge. Intermetallics 6:2, pages 105-114.
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T.S Rong, I.P Jones & R.E Smallman. (1997) Pre-creep strain on single crystal Ni3Al. Acta Materialia 45:5, pages 2139-2145.
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D. Caillard. (1996) A model for the anomalous mechanical properties of nickel-base L12 ordered alloys — II. Cross-slip processes and mechanical properties. Acta Materialia 44:7, pages 2773-2785.
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D. Caillard & V. Paidar. (1996) A model for the anomalous mechanical properties of nickel-base L12 ordered alloys—I. Dislocations dynamics. Acta Materialia 44:7, pages 2759-2771.
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Patrick Veyssière & Georges Saada. 1996. L12 Ordered Alloys. L12 Ordered Alloys 253 441 .
D. Caillard & A. Couret. 1996. L12 Ordered Alloys. L12 Ordered Alloys 69 134 .
Y.Q. Sun & P.M. Hazzledine. 1996. L12 Ordered Alloys. L12 Ordered Alloys 27 68 .
J.P. HIRTH. 1996. Physical Metallurgy. Physical Metallurgy 1831 1875 .
A. Korner. (1995) A weak-beam analysis of dissociation modes of superlattice dislocations in Ni3(Al, Ti). Materials Science and Engineering: A 192-193, pages 262-267.
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Patrick Veyssiére & J. A. Horton. (2011) Some Unusual Properties of the Fine Structure of Dislocations in Ni 3 Al Deformed at High Temperature . MRS Proceedings 364.
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Daniel Caillard. (2011) Dislocation Dynamics and Yield Stress Anomalies in Intermetallic Alloys. MRS Proceedings 364.
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R. Bonnet, A. Ati & D. David. (1992) On three-dimensional defects in the Ni3Al(γ′) phase identified by the computed imaging technique. Journal of Alloys and Compounds 188, pages 198-201.
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