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Philosophical Magazine A Volume 66, 1992 - Issue 6
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Original Articles

The dissociation of a screw superdislocation in the L12 structure

Georges Saada Laboratoire d'Etude des Microstructures, CNRS-ONERA, B.P. 72, 92322, Ch[acaron]tillon Cedex, France
&
Patrick Veyssiere Laboratoire d'Etude des Microstructures, CNRS-ONERA, B.P. 72, 92322, Ch[acaron]tillon Cedex, France
Pages 1081-1103 | Received 20 Nov 1991, Accepted 20 Mar 1992, Published online: 14 Dec 2006

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J. B. Liu & D. D. Johnson. (2014) First principle predictions of anomalous yield strength in L12 materials. Materials Research Innovations 18:sup4, pages S4-1021-S4-1025.
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Norihiko L. Okamoto, Yoshihiko Hasegawa, Wataro Hashimoto & Haruyuki Inui. (2013) Plastic deformation of single crystals of Pt3Al with the L12 structure. Philosophical Magazine 93:1-3, pages 60-81.
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R. Madec, P. Veyssière & G. Saada. (2013) Frank–Read source mechanism, mobile dislocation density exhaustion and flow stress anomaly in L12 alloys: a dislocation dynamics study. Philosophical Magazine 93:1-3, pages 222-234.
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Yifeng Liao & Ian Baker. (2011) In situ TEM observations of dislocation/anti-phase boundary interactions. Philosophical Magazine 91:24, pages 3242-3252.
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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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V. Paidar. (2000) Non-radial interaction forces between superpartials in B2 and L12 ordered alloys. Philosophical Magazine A 80:12, pages 2957-2970.
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A.T. Paxton & Y.Q. Sun. (1998) The role of planar fault energy in the yield anomaly in L12 intermetallics. Philosophical Magazine A 78:1, pages 85-104.
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Benoit Devincre, Patrick Veyssière, LadislasP. Kubin & Georges Saada. (1997) A simulation of dislocation dynamics and of the flow stress anomaly in L12 alloys. Philosophical Magazine A 75:5, pages 1263-1286.
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N. Baluc & R. Schäublin. (1996) Weak beam transmission electron microscopy imaging of superdislocations in ordered Ni3Al. Philosophical Magazine A 74:1, pages 113-136.
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D.M. Dimiduk & T.A. Parthasarathy. (1995) Implications from pre-straining experiments on emerging kink-based models for anomalous flow in L12 alloys. Philosophical Magazine Letters 71:1, pages 21-31.
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J. Fang, E.M. Schulson & I. Baker. (1994) The dislocation structure in L12 ordered alloy Ni3Ge. Philosophical Magazine A 70:6, pages 1013-1025.
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G. Schoeck. (1994) The instability of Paidar-Pope-Vitek locks in L12 compounds. Philosophical Magazine Letters 70:4, pages 179-187.
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C.T. Chou & P.B. Hirsch. (1993) Computer simulation of the motion of screw dislocations in Ni3Al. Philosophical Magazine A 68:6, pages 1097-1128.
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K.J. Hemker & M.J. Mills. (1993) Measurements of antiphase boundary and complex stacking fault energies in binary and B-doped Ni3Al using TEM. Philosophical Magazine A 68:2, pages 305-324.
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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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Articles from other publishers (41)

X.F. Gong, Z.H. Gao, L.P. Nie, S. Qiu, Q. Yu, H. Wu, G.P. Zheng & Z.B. Jiao. (2023) Alloying effects on site preference, mechanical properties, and deformation behavior of L12 Co–Ti-based alloys. Journal of Materials Research and Technology 24, pages 1429-1441.
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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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Hui Yang, Zhenhuan Li & Minsheng Huang. (2014) Modeling of abnormal mechanical properties of nickel-based single crystal superalloy by three-dimensional discrete dislocation dynamics. Modelling and Simulation in Materials Science and Engineering 22:8, pages 085009.
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Ruoshi Sun & D. D. Johnson. (2013) Stability maps to predict anomalous ductility in B2 materials. Physical Review B 87:10.
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Bai Lin Lü, Guo Qing Chen, Shen Qu, Hui Su & Wen Long Zhou. (2013) First-principle calculation of yield stress anomaly of Ni3Al-based alloys. Materials Science and Engineering: A 565, pages 317-320.
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S.I. Rao, D.M. Dimiduk, T.A. Parthasarathy, M.D. Uchic & C. Woodward. (2012) Atomistic simulations of intersection cross-slip nucleation in L12 Ni3Al. Scripta Materialia 66:6, pages 410-413.
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Joël Bonneville, Dimitri Charrier & Christophe Coupeau. (2011) Contribution of AFM Observations to the Understanding of Ni<sub>3</sub>Al Yield Stress Anomaly. Applied Mechanics and Materials 61, pages 71-77.
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Venkateswara Rao Manga, James E. Saal, Yi Wang, Vincent H. Crespi & Zi-Kui Liu. (2010) Magnetic perturbation and associated energies of the antiphase boundaries in ordered Ni3Al. Journal of Applied Physics 108:10.
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Christophe Coupeau & Joël Bonneville. (2007) How do nanometer scale dislocation traces evolve in the stress anomaly domain of intermetallics?. Applied Physics Letters 90:17.
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J.B. Liu, D.D. Johnson & A.V. Smirnov. (2005) Predicting yield-stress anomalies in L12 alloys: Ni3Ge–Fe3Ge pseudo-binaries. Acta Materialia 53:13, pages 3601-3612.
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Yu. A. Abzaev, V. A. Starenchenko & �. V. Kozlov. (2005) Analysis of thermally activated formation and breakdown of Kear-Wilsdorf barriers in Ni3Ge single crystals of various orientations. Journal of Applied Mechanics and Technical Physics 46:1, pages 94-101.
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J. Fikar, C. Coupeau, T. Kruml & J. Bonneville. (2004) Experimental study of Ni3Al slip traces by atomic force microscopy: an evidence of mobile dislocation exhaustion. Materials Science and Engineering: A 387-389, pages 926-930.
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A. Sato & M. Nagao. 2004. Encyclopedia of Materials: Science and Technology. Encyclopedia of Materials: Science and Technology 1 14 .
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T.J Balk, Mukul Kumar & K.J Hemker. (2001) Influence of Fe substitutions on the deformation behavior and fault energies of Ni3Ge–Fe3Ge L12 intermetallic alloys. Acta Materialia 49:10, pages 1725-1736.
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J.L. Martin. 2001. Encyclopedia of Materials: Science and Technology. Encyclopedia of Materials: Science and Technology 9776 9785 .
Manfred Fähnle, Susanne Kohlhammer & Gabriel Bester. (2011) From the Electronic Structure to the Macroscopic Behavior: A Multi-scale Analysis of Plasticity in Intermetallic Compounds. MRS Proceedings 652.
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Christophe Coupeau, Tomas Kruml & Joël Bonneville. (2011) Slip trace characterisation of Ni 3 Al by atomic force microscopy. . MRS Proceedings 646.
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T. J. Balk, Mukul Kumar, O. N. Mryasov, A. J. Freeman & K. J. Hemker. (2011) Characterizing Deformation Mechanisms in Ni 3 Ge-Fe 3 Ge Intermetallic Alloys . MRS Proceedings 552.
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Patrick Veyssière. (1998) The mechanical anomaly of L12 alloys: a review of recent experiments and models. Intermetallics 6:7-8, pages 587-592.
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Y.Q. Sun. (1997) An explanation of the small strain-rate sensitivity of Ni3Al. Acta Materialia 45:9, pages 3527-3532.
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Jeff Th. M. De Hosson, D. Schryvers & Gustaaf Van Tandeloo. 1996. Handbook of Microscopy. Handbook of Microscopy 5 110 .
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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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T.A. Parthasarathy & D.M. Dimiduk. (1996) Atomistic simulations of the structure and stability of “PPV” locks in an L12 compound. Acta Materialia 44:6, pages 2237-2247.
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Patrick Veyssière & Lem. (2011) An Analysis of The Slip of Screw Dislocations in Ll 2 Alloys . MRS Proceedings 460.
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T. Kruml, B. Viguier, J. Bonneville, P. Spätig & J. L. Martin. (2011) Dislocation Structures in Ni 3 (Al, Hf) . MRS Proceedings 460.
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Patrick Veyssière & Georges Saada. 1996. L12 Ordered Alloys. L12 Ordered Alloys 253 441 .
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Y.Q. Sun. (1995) Stability of APB-dissociated 〈111〉 screw superdislocations in B2-ordered structures. Acta Metallurgica et Materialia 43:10, pages 3775-3782.
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Y.Q. Sun. (2013) Defects in Intermetallic Compounds: How Do They Differ From Those in Ordinary Metals?. MRS Bulletin 20:7, pages 29-36.
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Georges Saada, Xiaoli Shi & Patrick VeyssiÈre Lem. (2011) The Mechanics of Cross-Slip in L1 2 Alloys . 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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G Molénat, D Caillard, Y Sun & A Couret. (1993) Substructure of dislocations in the (111) plane in Ni3Ga single crystals. Materials Science and Engineering: A 164:1-2, pages 407-410.
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Georges Saada & Patrick Veyssière. (1993) The peak of flow stress in the L12 structure and the elimination of Kear-Wilsdorf locks. Materials Science and Engineering: A 164:1-2, pages 281-285.
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