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Theoretical analysis of dislocation splittings in MoSi2
- 1.0349233 - ÚFM 2011 RIV GB eng J - Journal Article
Paidar, Václav - Čák, Miroslav - Šob, Mojmír - Vitek, V.
Theoretical analysis of dislocation splittings in MoSi2.
Journal of Physics: Conference Series. Roč. 240, - (2010), 012007/1/-012007/6/. ISSN 1742-6588. E-ISSN 1742-6596
R&D Projects: GA AV ČR IAA100100920; GA MŠMT OC09011; GA MŠMT OC09014
Institutional research plan: CEZ:AV0Z20410507; CEZ:AV0Z10100520
Keywords : dislocation splitting * MoSi2
Subject RIV: BM - Solid Matter Physics ; Magnetism
Due to a lower symmetry of the tetragonal C11b structure when compared with the cubic BCC lattice, the 1/2[331] dislocation cores are split asymmetrically contrary to the 1/2[111]; BCC dislocations. This has essential impact on their behaviour and, consequently, on mechanical properties. Various types of dislocation dissociations are analyzed in the frame of anisotropic elasticity with the help of the data from ab initio calculations of gamma-surfaces for generalized stacking faults in intermetallic compound MoSi2.
Permanent Link: http://hdl.handle.net/11104/0189529
Number of the records: 1