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  1. Journal of Applied Mechanics and Technical Physics
  2. Journal of Applied Mechanics and Technical Physics : Volume 55
  3. Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 4, July 2014
  4. First-principles study of full a-dislocations in pure magnesium
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Journal of Applied Mechanics and Technical Physics : Volume 58
Journal of Applied Mechanics and Technical Physics : Volume 57
Journal of Applied Mechanics and Technical Physics : Volume 56
Journal of Applied Mechanics and Technical Physics : Volume 55
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 6, November 2014
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 5, September 2014
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 4, July 2014
Experimental study of the effect of electromagnetic microwave radiation on parts made of high-energy polymer materials
Analytical model of motion of turbulent vortex rings in an incompressible fluid
Electrohydrodynamic peristaltic flow of a dielectric Oldroydian viscoelastic fluid in a flexible channel with heat transfer
Determination of relaxation and dislocation characteristics of metals on the basis of shock compression diagrams
Criterial analysis of the effect of vibrations of an airfoil surface element on the transonic flow structure
Mechanism of self-oscillations in a supersonic jet impact onto an obstacle 1. Obstacle with a spike
Numerical study of the DLC film flow field in the ECR-PECVD reaction chamber
Numerical study of turbulent structures for lean premixed prevaporized combustion
Hydrodynamic action of the fluid slowly flowing around a spheroidal particle covered by a viscous film
Mixed convection in an inclined lid-driven cavity with non-uniform heating on both sidewalls
Sublimation of a crystal slowed by sorption of foreign molecules from a gaseous medium
State space approach to unsteady magnetohydrodynamics natural convection heat and mass transfer through a porous medium saturated with a viscoelastic fluid
First-principles study of full a-dislocations in pure magnesium
Generalization of the Prandtl problem for a creep model
Radial expansion of a cylindrical or spherical cavity in an infinite porous medium
Steady-state creep of bent reinforced metal-composite plates with consideration of their reduced resistance to transverse shear 2. Analysis of calculated results
Modeling of the random packing of a loose layer of polydisperse spherical particles
Limit model of electrochemical dimensional machining of metals
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 3, May 2014
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 2, March 2014
Journal of Applied Mechanics and Technical Physics : Volume 55, Issue 1, January 2014
Journal of Applied Mechanics and Technical Physics : Volume 54
Journal of Applied Mechanics and Technical Physics : Volume 53
Journal of Applied Mechanics and Technical Physics : Volume 52
Journal of Applied Mechanics and Technical Physics : Volume 51
Journal of Applied Mechanics and Technical Physics : Volume 50
Journal of Applied Mechanics and Technical Physics : Volume 49
Journal of Applied Mechanics and Technical Physics : Volume 48
Journal of Applied Mechanics and Technical Physics : Volume 47
Journal of Applied Mechanics and Technical Physics : Volume 46
Journal of Applied Mechanics and Technical Physics : Volume 45
Journal of Applied Mechanics and Technical Physics : Volume 44
Journal of Applied Mechanics and Technical Physics : Volume 43
Journal of Applied Mechanics and Technical Physics : Volume 42
Journal of Applied Mechanics and Technical Physics : Volume 41
Journal of Applied Mechanics and Technical Physics : Volume 40
Journal of Applied Mechanics and Technical Physics : Volume 39
Journal of Applied Mechanics and Technical Physics : Volume 38

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First-principles study of full a-dislocations in pure magnesium

Content Provider SpringerLink
Author Fan, T. Luo, L. Ma, L. Tang, B. Peng, L. Ding, W.
Copyright Year 2014
Abstract Full a-dislocations on the (0001) basal plane, $$(10\bar 10)$$ prismatic plane, and $$(10\bar 11)$$ and $$(10\bar 12)$$ pyramidal planes in pure magnesium are investigated by using the Peierls-Nabarro model combined with generalized stacking fault (GSF) energies from first-principles calculations. The results show that the $$\left( {10\bar 11} \right)\left\langle {11\bar 20} \right\rangle$$ and $$\left( {10\bar 12} \right)\left\langle {11\bar 20} \right\rangle$$ slip modes have nearly the same GSF energy barriers, which are obviously larger than the GSF energy barriers of the $$\left( {0001} \right)\left\langle {11\bar 20} \right\rangle$$ and $$\left( {10\bar 10} \right)\left\langle {11\bar 20} \right\rangle$$ slip modes. For both edge and screw full dislocations, the maximum dislocation densities, Peierls energies, and stresses of dislocations on the $$(10\bar 10)$$ , (0001), $$(10\bar 11)$$ , and $$(10\bar 12)$$ planes eventually increase. Moreover, the Peierls energies and the stresses of screw full dislocations are always lower than those of edge full dislocations for all slip systems. Dislocations on the $$(10\bar 11)$$ and $$(10\bar 12)$$ pyramidal planes possess smaller core energies, while the $$(10\bar 10)$$ prismatic plane has the largest ones, implying that the formation of full dislocations on the $$(10\bar 10)$$ plane is more difficult.
Starting Page 672
Ending Page 681
Page Count 10
File Format PDF
ISSN 00218944
Journal Journal of Applied Mechanics and Technical Physics
Volume Number 55
Issue Number 4
e-ISSN 15738620
Language English
Publisher Pleiades Publishing
Publisher Date 2014-08-06
Publisher Place Moscow
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword magnesium dislocation Peierls-Nabarro model generalized stacking fault energy Peierls stress Mechanics Fluid- and Aerodynamics Classical Continuum Physics Applications of Mathematics Mathematical Modeling and Industrial Mathematics Mechanical Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Condensed Matter Physics Mechanical Engineering
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