The dynamic organization of dislocation structures: A simulation

A simulation model is presented for the prediction of dislocation structures formed in metals during plastic straining. The simulation is able to account dynamically for the influence of long range interactions. The multiplication rule and the stress--velocity relation are found to be essential ingr...

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Veröffentlicht in:	Scr. Metall.; (United States) 1987-06, Vol.21 (6), p.833-838
Hauptverfasser:	Lépinoux, J., Kubin, L.P.
Format:	Artikel
Sprache:	eng
Schlagworte:	360102 - Metals & Alloys- Structure & Phase Studies Condensed matter: structure, mechanical and thermal properties CRYSTAL DEFECTS CRYSTAL STRUCTURE Defects and impurities in crystals microstructure DISLOCATIONS DYNAMICS ELEMENTS Exact sciences and technology HARDENING ISOTROPY LINE DEFECTS Linear defects: dislocations, disclinations MATERIALS SCIENCE MATHEMATICAL MODELS MECHANICAL PROPERTIES MECHANICS METALS Physics PLASTICITY STRAIN HARDENING STRAINS STRESSES STRUCTURAL CHEMICAL ANALYSIS Structure of solids and liquids crystallography THREE-DIMENSIONAL CALCULATIONS
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Beschreibung
Zusammenfassung:	A simulation model is presented for the prediction of dislocation structures formed in metals during plastic straining. The simulation is able to account dynamically for the influence of long range interactions. The multiplication rule and the stress--velocity relation are found to be essential ingredients for obtaining self-organization. Hardening by the forest is not taken into account. A few preliminary results are given for Cu deformed at room temperature. 15 ref.--D.O.N.
ISSN:	0036-9748
DOI:	10.1016/0036-9748(87)90332-2