Numerical Simulation of Dislocation Cross-Slip with Annihilation in Non-Symmetric Configuration

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F15%3A00239627" target="_blank" >RIV/68407700:21110/15:00239627 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21340/15:00239627

Výsledek na webu

<a href="http://przyrbwn.icm.edu.pl/APP/PDF/128/a128z4p64.pdf" target="_blank" >http://przyrbwn.icm.edu.pl/APP/PDF/128/a128z4p64.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.12693/APhysPolA.128.737" target="_blank" >10.12693/APhysPolA.128.737</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Numerical Simulation of Dislocation Cross-Slip with Annihilation in Non-Symmetric Configuration

Popis výsledku v původním jazyce

An interpretation of the experimentally determined critical distance of the screw dislocation annihilation in persistent slip bands is still an open question. We attempt to analyze this problem using discrete dislocation dynamics simulations. Dislocations are represented by parametrically described curves. The model is based on the numerical solution of the dislocation motion law belonging to the class of curvature driven curve dynamics. We focus on the simulation of the cross-slip of one edge dislocation curve bowing out of the wall of a persistent slip band channel and one screw dislocation gliding through the channel. The dislocations move under their mutual interaction, the line tension and an applied stress. A cross-slip leads to annihilation of the dipolar parts. In the changed topology each dislocation evolves in two slip planes and the plane where cross-slip occurred. The goal of our work is to develop and test suitable mathematical and physical model of the situation. The simu

Název v anglickém jazyce

Numerical Simulation of Dislocation Cross-Slip with Annihilation in Non-Symmetric Configuration

Popis výsledku anglicky

An interpretation of the experimentally determined critical distance of the screw dislocation annihilation in persistent slip bands is still an open question. We attempt to analyze this problem using discrete dislocation dynamics simulations. Dislocations are represented by parametrically described curves. The model is based on the numerical solution of the dislocation motion law belonging to the class of curvature driven curve dynamics. We focus on the simulation of the cross-slip of one edge dislocation curve bowing out of the wall of a persistent slip band channel and one screw dislocation gliding through the channel. The dislocations move under their mutual interaction, the line tension and an applied stress. A cross-slip leads to annihilation of the dipolar parts. In the changed topology each dislocation evolves in two slip planes and the plane where cross-slip occurred. The goal of our work is to develop and test suitable mathematical and physical model of the situation. The simu

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BA - Obecná matematika

OECD FORD obor

—

Projekt

<a href="/cs/project/GAP108%2F12%2F1463" target="_blank" >GAP108/12/1463: Dvouúrovňová diskrétně-spojitá dislokační dynamika</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Acta Physica Polonica A

ISSN

0587-4246

e-ISSN

—

Svazek periodika

128

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

PL - Polská republika

Počet stran výsledku

3

Strana od-do

737-739

Kód UT WoS článku

000366357300065

EID výsledku v databázi Scopus

2-s2.0-84950253774