Journal ArticleDOI
A model for the mobile dislocation density
TLDR
In this paper, the authors considered the variation of mobile dislocation density during plastic deformation by treating a dislocation model of the statistical distribution of internal stresses, based on the idea that for a given applied stress, only certain dislocations in regions with low internal back stresses are free to move and contribute to plastic flow.About:
This article is published in Acta Metallurgica.The article was published on 1973-10-01. It has received 32 citations till now. The article focuses on the topics: Peierls stress & Dislocation creep.read more
Citations
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Journal ArticleDOI
Hydrogen transport by dislocations
TL;DR: In this article, a kinetic model for the transport of hydrogen, as Cottrell atmospheres on dislocation, at a rate appreciably in excess of that for lattice diffusion is presented.
Journal ArticleDOI
A model for high temperature deformation of dispersion strengthened metals based on substructural observations in Ni-20Cr-2ThO2
J.H Hausselt,William D. Nix +1 more
TL;DR: In this article, the deformation behavior of single crystalline and polycrystalline Ni-20Cr-2ThO2 tested in compression has been studied in the temperature range 700-1100°C.
Journal ArticleDOI
Dislocation structure in the high temperature creep of metals and solid solution alloys: a review
A. Orlová,Josef Čadek +1 more
TL;DR: The present knowledge and ideas on the dislocation substructures in high temperature creep of metals and solid solution alloys are reviewed with special reference to contributions that appeared in the last decade.
Journal ArticleDOI
Creep and rupture in Type 316 stainless steel at temperatures between 525 and 900°C Part I: Creep rate
D. G. Morris,D. R. Harries +1 more
TL;DR: In this paper, the authors examined the creep behavior of Type 316 stainless steel at temperatures of 525 to 900°C using a range of stresses producing failure in 1-104 h. The influence of the loading strain in determining the intragranular carbide density and the subsequent creep rate is indicated.
References
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Journal ArticleDOI
Dislocation Velocities, Dislocation Densities, and Plastic Flow in Lithium Fluoride Crystals
W. G. Johnston,John J. Gilman +1 more
TL;DR: In this paper, the authors measured the velocities of individual dislocations in LiF, covering a range of twelve orders of magnitude in velocity, from 10−7 cm/sec to 105cm/sec.
Book ChapterDOI
Dislocations and Plastic Flow in the Diamond Structure
H. Alexander,P. Haasen +1 more
TL;DR: In this article, it is suggested that the high resistance to dislocation motion of D.S. crystals stems from a high Peierls potential, and the effect of this potential on dislocation dynamics is discussed.
Journal ArticleDOI
Yield Points and Delay Times in Single Crystals
TL;DR: In this article, the authors obtained stress-strain curves and transient creep curves for single crystals from calculations based on the observed behavior of dislocations in LiF, and the strain rate equation, e=bnv.
Related Papers (5)
A model based on dislocation distributions for work-hardening and the density of mobile and immobile dislocations during plastic flow
Rune Lagneborg,B.-H Forsen +1 more
Application of the methods of dislocation dynamics to describe plastic flow in both b.c.c. and f.c.c. metals
George M. Pharr,William D. Nix +1 more