Fundamental Aspects of Dislocation Interactions - 1st Edition - ISBN: 9781483228150, 9781483274928

Fundamental Aspects of Dislocation Interactions

1st Edition

Low-Energy Dislocation Structures III

Editors: G. Kostorz H. A. Calderon J. L. Martin
eBook ISBN: 9781483274928
Imprint: Elsevier
Published Date: 1st January 1993
Page Count: 470
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Description

Fundamental Aspects of Dislocation Interactions: Low-Energy Dislocation Structures III covers the papers presented at a European Research Conference on Plasticity of Materials-Fundamental Aspects of Dislocation Interactions: Low-Energy Dislocation Structures III, held on August 30-September 4, 1992 in Ascona, Switzerland. The book focuses on the processes, technologies, reactions, transformations, and approaches involved in dislocation interactions.
The selection first offers information on work softening and Hall-Petch hardening in extruded mechanically alloyed alloys and dynamic origin of dislocation structures in deformed solids. Discussions focus on stress-strain behavior in relation to composition, structure, and annealing; comparison of stress-strain curves with work softening theory; sweeping and trapping mechanism; and model of dipolar wall structure formation. The text then ponders on plastic instabilities and their relation to fracture and dislocation and kink dynamics in f.c.c. metals studied by mechanical spectroscopy.
The book takes a look at misfit dislocation generation mechanisms in heterostructures and evolution of dislocation structure on the interfaces associated with diffusionless phase transitions. Discussions focus on dislocation representation of a wall of elastic domains; equation of equilibrium of an elastic domain; transformation of dislocations; and theoretical and experimental background.
The selection is a valuable reference for readers interested in dislocation interactions.

Table of Contents


Preface

Organizing Committee

Work Softening and Hall-Petch Hardening in Extruded Mechanically Alloyed Alloys

On the Dynamic Origin of Dislocation Structures in Deformed Solids

Modeling the Spatiotemporal Aspects of the Portevin-Le Châtelier Effect

Plastic Instabilities and Their Relation to Fracture

Dislocation and Kink Dynamics in F.C.C. Metals Studied By Mechanical Spectroscopy

Screened Disclinations in Solids

Mechanisms of Yield Stress Anomalies in Beryllium and Ni3Al

Collective Behavior and Superdislocation Motion in L12 Alloys

Structure and Characterization of the Dislocations in Tilt Grain Boundaries between Σ = 1 and Σ = 3: a High Resolution Electron Microscopy Study

Misfit Dislocation Generation Mechanisms in Heterostructures

Evolution of Dislocation Structure on the Interfaces Associated with Diffusionless Phase Transitions

Dislocation Loops at Crack Tips: Nucleation and Growth—an Experimental Study in Silicon

Dislocation Dynamics and Brittle-to-Ductile Transitions

Internal Stresses and Scaling Laws

Deformation, Structure and Properties of Ceramics and Crystals of High-Tc Superconductors

Structure and Mobility of the Polygonized Dislocation Walls in High Purity Aluminum

Deformation Mechanisms of a Ferritic-Martensitic Steel between 290 and 870 K

On the Effect of Nitrogen on the Dislocation Structure of Austenitic Stainless Steel

Dislocation Cell Structures in Copper in Torsion and Tension

Dislocation Distributions as Seen by X-Ray Line Profiles

The Influence of Dislocations on Electrical Resistivity Anomalies in Palladium Alloys

Dislocation Structure in L12 Long-Range-Ordered Ni3(Al,Ti) Deformed in the Temperature Regime between - 196°C and 800°C

Dynamic Recovery of the Microstructure of Screw Dislocations in High Purity B.C.C. Metals

Heterogeneous Dislocation Loop Nucleation and Free Surface Effects On Plastic Deformation: an In Situ Transmission Electron Microscopy Study

Effect of Precipitation on the Development of Dislocation Substructure in Low Carbon Steels during Cold Deformation

Transformation of Dislocation Patterns in Fatigued Copper Single Crystals

Dislocation Activity and Differences between Tensile and Compressive Creep of Yttria Doped Alumina

High Temperature Deformation Behavior of an Al-Fe-V-Si Alloy

Dislocation-Associated Elastic Energy Storage in Mechanical Deformations

Dislocation Structure and Corduroy Contrast in a 316L Alloy Fatigued at (0.3-0.5) Tm

On Sequences of Stable and Unstable Regions of Flow along Stress-Strain Curves of Solid Solutions—Experiments on Cu-Mn Polycrystals

Plastic Deformation of Single Glide Oriented Cu-2 to 15at.%Al Crystals at Elevated Temperatures

Onset Mechanisms of Discontinuous Flow at Low Temperatures in One- and Two-Phase Cu-Be Alloys

Hardening and Softening in Zr-Sn Crystals

Low-Temperature Abrupt Deformation Processes in Metals: Kinetic and Statistical Properties Observed by Means of Electronic Response

Rheological Behavior of Mild Steel under Monotonic Loading Conditions and Cross-Loading

The Portevin-Le Châtelier Effect in Al-2.92%Mg-0.38%Mn Alloy and Linear Location of Acoustic Emission

Stress Corrosion Microcleavage in a Ductile F.C.C. Alloy

Dislocation-Controlled Stable Crack Growth in Mo and MgO

Low-Energy Dislocations and Ductility of Ferritic Steels

The Peak of Flow Stress in the L12 Structure and the Elimination of Kear-Wilsdorf Locks

Calculation of Cross-Slip Parameters in F.C.C. Crystals

Modeling High Temperature Creep of Academic and Industrial Materials Using the Composite Model

Dynamical Model of the Wall Structure in Persistent Slip Bands of Fatigued Metals I. Dynamical Model of Edge Dislocation Walls

Investigation of the Formation of Dislocation Cell Structures and the Strain Hardening of Metals by Computer Simulation

Role of the Secondary Slip System in a Computer Simulation Model of the Plastic Behavior of Single Crystals

Low-Temperature Dislocation Internal Friction in Crystals

Ultrasonic Study of the Interaction Potential between a Dislocation and a Single Solute Atom

Effects of Magnetic Fields on the Dislocation Unlocking from Paramagnetic Centers in Non-Magnetic Crystals

A Dislocation Model for Internal Damping Due to the Thermal Expansion Mismatch between Matrix and Particles in Microheterogeneous Materials

Interaction between Dislocations and Precipitates in an Al-Li Alloy

Comparison between Simulation Calculations and Measurements concerning Athermal Yielding of Precipitation Hardening of Cu-Co Single Crystals

Dislocation-Point Defects Interaction in Semiconductors and Kink Mobility

Softening of α-Iron by Solute Nitrogen Atoms Investigated between 30 and 300 K by Use of Stress-Relaxation Measurements

Mechanisms of Dislocation Motion and Multiplication in Ionic and Semiconductor Crystals

Dislocation Substructures in Plastically Deformed AlN

The Influence of Peierls Relief on Low-Temperature Plasticity of CdTe Single Crystals

A New Internal Friction Peak and the Problem on the Peierls Potential in F.C.C. Metals

A Method for Simulating Electron Microscope Dislocation Images

On the Relationship between Unusual Mechanical Properties and Deformation Substructures in Ordered Ni3Al

A Weak Beam Study of the Dislocation Structure in Directionally Solidified Ni3Al during Deformation

Dislocation Core Structures in the Ordered Intermetallic Alloy TiAl

Observations of Dislocations Relevant to the Anomalous Yield Stress in L12 Alloys

Transmission Electron Microscope In Situ Deformation of MC2 Superalloy at Room Temperature

Substructure of Dislocations in the (111) Plane in Ni3Ga Single Crystals

The Stress Fields of Edge Dislocations near Wedge-Shaped Boundaries and Bonded Wedges

Interactions between Lattice Dislocations and Grain Boundaries in L12 Ordered Compounds Investigated by In Situ Transmission Electron Microscopy and Computer Modeling Experiments

Arrangement of Misfit Dislocations at Ti3Al/TiAl Phase Boundaries

Image Forces on Dislocations: the Elastic Modulus Effect

Misfit Dislocations and Other Defects in Thin Films

Twin Propagation in TiAl

Changes of Stacking Fault Sequences during the Martensitic Phase Transformation in Cu-Zn-Al Shape Memory Alloys

Twins and Properties of Classical and High-Tc Superconductors

Author Index

Subject Index

Details

No. of pages:
470
Language:
English
Copyright:
© Elsevier 1993
Published:
Imprint:
Elsevier
eBook ISBN:
9781483274928

About the Editor

G. Kostorz

Affiliations and Expertise

ETH Zürich, Zürich, Switzerland

H. A. Calderon

J. L. Martin