Michael J. Zehetbauer, Ruslan Z. Valiev3527306595, 9783527306596, 9783527604944
Table of contents :
Nanomaterials by Severe Plastic Deformation……Page 4
Content……Page 10
I Reasons to Use Nanostructured Materials……Page 26
Unique Features and Properties of Nanostructured Materials……Page 28
Properties, Benefits and Application of Nanocrystalline Structres in Magetic Materials……Page 43
Formation of Nanostructures in Metals and Composites by Mechanical Means……Page 55
Scale Levels of Plastic Flow and Mechanical Properties of Nanostructured Materials……Page 62
Hydrogen-Induced Formation of Silver and Copper Nanoparticles in Soda-Lime Silicate Glasses……Page 69
II Large Strain Cold Working and Microstructure……Page 78
Equivalent Strains in Severe Plastic Deformation……Page 80
Stage IV: Microscopic Or Mesoscopic Effect ?……Page 90
Deformation Substructure and Mechanical Properties of BCC – Polycrystals……Page 97
Micro- and Nanostructures of Large Strain-SPD deformed L12 Intermetallics……Page 105
The Nature of the Stress-Strain Relationship in Aluminum and Copper over a Wide Range of Strain……Page 112
Strain Hardening by Formation of Nanoplatelets……Page 120
Modelling the Draw Hardening of a Nanolamellar Composite: A Multiscale Transition Method……Page 126
III Unique Features of SPD – Microstructure and Properties……Page 132
Paradoxes of Severe Plastic Deformation……Page 134
Investigation of Phase Transformations in Nanostructured Materials Produced by Severe Plastic Deformation……Page 143
Structure-Phase Transformations and Properties in Nanostructured Metastable Alloys Processed by Severe Plastic Deformation……Page 150
On the Influence of Temperature and Strain Rate on the Flow Stress of ECAP Nickel……Page 156
The Effect of Second-Phase Particles on the Severe Deformation of Aluminium Alloys during Equal Channel Angular Extrusion……Page 163
Effects of ECAP Processing on Mechanical and Aging Behaviour of an AA6082 Alloy……Page 170
Influence of the Thermal Anisotropy Internal Stresses on Low Temperature Mechanical Behavior of Polycrystalline and Nanostructured Ti……Page 176
Nano- and Submicrocrystalline Structure Formation During High Pressure Torsion of Al-Sc and Al-Mg-Sc Alloys……Page 183
Phase Transformation in Crystalline and Amorphous Rapidly Quenched Nd-Fe-B Alloys under SPD……Page 190
Structure and Functional Properties of Ti-Ni-Based Shape Memory Alloys Subjected to Severe Plastic Deformation……Page 195
Formation of Submicrocrystalline Structure in The Hard Magnetic Alloy Fe-15wt.%Co-25%Cr During Straining by Complex Loading……Page 202
Experimental Investigations of the Al-Mg-Si Alloy Subjected to Equal-Channel Angular Pressing……Page 208
Mechanical Properties of AZ91 Alloy after Equal Channel Angular Pressing……Page 215
Influence of Microstructural Heterogeneity on the Mechanical Properties of Nanocrystalline Materials Processed by Severe Plastic Deformation……Page 219
Creep Behaviour of Pure Aluminium Processed by Equal-Channel Angular Pressing……Page 225
Low Temperature Strain Rate Sensitivity of some Nanostructured Metals……Page 232
IV Modelling of SPD and Mechanical Properties of SPD Materials……Page 238
Importance of Disclinatioin in Severe Plastically Deformed Materials……Page 240
Disclination-Based Modelling of Grain Fragmentation during Cold Torsion and ECAP in Aluminium Polycrystals……Page 251
Modeling of Deformation Behavior and Texture Development in Aluminium under Equal Channel Angular Pressing……Page 258
Process Modeling of Equal Channel Angular Pressing……Page 264
Deformation Behaviour of ECAP Cu as described by a Dislocation-Based Model……Page 270
Severe Plastic Deformation by ECAP in an Acommercial Al-Mg-Mn-Alloy……Page 276
Evolution of Mechanical and Microstructural Properties of ECAP Deformed Copper……Page 282
A Composite Grain Model of Strengthening for SPD Produced UFG Materials……Page 288
Computer Simulation of Equal-Channel Angular Pressing of Tungsten by Means of the Finite Element Method……Page 296
V Texture Evolution and Simulation During SPD……Page 304
Texture Evolution in Severe Plastic Deformation by Equal Channel Angular Extrusion……Page 306
Textural Evolution during Equal Channel Angular Extrusion versus Planar Simple Shear……Page 322
Grain Refinement and Texture Formation during High-Strain Torsion of NiAl……Page 328
Severely Plastically Deformed Ti from the Standpoint of Texture Changes……Page 334
Development of Crystallographic Texture and Microstructure in Cu and Ti, Subjected to Equal-Channel Angular Pressing……Page 340
VI Details of SPD Nanostructures as Investigated by Electron Microscopy……Page 346
Boundary Characteristics in Heavily Deformed Metals……Page 348
Quantitative Microstructural Analysis of IF Steel Processed by Equal Channel Angular Extrusion……Page 357
HRTEM Investigations of Amorphous and Nanocrystalline NiTi Alloys Processed by HPT……Page 364
Effect of Grain Size on Microstructure Development during Deformation in Polycrystalline Iron……Page 370
Microstructure and Phase Transformations of HPT NiTi……Page 376
Types of Grains and Boundaries, Joint Disclinations and Dislocation Structures of SPD-produced UFG Materials……Page 382
Microstructure Development of Copper Single Crystal Deformed by Equal Channel Angular Pressing……Page 388
TEM Investigations of Ti Deformed by ECAP……Page 394
Microstructural Evolution during Severe Deformation in Austenitic Stainless Steel with Second Phase Particles……Page 400
Structural Models and Mechanisms for the Formation of High-Energy Nanostructures under Severe Plastic Deformation……Page 406
Grain Refinement and Microstructural Evolution in Nickel During High-Pressure Torsion……Page 412
VII Analyses of SPD Materials by Selected Physical Methods……Page 418
The Meaning of Size Obtained from Broadened X-ray Diffraction Peaks……Page 420
Ultra Fine Grained Copper Prepared by High Pressure Torsion: Spatial Distribution of Defects from Positron Annihilation Spectroscopy……Page 432
Anelastic Properties of Nanocrystalline Magnesium……Page 438
X-ray Peak Profile Analysis on the Microstructure of Al-5.9%Mg-0.3%Sc-0.18%Zr Alloy Deformed by High Pressure Torsion Straining……Page 445
Evolution of Microstructure during Thermal Treatment in SPD Titanium……Page 451
VIII Influence of Deformation Parameters to SPD Nanostructures……Page 458
The Role of Hydrostatic Pressure in Severe Plastic Deformation……Page 460
Influence of the Processing parameters at High Pressure Torsion……Page 472
Mechanical Properties and Thermal Stability of Nano-Structured Armco Iron Produced by High Pressure Torsion……Page 478
Properties of Aluminum Alloys Processed by Equal Channel Angular Pressing Using a 60 Degrees Die……Page 484
Deformation Behaviour of Copper Subjected to High Pressure Torsion……Page 490
Features of Equal Channel Angular Pressing of Hard-to-Deform Materials……Page 496
IX New Methods of SPD……Page 502
ARB (Accumulative Roll-Bonding) and other new Techniques to Produce Bulk Ultrafine Grained Materials……Page 504
Optimal SPD Processing of Plates by Constrained Groove Pressing (CGP)……Page 516
Comparative Study and Texture Modeling of Accumulative Roll Bonding (ARB) processed AA8079 and CP-Al……Page 523
Nanocrystallization in Carbon Steels by Various Severe Plastic Deformation Processes……Page 530
Severe Plastic Deformation by Twist Extrusion……Page 536
SPD Structures Associated With Shear Bands in Cold-Rolled Low SFE Metals……Page 542
Features of Mechanical Behaviour and Structure Evolution of Submicrocrystalline Titanium under Cold Deformation……Page 548
Ultra Grain Refinement of Fe-Based Alloys by Accumulated Roll Bonding……Page 555
X SPD with Ball Milling and Powder Consolidation……Page 562
Mechanically Activated Powder Metallurgy : A Suitable Way To Dense Nanostructured Materials……Page 564
Characterization and Mechanical Properties of Nanostructured Copper Obtained by Powder Metallurgy……Page 570
Densification of Magnesium Particles by ECAP with a Back-Pressure……Page 576
Annealed Microstructures in Mechanically Milled Fe-0.6%O Powders……Page 583
Processing and Characterization of Nanocrystalline Aluminum obtained by Hot Isostatic Pressing (HIP)……Page 589
Characteristics of Nano Grain Structure in SPD-PM Processed AISI304L Stainless Steel Powder……Page 596
Formation of Powder and Bulk Al-Cu-Fe Quasicrystals, and of Related Phases During Mechanical Alloying and Sintering……Page 604
Production and Consolidation of Nanocrystalline Fe Based Alloy Powders……Page 610
Strain Measurement in the ECAP Process……Page 616
XI Mechanical Properties and Thermostability of Nanocrystalline Structures……Page 622
Atomistic Modeling of Strength of Nanocrystalline Metals……Page 624
Multiscale Studies and Modeling of SPD Materials……Page 634
Microstructural Stability and Tensile Properties of Nanostructured Low Carbon Steels Processed by ECAP……Page 641
Microstructure and Mechanical Properties of Severely Deformed Al-3Mg and its Evolution during subsequent Annealing Treatment……Page 648
Dependence of Thermal Stability of Ultra Fine Grained Metals on Grain Size……Page 655
Thermomechanical Properties of Electrodeposited Ultra Fine Grained Cu-Foils for Printed Wiring Boards……Page 661
Effect of Grain Boundary Phase Transitions on the Superplasticity in the Al-Zn system……Page 667
Microstructure and Thermal Stability of Tungsten based Materials after Severe Plastic Deformation……Page 673
Development of Microstructure and Thermal Stability of Nano-structured Chromium Processed by Severe Plastic Deformation……Page 679
XII Influence of Deformation Path to Properties of SPD Materials……Page 686
Fatigue of Severely Deformed Metals……Page 688
Cyclic Deformation Behaviour and Possibilities for Enhancing the Fatigue Properties of Ultrafine-Grained Metals……Page 702
The Influence of Type and Path of Deformation on the Microstructural Evolution During Severe Plastic Deformation……Page 709
Formation of a Submicrocrystalline Structure in Titanium during Successive Uniaxial Compression in Three Orthogonal Directions……Page 716
XIII Features and Mechanisms of Superelasticity in SPD Materials……Page 724
Achieving a Superplastic Forming Capability through Severe Plastic Deformation……Page 726
Production of Superplastic Mg Alloys Using Severe Plastic Deformation……Page 736
High Strain Rate Superplasticity in an Micrometer-Grained Al-Li Alloy Produced by Equal-Channel Angular Extrusion……Page 742
Diffusion-Controlled Processes and Plasticity of Submicrocrystalline Materials……Page 747
Superplastic Behavior of Deformation Processed Cu-Ag Nanocomposites……Page 753
Features of Microstructure and Phase State in an Al-Li Alloy after ECA Pressing and High Strain Rate Superplastic Flow……Page 759
Microstructure Refinement and Improvement of Mechanical Properties of a Magnesium Alloy by Severe Plastic Deformation……Page 765
Grain Refinement and Superplastic Properties of Cu-Zn Alloys Processed by Equal-Channel Angular Pressing……Page 771
XIV Mechanisms of Diffusion Related Processes in Nanocrystalline Materials……Page 778
Diffusion in Nanocrystalline Metals and Alloys – A Status Report……Page 780
Self-Diffusion of (147)Nd in Nanocrystalline Nd(2)Fe(14)B……Page 792
Theoretical Investigation of Nonequilibrium Grain Boundary Diffusion Properties……Page 798
On Annealing Mechanisms Operating in Ultra Fine Grained Alloys……Page 805
XV Application of SPD Materials……Page 812
Commercialization of Nanostructured Metals Produced by Severe Plastic Deformation Processing……Page 814
The Main Directions in Applied Research and Developments of SPD Nanomaterials in Russia……Page 823
Developing of Structure and Properties in Low-Carbon Steels During Warm and Hot Equal Channel Angular Pressing……Page 829
Mechanical Properties of Severely Plastically Deformed Titanium……Page 835
Ways to Improve Strength of Titanium Alloys by Means of Severe Plastic Deformation……Page 842
Structures, Properties, and Application of Nanostructured Shape Memory TiNi-based Alloys……Page 847
Microstructure and Properties of a Low Carbon Steel after Equal Channel Angular Pressing……Page 854
Formation of Submicrocrystalline Structure in Large-Scale Ti-6Al-4V Billets during Warm Severe Plastic Deformation……Page 860
Author Index……Page 866
Subject Index……Page 870
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