Strength of Metals and Alloys (ICSMA 7). Proceedings of the 7th International Conference on the Strength of Metals and Alloys, Montreal, Canada, 12–16 August 1985

531 Pages·1986·13.78 MB·English

by  H. J. McQueen

INTERNATIONAL SERIES ON THE
STRENGTH AND FRACTURE OF MATERIALS AND STRUCTURES
General Editor: D. M. R. TAPLIN, D.Sc, D.Phil., F.I.M.
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STRENGTH OF
METALS AND ALLOYS
(ICSMA 7)
Proceedings of the 7th International Conference
on the Strength of Metals and Alloys
Montreal, Canada, 12-16 August 1985
Edited by
H. j. MCQUEEN, J.-P. BAILON
J. I. DICKSON, J. J. JONAS
M. G. AKBEN
Volume 3
PERGAMON PRESS
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Copyright © 1986 Pergamon Books Ltd.
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First edition 1986
Library of Congress Cataloging in Publication Data
International Conference on the Strength of Metals
and Alloys (7th : 1985 : Montréal, Québec)
Strength of metals and alloys (ICSMA 7)
(International series on the strength and
fracture of materials and structures)
English and French.
I. Metals — Congresses. 2. Alloys — Congresses.
3. Physical metallurgy — Congresses. I. McQueen, H. J.
II. Title. III. Series.
TA460.I532 1985 620.1'63 85-9585
British Library Cataloguing in Publication Data
International Conference on the Strength of Metals
and Alloys (7th: 1985: Montreal)
Strength of metals and alloys (ICSMA7) —
(International series on the strength and fracture
of materials and structures)
1. Strength of materials 2. Metals 3. Alloys
I. Title II. McQueen, H. J. HI. Series
620.1'63 TA405
ISBN 0-08-031640-9
In order to make this volume available as economically and as
rapidly as possible the authors' typescripts have been reproduced in
their original forms. This method unfortunately has its typo-
graphical limitations but it is hoped that they in no way distract the
reader.
Printed in Great Britain by A. Wheaton & Co. Ltd., Exeter
International Committee
ICSMA Conferences
Z.S. BabiMki {Canada) 8. ßaudolztll1nanca)
J. F^tedeZ (France) R. LaanohohQ (Sweden)
P. Ηααλζη, ckalnman (FPR) K. Lucfce (F£>R)
R.R. HaAlguuti {Japan) 0/.P. Hlx (USA)
P. 6. Hluck [GKdat KnUjoln) Î.J. Po£mea^ (Ααά£Λα£ί.α)
R.W.K. Honzycombe. [Qnzat BiUaln) H. Suzuki (Japan)
v
ICSMA 7 Organizing Committee
Comité d'Organization de CIRMA 7
President H.J. McQueen Concordia University
Zo-pr^iaent J.-P. Baïlon Ecole Polytechnique
7'reasure^ J.I. Dickson Ecole Polytechnique
TtâbO riete S. Turenne Ecole Polytechnique
Keynote Lecturers
J.J. Jonas McGill University
Conférenciers invitéA
Technical pno g nom M.G. Akben McGill University
Comité editorial W.R. Tyson Phys. Met. Res. Lab., CANMET
G.E. Ruddle Phys. Met. Res. Lab., CANMET
J. Masounave Inst. Génie Matériaux, CNRC
S. Lalonde Ecole Polytechnique
P. Lequeu McGill University
industrial sponsors Ï.E. Dancy SIDBEC
Soutien industriel T.R. Leduc Steel Co. of Canada
Arrangements A.E. Blach Concordia University
Technique K. Conrod Concordia University
Accommodation S.V. Hoa Concordia University
Logement D.C. Doan Concordia University
Exhibition C. Forget Leco Instruments Ltd
Exposition G. Hamel Techmet Canada Ltée
Social R. McCallum Eastern Steel Castings
divertissements H. Jonas
N.D. Ryan Concordia University
J. Bowles Concordia University
P. McQueen
L. Dickson
Secretariat C. Labelle Ecole Polytechnique
I. Crawford Concordia University
International D.M.R. Taplin Trinity College, Dublin
VI
Sponsoring Organisations
Organismes de soutien
Ecole Polytechnique, Génie métallurgique
McGill University, Metallurgical Engineering
Concordia University, Mechanical Engineering
Institut de Génie des Matériaux, CNCR
Physical Metallurgy Research Laboratory, CANMET
Canadian Committee for Research on the Strength
and Fracture of Materials
Canadian Council and Montreal Chapter of
the American Society for Metals
Metallurgical Society of Canadian Institute
of Mining and Metallurgy
Ordre des Ingénieurs du Quebec
Canadian Society of Mechanical Engineers
Institut Canadien d'Ingénieurs
Canadian Steel Industry Research Association
Aluminum Company of Canada
ELKEM Metal Canada
STELCO Inc. (Steel Co. of Canada)
Hawker-Siddeley Canada Inc.
Lavalin Inc.
Vll
Contents of Volume 1
1. WORK HARDENING - CONSOLIDATION
Cross-slip and flow patterns in plastic deformation
P.J. Jackson 3
A study of cross slip in the F.C.C. structure
J. Bonneville and G. Vanderschaeve 9
Mechanism of stage IV work hardening at high temperatures
H.G. Brion, P. Haasen and H. Siethoff 15
Types of dislocation substructures and stages of stress-strain
curves of F.C.C. alloys
N.A. Koneva, D.V. Lychagin, L.T. Trishkina and E.V. Kozlov 21
Experimental investigation of stress dependence on the dislocation
density in F.C.C. alloys
N.A. Koneva, L.A. Teplyakova, D.V. Lychagin, Yu. A.Abzaev,
T.S. Kunitsina, A.V. Paul, N.A. Popova and E.V. Kozlov 27
On the velocity of jogged screw dislocations
F. Povolo and A.J. Marzocca 33
Mechanical properties of thin-foil specimens
N. Igata, Y. Kohno and T. Fujihira 39
Effect of superconducting transition on plasticity of molybdenum
single crystals of high purity
H.-J. Kaufmann, I.N. Kuzmenko, V.D. Natsik and V.V. Pustova 45
xiii
Linear strain hardening of nickel-cobalt solid solutions at
large strains
D.A. Hughes, J.C. Gibeling and W.D. Nix 51
On the formation of microbands during plastic straining of metals
E. Nés, W.B. Hutchinson and A.A. Ridha 57
Role des dislocations de jonction dans les mécanismes de maclage
de l'alliage Cu-7,3% at Al
F. Tranchant, J.F.M. Vergnol, M.F. Denanot et J. Grilhé* 63
Cross slip and latent hardening in silicon single crystals
J.P. Michel, R. Allem and A. George 69
Mechanical behavior of polycrystals and single crystals of silicon
M. Omri, J.P. Michel, C. Tête and A. George 75
Plastic deformation under simultaneous cyclic and unidirectional
loading at low and ultrasonic frequencies
H.O.K. Kirchner, W. Kromp, F.B. Prinz and P. Trimmel 81
Work hardening due to internal stresses in dendritic microstructures
E. Blank, M. Kaspar and M. Rappaz 87
Relationship between solidification thermal parameters, dendrite
arm spacing and ultimate tensile strength in Al-4.5% Cu
Li Qingchun, Chen Yuyong and Jiang Zhuling 93
Soft surface effect in copper single crystals oriented for
multiple glide and in polycrystalline copper
J.T. Fourie 99
Strengthening characteristics of heavily cold-rolled copper
M. Zehetbauer and D. Trattner 105
Structure parameters describing reverse loading in
polycrystalline copper
N. Christodoulou, S.R. MacEwen and O.T. Woo 111
Reverse microplasticity and acoustic emission during unloading
of pure copper
R. Rahouadj and F. Ferrieux 117
Reloading behaviour and acoustic emission in pure copper
F. Ferrieux and R. Rahouadj 123
XIV
Deformation of copper at high strain rates
J.A. Giannotta, G. Regazzoni and F. Montheillet 129
Tensile deformation and fracture behaviour of pure aluminium and
aluminum alloy at cryogenic temperatures
T. Takaai, T. Tatsumi and T. Tamura 135
Inhomogeneity of plastic deformation in polycrystalline aluminium
J.B. Bilde-S^rensen and N. Hansen 141
Dislocation-grain boundary interactions in tungsten bicrystals
J.R. Fekete and R. Gibala 147
Influence of Luders bands on the Hall-Petch relationship
J.S.H. Lake 153
Effect of grain size on the deformation behaviour of nickel and
nickel alloy sheet
N.K. Park and B.A. Parker 159
Role of grain size in work hardening of brass and Ni-Oo alloys
A.W. Thompson and H. Dong 165
Deformation of zirconium polycrystals
Z. Trojanovâ, B. Smola, P. Lukâc and A. Dloulrj? 171
Influence of grain size on the work hardening of austenitic
stainless steels
M. Dollar and S. Gorczyca 177
Effect of cold rolling and intercritical annealing on
microstructure and deformation of Mn-Si-C steel
D.Z. Yang, D.K. Matlock and G. Krauss 183
Effect of microstructural refinement on the deformation behavior
of dual-phase steels
D.A. Burford, D.K. Matlock and G. Krauss 189
Tensile ductility dependence on polycrystal grain size
R.W. Armstrong 195
Work hardening mechanisms in polygonal ferrite high strength
low alloy steels at cryogenic temperatures
S. Yue and W.J. Bratina 201
XV
Influence of cooling rate from the normalising temperature on
the Hall-Petch slopes for steels
B. Mintz and J. Kolahi-Aval 207
Dislocation substructures and yield strength of prestrained low
carbon steel sheets
J.H. Schmitt and B. Baudelet 213
The mechanism of work-hardening in Hadfield's steel and the
influence of minor amounts of vanadium
S.B. Sant and R.W. Smith 219
2. ANISOTROPY AND TEXTURE - ANISOTROPIE ET TEXTURE
Influence of hydrogen on the development of the deformation
texture and fracture during pressing in a D.P. steel
CM. Vlad, P.I. Welch and H.J. Bunge 227
Texture development and recrystallization kinetics of a cold
rolled dual-phase steel sheet
CM. Vlad and H.J. Bunge 233
The Lankford's r value of dual-phase steels
T. Sakaki and K. Sugimoto 239
Grain deformation modes during rolling: grain shape and
orientation effects
A. Skalli, R. Fortunier and J.H. Driver 245
Texture and microstructure of TÎ-6A1-4V alloys after high
temperature rolling
K. Morii, H. Mecking and G. Llitjering 251
Orientation dependence of the deformed microstructure in 70/30 brass
J. Hirsch, M.Y. Huh and K. Lücke 257
Effect of thermal processing on the texture and microstructure
of aluminium
D. Juul Jensen and N. Hansen 263
A simplified method for describing plastic anisotropy
Ph. Lequeu, F. Montheillet and J.J. Jonas 269
XVI