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Deutsche
Forschungsgemeinschaft
Plasticity of Metals:
Experiments, Models,
Computation
Deutsche
Forschungsgemeinschaft
Plasticity of Metals:
Experiments, Models,
Computation
Final Report of the
Collaborative Research Centre 319,
Stoffgesetze fÏr das inelastischeVerhalten metallischer
Werkstoffe
–
Entwicklung und technische Anwendung
1985–1996
Edited by
Elmar Steck, Reinhold Ritter, Udo Pfeil and Alf Ziegenbein
Collaborative Research Centres
Deutsche Forschungsgemeinschaft
Kennedyallee 40, D-53175 Bonn, Federal Republic of Germany
Postal address: D-53175 Bonn
Phone: ++49/228/885-1
Telefax: ++49/228/885-2777
E-Mail: (X.400): S = postmaster; P= dfg; A= d400; C = de
E-Mail: (Internet RFC 822): postmaster@dfg.de
Internet: http://www.dfg.de
This book was carefully produced. Nevertheless, editors, authors and publisher do not warrant
the information contained therein to be free of errors. Readers are advised to keep in mind that
statements, data, illustrations, procedural details or other items may inadvertently be inaccurate.
Library of Congress Card No.: applied for
A catalogue record for this book is available from the British Library.
Die Deutsche Bibliothek – CIP Cataloguing-in-Publication Data
A catalogue record for this publication is available from Die Deutsche Bibliothek.
ISBN 3-527-27728-5
© WILEY-VCH Verlag GmbH, D-69469 Weinheim (Federal Republic of Germany), 2001
Printed on acid-free paper.
All rights reserved (including those of translation in other languages). No part of this book may
be reproduced in any form – by photoprinting, microfilm, or any other means – nor transmitted
or translated into machine language without written permission from the publishers. Registered
names, trademarks, etc. used in this book, even when not specifically marked as such, are not to
be considered unprotected by law.
Cover Design and Typography: Dieter Husken.
¨
Composition: K+V Fotosatz GmbH, 64743 Beerfelden.
Printing: betz-druck GmbH, D-64291 Darmstadt.
Bookbinding: Wilhelm Osswald & Co., 67433 Neustadt.
Printed in the Federal Republic of Germany.
Contents
Preface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XV
1
Correlation between Energy and Mechanical Quantities
of Face-Centred Cubic Metals, Cold-Worked and Softened
to Different States
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lothar Kaps, Frank Haeßner
Introduction
Experiments
Simulation .
Summary . .
References .
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1
1.1
1.2
1.3
1.4
. 1
. 1
. 11
. 14
. 15
2
2.1
2.2
2.3
2.3.1
2.3.2
2.3.3
2.3.3.1
2.3.3.2
2.3.3.3
2.4
2.5
Material State after Uni- and Biaxial Cyclic Deformation
. . . . . . . 17
Walter Gieseke, K. Roger Hillert, Gunter Lange
¨
Introduction . . . . . . . . . . . . . . . . . . . .
Experiments and Measurement Methods
Results . . . . . . . . . . . . . . . . . . . . . . . .
Cyclic stress-strain behaviour . . . . . . . .
Dislocation structures . . . . . . . . . . . . .
Yield surfaces . . . . . . . . . . . . . . . . . . .
Yield surfaces on AlMg
3
. . . . . . . . . . .
Yield surfaces on copper . . . . . . . . . . .
Yield surfaces on steel . . . . . . . . . . . . .
Sequence Effects . . . . . . . . . . . . . . . . .
Summary . . . . . . . . . . . . . . . . . . . . . .
Acknowledgements . . . . . . . . . . . . . . .
References . . . . . . . . . . . . . . . . . . . . .
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17
18
19
19
24
28
28
30
30
31
34
35
35
V

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