Thermal Processes in Welding

This book describes and systemizes analytical and numerical solutions for a broad range of instantaneous and continuous, stationary and moving, concentrated and distributed, 1D, 2D and 3D heat sources in semi-infinite bodies, thick plane layers, thin plat

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Victor A. Karkhin

Thermal Processes in Welding

Engineering Materials

This series provides topical information on innovative, structural and functional materials and composites with applications in optical, electrical, mechanical, civil, aeronautical, medical, bio- and nano-engineering. The individual volumes are complete, comprehensive monographs covering the structure, properties, manufacturing process and applications of these materials. This multidisciplinary series is devoted to professionals, students and all those interested in the latest developments in the Materials Science field.

More information about this series at http://www.springer.com/series/4288

Victor A. Karkhin

Thermal Processes in Welding

123

Victor A. Karkhin Department of Welding and Laser Technologies St. Petersburg Polytechnic University St. Petersburg, Russia

ISSN 1612-1317 ISSN 1868-1212 (electronic) Engineering Materials ISBN 978-981-13-5964-4 ISBN 978-981-13-5965-1 (eBook) https://doi.org/10.1007/978-981-13-5965-1 Library of Congress Control Number: 2018966399 Translation from the Russian language edition: Thermal Processes in Welding, 2nd edition, © St. Petersburg Polytechnic University Publishing House 2015. All Rights Reserved. © Springer Nature Singapore Pte Ltd. 2019 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. This Springer imprint is published by the registered company Springer Nature Singapore Pte Ltd. The registered company address is: 152 Beach Road, #21-01/04 Gateway East, Singapore 189721, Singapore

Dedicated to my parents Joachim and Anne

Preface to the English Edition

Welding as a technological tool has been widely used for 100 years. This is caused by notable advantages of welding over other methods of material joining. The ultimate goal of welding is to obtain the weld which would be equivalent to the base metal by all the properties. In reality, this