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Hot Cracking Phenomena in Welds

  • Thomas Böllinghaus
  • Horst Herold

Table of contents

  1. Front Matter
    Pages I-IX
  2. Phenomena and Mechanisms

  3. Metallurgy and Materials

  4. Modeling and Simulation

    1. Y. Wei, Z. Dong, R. Liu, Z. Dong, Y. Pan2
      Pages 185-222
    2. V. Ploshikhin, A. Prikhodovsky, M. Makhutin, A. Ilin, H.-W. Zoch
      Pages 223-244
    3. M. Wolf, H. Schobbert, Th. Böllinghaus
      Pages 245-268
  5. Testing and Standardization

About this book

Introduction

Although the avoidance of hot cracking still represents a major topic in modern fabrication welding components, the phenomena have not yet been fully understood. Through the 20 individual contributions from experts all over the world the present state of knowledge about hot cracking during welding is defined, and the subject is approached from four different viewpoints. The first chapter provides an overview of the various hot cracking phenomena. Different mechanisms of solidification cracking proposed in the past decades are summarized and new insight is particularly given into the mechanism of ductility dip cracking. The effects of different alloying elements on the hot cracking resistance of various materials are shown in the second chapter and, as a special metallurgical effect, the initiation of stress corrosion cracking at hot cracks has been highlighted. The third chapter outlines how numerical analyses and other modelling techniques can be utilized to describe hot cracking phenomena and how such results might contribute to the explanation of the mechanisms. Various hot cracking test procedures are presented in the final chapter with a special emphasis on standardization. For the engineering and natural scientists in research and development the book provides both, new insight and a comprehensive overview of hot cracking phenomena in welds. The contributions additionally give numerous individual solutions and helpful advice for international welding engineers to avoid hot cracking in practice. Furthermore, it represents a very helpful tool for upper level metallurgical and mechanical engineering students.

Keywords

Hot cracking Modelling corrosion materials mechanical engineering mechanisms metal metallurgy stress welding

Editors and affiliations

  • Thomas Böllinghaus
    • 1
  • Horst Herold
    • 2
  1. 1.Bundesanstalt für Materialforschung und -prüfungBerlinGermany
  2. 2.Institut für Füge- und Strahltechnik, Fakultät für MaschinenbauOtto-von-Guericke-UniversitätMagdeburgGermany

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