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Your search keyword '"Fricke, Wolfgang"' showing total 25 results
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4. Introduction

Author

Niemi, Erkki, primary, Fricke, Wolfgang, additional, and Maddox, Stephen J., additional

Published
2017
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15. Preface

Author

Radaj, Dieter, primary, Sonsino, Cetin Morris, additional, and Fricke, Wolfgang, additional

Published
2006
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24. Zum Einsatz hochfester Stähle im Schiffbau.

Author

Reese, Christel, Fricke, Wolfgang, Paetzold, Hans, and Weißenborn, Christian

Abstract

Steel is still the most common material in shipbuilding. Apart from few exceptions, only mild and higher-tensile steel are used, having a yield strength of between 235 and 390 MPa. Significant advantages regarding building and operation costs can be achieved by using high-tensile steels (with a yield strength up to 690 MPa). This applies to relatively thin-walled, weight-critical structures (e.g. high-speed craft) as well as thick-walled structural members in larger ships. It is obvious that fatigue is of major importance for the structural design. Therefore, experimental and numerical investigations of different structural details are presented. In view of possible applications of high-tensile steel, the midship section of a medium-sized container vessel is designed using different steel strengths. The effects of several structural design criteria on the scantlings are discussed and the steel weight is estimated. [ABSTRACT FROM AUTHOR]

Published
2004
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25. Einfluss von Eigenspannungen auf das Verformungsverhalten bei der Fertigung von versteiften Plattenfeldern.

Author

Reese, Christel, Fricke, Wolfgang, and Otelea, Catalin

Abstract

The effects of residual stresses on welding shrinkages and buckling behaviour of stiffened panels are analysed. Normal and fine-levelled plates are looked at in terms of deformations and residual stresses. The investigation included measurements of residual stresses during the fabrication process with the ultrasonic method. For a comparison, finite element calculations were performed which allow critical residual stress states to be predicted. In an additional investigation, series of welding tests and measurements of small plate-stiffener specimens were carried out under laboratory conditions, to investigate the influence of material properties, welding parameters and residual stresses on the scattering of the distortion values. [ABSTRACT FROM AUTHOR]

Published
2003
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