Publisher DOI: 10.1016/j.engfracmech.2017.07.001
Title: The effect of the local and global weld geometry as well as material defects on crack initiation and fatigue strength
Language: English
Authors: Schork, Benjamin 
Kucharczyk, Pawel 
Madia, Mauro 
Zerbst, Uwe 
Hensel, Jonas 
Bernhard, Julian 
Tchuindjang, Didi Deflor 
Kaffenberger, Matthias 
Oechsner, Matthias 
Issue Date: Jul-2018
Source: Engineering Fracture Mechanics (198): 103-122 (2018-07)
Journal or Series Name: Engineering fracture mechanics 
Abstract (english): The paper provides an application of the IBESS approach to the investigation of the influence of various parameters of the global and local weld geometry as well as material defects on the fatigue strength of weldments. For this purpose, the global weld parameters, such as the weld toe radius, the flank angle, the excess weld metal, local secondary notches (in the present study as a measure of surface imperfections) and inclusions sizes have been determined as statistical distributions for different joint types and geometries and two steels of different strengths. The results are in line with literature data and reveal the potential of the theoretical approach to predict the correct trends. The combination with an advanced weld quality system has been demonstrated to be possible.
ISSN: 0013-7944
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Type: (wissenschaftlicher) Artikel
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