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Transferability of fatigue resistance data in aluminium welded joints

Shams, Ehsan (2014):
Transferability of fatigue resistance data in aluminium welded joints.
In: 35th Symposium on Mechanics of Materials, Faliraki, Greece, [Conference or Workshop Item]

Abstract

Welding processes often lead to pronounced weld end points (start/end), which are prone to fatigue events such as crack initiation. The fatigue of weld ends in aluminium welded joints, especially in thin sheet structures, is not sufficiently explored yet. In the present investigation, the real geometry of welds (weld toe & weld root)was obtained by scanning the three-dimensional surface, especially of weld ends. In the experimental part of this research, fatigue testing of thin sheet specimens containing weld ends was performed. Based on the data, weld end S-N curves based on nominal stresses have been obtained. Numerical analyses based on idealised weld end models have been performed illustrated by an example.

Item Type: Conference or Workshop Item
Erschienen: 2014
Creators: Shams, Ehsan
Title: Transferability of fatigue resistance data in aluminium welded joints
Language: English
Abstract:

Welding processes often lead to pronounced weld end points (start/end), which are prone to fatigue events such as crack initiation. The fatigue of weld ends in aluminium welded joints, especially in thin sheet structures, is not sufficiently explored yet. In the present investigation, the real geometry of welds (weld toe & weld root)was obtained by scanning the three-dimensional surface, especially of weld ends. In the experimental part of this research, fatigue testing of thin sheet specimens containing weld ends was performed. Based on the data, weld end S-N curves based on nominal stresses have been obtained. Numerical analyses based on idealised weld end models have been performed illustrated by an example.

Uncontrolled Keywords: aluminium welded joints, weld ends, fatigue life, real geometry
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics > Fachgebiet Werkstoffmechanik
13 Department of Civil and Environmental Engineering Sciences > Institute of Steel Constructions and Material Mechanics
13 Department of Civil and Environmental Engineering Sciences
Event Title: 35th Symposium on Mechanics of Materials
Event Location: Faliraki, Greece
Date Deposited: 01 Jul 2014 11:25
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