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Multiaxial loading of thermoplastic laser welds

Welding in the World, 2016
The number of laser welded applications in industry is rising steadily. For example, laser welding of polymers is used in the automotive, household and medical sectors. In these areas, a high focus on long-term durability and reliability of laser welds is required.
D. Spancken, J. Wacker, A. Büter, T. Melz   +3 more
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On the application of fracture fatigue entropy to multiaxial loading

International Journal of Fatigue, 2021
Abstract An experimental and theoretical analysis of low carbon steel 1018 subjected to multiaxial loading is presented. Different loading conditions, including tension–compression, torsion, in-phase, and out-of-phase, are applied to investigate the effect of loading type on fatigue life.
M M Khonsari
exaly   +2 more sources

Failure of aluminum foams under multiaxial loads

International Journal of Mechanical Sciences, 2000
Abstract Aluminum foams are currently being considered for use in lightweight structural sandwich panels and in energy absorption devices. In both applications, they may be subject to multiaxial loads. The designer requires a criterion to evaluate the combination of multiaxial loads which cause failure.
Gioux, G., McCormack, T. M., Gibson, L. J.   +2 more
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A multiaxial fatigue criterion for random loading

Fatigue & Fracture of Engineering Materials & Structures, 2003
ABSTRACTA multiaxial fatigue criterion for random loading is proposed. Firstly, the orientation of the critical plane, where fatigue life estimation is carried out, is determined from the weighted mean position of the principal stress directions. Then, the scalar value of the normal stress vectorN(t) perpendicular to the critical plane is taken as the ...
CARPINTERI, Andrea, SPAGNOLI, Andrea, VANTADORI, Sabrina   +2 more
openaire   +2 more sources

Multiaxial loading and fatigue lifetime in LCF

Materials Testing, 2004
Abstract Generally, most machine parts are loaded with a combination of different variable forces and moments. This often causes a state of multiaxial stress in the fatigue critical areas of the parts. In most cases, a nonproportional cyclic multiaxial state of stress occurs.
Arash Amadi, Harald Zenner
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Transformation of a Nonproportional Multiaxial Loading to an Equivalent Proportional Multiaxial Loading

2008
Fatigue fracture is a complex domain that manufacturers have always been intended to control in order to predict the life duration of structures. For this purpose, many criteria saw the day and each of them is based on a specific formulation. Palin Luc proposed an energetic criterion that takes into account the stress gradient, nature of applied load ...
A. Chamat, Z. Azari, M. Abbadi, F. Cocheteux   +3 more
openaire   +1 more source

Multiaxial Loads and Stresses

2017
Many design tasks are concerned with structural components or systems subject to multicomponent loads. In this case, several forces and moments, which are partially time-independent, can act on the structural component to be evaluated. The local stress state and its variation with time at relevant locations result from the superposition of the local ...
Michael Köhler, Sven Jenne, Kurt Pötter, Harald Zenner   +3 more
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Engineering Components under Multiaxial Loading

Materials Testing, 2001
This paper deals with some of the most important theoretical approaches to calculate the fatigue life of engineering components under multiaxial-proportional loading. The calculation procedures which are to be followed are demonstrated using as an example, a notched shaft made from two different materials under uniaxial and multiaxial loading with ...
Georgios Savaidis, Alexander Savaidis, Timm Seeger   +2 more
openaire   +1 more source