Browsing Mechanical and Mechatronics Engineering by Author "Lambert, Steve"
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Characterization of magnesium spot welds under tensile and cyclic loadings
Behravesh, Seyed Behzad; Jahed, Hamid; Lambert, Steve (Elsevier, 2011-12-01)Resistance spot welds of a magnesium alloy were characterized in terms of microstructure, hardness and monotonic and cyclic properties. Microstructural features in base metal and different zones in the weld region were ... -
Fatigue characterization and modeling of AZ31B magnesium alloy spot-welds
Behravesh, Seyed Behzad; Jahed, Hamid; Lambert, Steve (Elsevier, 2014-07-01)Cyclic behavior of AZ31B spot-welds was studied using different specimen configurations, and compared with steel and aluminum spot-welds. Fatigue strength of magnesium spot-welds was similar to aluminum and less than steel. ... -
A Lagrangian model for hardening behaviour of materials at finite deformation based on the right plastic stretch tensor
Eshraghi, Amin; Jahed, Hamid; Lambert, Steve (Elsevier, 2010-05-01)In this paper a modified multiplicative decomposition of the right stretch tensor is proposed and used for finite deformation elastoplastic analysis of hardening materials. The total symmetric right stretch tensor is ...