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- aggregation classification "P1".
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2010".
- aggregation format "application/pdf".
- aggregation hasFormat 1904329.bibtex.
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- aggregation isPartOf urn:issn:0255-5476.
- aggregation language "eng".
- aggregation publisher "Trans Tech".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "The effect of cooling rate on the damage micromechanisms of DP steels".
- aggregation abstract "The microstructural failure mechanisms of two DP steel sheets cooled with different cooling rates during their heat treatment are compared in the present study. The as-cold rolled DP steel sheets were annealed at intercritical temperature and cooled down with rates of 45 degrees C/s (quenching) and 2 degrees C/s (slow cooling). Uniaxial tensile tests were carried out on samples from both sheets and the microstructure of undeformed samples and the broken tensile specimens was evaluated by optical microscopy, scanning electron microscopy and electron back-scatter diffraction technique. Although the grain size did not show significant differences, the amount and size of the constituents, e.g. martensite and bainite, differ between both alloys. Concerning the mechanical properties, the quenched material showed superior strength and ductility besides a less localized deformation at higher strains. The area fraction of voids in the broken specimens was low for both steels. In the slow cooled samples the nucleation of shear bands was on the large voids and cracks were observed along these shears bands. It was concluded that the detrimental effect of void nucleation on both steels is not only attributed to their null-carry capacity but more to the stress concentration close to the voids which gives rise to strain localization in the form of shear bands.".
- aggregation authorList BK232480.
- aggregation endPage "3342".
- aggregation startPage "3337".
- aggregation volume "638-642".
- aggregation aggregates 1904335.
- aggregation isDescribedBy 1904329.
- aggregation similarTo MSF.638-642.3337.
- aggregation similarTo LU-1904329.