نتایج جستجو برای: severe plastic deformation
تعداد نتایج: 443677 فیلتر نتایج به سال:
a review on the microstructural evolution in magnesium alloys during severe plastic deformation waspresented. the challenges deserved to achieve ultrafine/ nanostructured magnesium were discussed.the characteristics of the processed materials are influenced by three main factors, including i)difficult processing at low temperatures, ii) high temperature processing and the occurrence ofdynamic r...
In this paper, several versions of extrusion processes were used to provide severe plastic deformation for grain refinement (with a modified ECAE extrusion) and for grain/fiber alignment (with straight extrusion). The process was performed at elevated temperatures to reduce extrusion pressure, and in order to increase strength and avoid grain growth secondary phases were added or insitu formed....
Cold-rolled sheet metal that is often used in laser forming exhibits anisotropic properties, which are mostly caused by preferred orientations of grains developed during the severe plastic deformation such as cold rolling. In the present study, the textures of cold-rolled mild steel sheets are characterized and the influence of the plastic anisotropy on laser forming process is investigated. De...
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