نتایج جستجو برای: deformation texture

تعداد نتایج: 111655  

Journal: :Materials Science and Engineering A-structural Materials Properties Microstructure and Processing 2022

Predicting microstructure and (micro-)texture evolution during thermo-mechanical processing requires the combined simulation of plastic deformation recrystallization. Here, a approach based on coupling full-field dislocation density crystal plasticity model cellular automaton is presented. A regridding/remeshing procedure used to transfer data between deformed mesh large-strain regular grid aut...

Journal: :Metals 2021

Many (if not a majority) of metals and alloys evince substantial softening with torsion deformation to strains usually achievable in tension. Of course, has long been observed by discontinuous dynamic recrystallization (DDRX) but this paper will discuss cases where is associated texture development large-strain that reliant on changes the dislocation density. This discusses work current authors...

2004
Bruce R. Clark William C. Kelly

Experimental annealing of galena samples with known deformation histories shows that this mineral has the necessary properties to be a valuable source of information about low-grade deformational environments. Annealed galena displays recovery and/or recrystallization features dependent upon the type of texture inherited from the tectonic event, which in turn is closely linked to deformation te...

In the present work, nano/ultrafine structured Al/Brass composite was produced by accumulative roll bonding (ARB) up to eight cycles. The evolution of grain refinement and deformation texture and their effect on the mechanical properties were investigated. It was observed that by increasing the ARB cycles, due to the difference in flow properties of the metal constituents, brass layers necked, ...

2013
S. S. Babu S. Vogel C. Garcia-Mateo B. Clausen L. Morales-Rivas

In situ neutron diffraction experiment was used during tensile testing at room temperature to examine the changes on the percentage and texture of both ferrite and austenite in a nanocrystalline bainitic steels transformed at two different temperatures 200°C and 300oC for different times to achieve the same phase percentages. Both samples showed an inadequate capability of austenite to transfor...

Journal: :Isij International 2022

The influence of the initial crystal orientation and carbon content on rolling-induced texture was investigated using quasi-single crystals 3.2 mass% Si steel. These specimens had {110}<001> {110}<113> orientations, which are common near surface textures for hot-rolled steel band. In case ultralow-carbon specimens, rotated to {111}<112> after 66% reduction cold rolling {211}<124>. It is conside...

Journal: :Materials Science and Technology 2023

Titanium alloys are a key part of an armour designer’s toolset due to their high ballistic mass efficiency. However, titanium’s cost has restricted its use in military land-based vehicles. In this study, the effect different processing routes on microstructure, texture, performance V50 and deformation modes Ti-6Al-4V plate is investigated. Plates were fabricated via conventional hot rolling pow...

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