ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
A crystal plasticity model has been used to simulate channel die experiments on both, puremagnesium single crystals and polycrystalline textured rolled plates. Deformation mechanisms andslip system activity can be identified by FE-analyses of single crystals. The role of twinning can beunderstood and modeled phenomenologically by an additional slip system. Simulations of polycrystallineaggregates are used to obtain a representation of the material's phenomenological yield functionin order to describe the plastic deformation behavior using the framework of continuum mechanics.This allows for accounting for the specific texture and thus for its optimization. The tension-compression asymmetry, which is typical for mechanically processed magnesium material, canbe reproduced by means of the crystal plasticity and a phenomenological model
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.1741.pdf
Permalink