Dislocation

Please see the MPIE website for the job description & online application

We seek candidates with good research experience in computational mechanics, solid mechanics, and plasticity theory. The candidate is to use computational modeling to study the dislocation-mediated microstructure evolution and material behavior in various manufacturing processes.

The desired candidate will have:

·   Ph.D. in Mechanical Engineering / Solid Mechanics / Material Science

·   Solid background in the mechanics of materials, nonlinear continuum materials, dislocation theory of plasticity of metals

The Department of Materials Science and Engineering of the Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg is inviting applications for three doctoral research positions to begin immediately. The successful applicants will work together with Prof.

https://doi.org/10.1016/j.ijplas.2020.102689

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https://doi.org/10.1016/j.mechmat.2019.103200

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https://doi.org/10.1088/1361-651X/ab3b62

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https://doi.org/10.1088/1361-651X/ab2d16

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http://dx.doi.org/10.1080/14786435.2019.1582850

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https://link.springer.com/chapter/10.1007/978-3-319-77504-3_12

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http://dx.doi.org/10.1080/09506608.2018.1486358

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Dear Colleagues,

Please see attached a recent article published in Scientific Reports on the fundamental nature of dislocation motion in crystals. Leave your comments or whatever you think of it.

Link: https://www.nature.com/articles/s41598-017-18254-5

Best,

http://dx.doi.org/10.3390/cryst7050120

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http://dx.doi.org/10.1007/s11837-017-2302-1

Abstract

Molecular dynamics (MD) is employed to investigate the plastic deformation mechanisms of single crystalline yttria-stabilized tetragonal zirconia (YSTZ) nanopillars under uniaxial compression. Simulation results show that the nanoscale plastic deformation of YSTZ is strongly dependent on the crystallographic orientation of zirconia nanopillars. For the first time, the experimental explored tetragonal to monoclinic phase transformation is reproduced by MD simulations in some particular loading directions.

B. C. McGuigan, P. Pochet, and H. T. Johnson, Critical thickness for interface misfit dislocation formation in two-dimensional materials, Phys. Rev. B 93, 214103, 2016.

URL: http://link.aps.org/doi/10.1103/PhysRevB.93.214103

http://dx.doi.org/10.1038/npjcompumats.2015.16

Abstract

In situ atomic-scale observation of twinning-dominated deformation in nanoscale body-centred cubic ​tungsten

By Jiangwei Wang, Zhi Zeng, Christopher R. Weinberger, Ze Zhang, Ting Zhu & Scott X. Mao

Nature Materials (2015) doi:10.1038/nmat4228

Ting Zhu, Ju Li, Amit Samanta, Austin Leach and Ken Gall, “Temperature and strain-rate dependence of surface dislocation nucleation”, Physical Review Letters, 100, 025502 (2008).

PRL 100, 035503 (2008)  Jianyu Huang, Feng Ding, Boris I. Yakobson  

We are pleased to announce Dislocations 2008, an international conference on the fundamentals of plastic deformation and other physical phenomena where the dislocations play pivotal roles.  The conference will take place on October 13-17, 2008 at the Gold Coast Hotel, Hong Kong, China.  More information about the Dislocations 2008 conference can be found at the following web site: