244
Views
1
CrossRef citations to date
0
Altmetric
Articles

Plastic deformation mechanisms of nanotwinned Mg with different twin boundary orientations: molecular dynamics simulations

, , , &
Pages 757-765 | Received 27 Nov 2019, Accepted 10 May 2020, Published online: 31 May 2020

References

  • Wang HT, Tao NR, Lu K. Architectured surface layer with a gradient nanotwinned structure in a Fe-Mn austenitic steel. Scr Mater. 2013;68:22–27.
  • Wang HT, Tao NR, Lu K. Strengthening an austenitic Fe-Mn steel using nanotwinned austenitic grains. Acta Mater. 2012;60:4027–4040.
  • Yan FK, Tao NR, Archie F, et al. Deformation mechanisms in an austenitic single-phase duplex microstructured steel with nanotwinned grains. Acta Mater. 2014;81:487–500.
  • Hodge AM, Furnish TA, Navid AA, et al. Shear band formation and ductility in nanotwinned Cu. Scr Mater. 2011;65:1006–1009.
  • Klay E, Diologent F, Durussel A, et al. Thermally activated deformation of two- and three-variant nanotwinned L1(0) Au–Cu–Pt. Intermetallics. 2011;19(7):988–996.
  • Niu RM, Han K. Strain hardening and softening in nanotwinned Cu. Scr Mater. 2013;68:960–963.
  • Lin YJ, Liu XJ, Li SL, et al. A multi-scale Al–Mg alloy containing ultra-fine lamellar structure. Mater Sci Eng A. 2015;636:207–215.
  • Yu Q, Qi L, Chen K, et al. The nanostructured origin of deformation twinning. Nano Lett. 2012;12(2):887–892.
  • Lu L, Shen YF, Chen XH, et al. Ultrahigh strength and high electrical conductivity in copper. Science. 2004;304(5669):422–426.
  • Lu K, Lu L, Suresh S. Strengthening materials by engineering coherent Internal boundaries at the nanoscale. Science. 2009;324(5925):349–352.
  • Zhu T, Li J, Samanta A, et al. Interfacial plasticity governs strain rate sensitivity and ductility in nanostructured metals. Proc Nat Acad Sci. 2007;104(9):3031–3036.
  • Lu N, Du K, Lu L, et al. Transition of dislocation nucleation induced by local stress concentration in nanotwinned copper. Nat Commun. 2015;6:7648.
  • Gao YJ, Du YT, Zhou SY, et al. The deformation behaviour of silver nanowires with kinked twin boundaries under tensile loading. Mol Simul. 2019;45(17):1411–1418.
  • Jin ZH, Gumbsch P, Albe K, et al. Interactions between non-screw lattice dislocations and coherent twin boundaries in face-centered cubic metals. Acta Mater. 2008;56:1126–1135.
  • Song HY, Li YL. Effect of twin boundary spacing on deformation behavior of nanotwinned magnesium. Phys Lett A. 2012;376(4):529–533.
  • Li B, Ma E. Atomic shuffling dominated mechanism for deformation twinning in magnesium. Phys Rev Lett. 2009;103(3):035503.
  • Zhang S, Zhou JQ, Wang L, et al. The effect of the angle between loading axis and twin boundary on the mechanical behaviors of nanotwinned materials. Mater Design. 2013;45:292–299.
  • Jang DC, Li XY, Gao HJ, et al. Deformation mechanisms in nanotwinned metal nanopillars. Nat Nanotechnol. 2012;7(9):594–601.
  • You ZS, Li XY, Gui LJ, et al. Plastic anisotropy and associated deformation mechanisms in nanotwinned metals. Acta Mater. 2013;61:217–227.
  • Lu QH, You ZS, Huang XX, et al. Dependence of dislocation structure on orientation and slip systems in highly oriented nanotwinned Cu. Acta Mater. 2017;127:85–97.
  • Fu H, Ge BC, Xin YC, et al. Achieving high strength and ductility in magnesium alloys via densely hierarchical double contraction nanotwins. Nano Lett. 2017;17(10):6117–6124.
  • Liu XY, Adams JB, Ercolessi F, et al. Eam potential for magnesium from quantum mechanical forces. Model Simul Mater Sci Eng. 1996;4(3):293–303.
  • Guo YF, Tang XZ, Wang YS, et al. Compression deformation mechanisms at the nanoscale in magnesium single crystal. Acta Metall Sin (Engl Lett). 2013;26(1):75–84.
  • Tang XZ, Guo YF, Xu S, et al. Atomistic study of pyramidal slips in pure magnesium single crystal under nano-compression. Phil. Mag. 2015;95(19):2013–2025.
  • Zu Q, Tang XZ, Xu S, et al. Atomistic study of nucleation and migration of the basal/prismatic interfaces in Mg single crystals. Acta Mater. 2017;130:310–318.
  • Zu Q, Tang XZ, Fu H, et al. The irrational shear of {101¯1} twinning in Mg. Materialia. 2019;5:100239.
  • Plimpton S. Fast parallel algorithms for short-range molecular dynamics. Comput Phys. 1995;117(1):1–19.
  • Faken D, Jónsson H. Systematic analysis of local atomic structure combined with 3D computer graphics. Comput Mater Sci. 1994;2(2):279–286.
  • Li J. Atomeye: an efficient atomistic configuration viewer. Model Simul Mater Sci Eng. 2003;11(2):173–177.
  • Tang XZ, Zu Q, Guo YF. The diffusive character of extension twin boundary migration in magnesium. Materialia. 2018;2:208–213.
  • Wang J, Hoagland RG, Hirth JP, et al. Nucleation of a (1¯012) twin in hexagonal close-packed crystals. Scr Mater. 2009;61:903–906.
  • Wang J, Hirth JP, Tomé CN. (1¯012) Twinning nucleation mechanisms in hexagonal-close-pac- ked crystals. Acta Mater. 2009;57:5521–5530.
  • Chen P, Wang F, Li B. Misfit strain induced phase transformation at a basal/prismatic twin boundary in deformation of magnesium. Comp Mater Sci. 2019;164:186–194.
  • Xin YC, Lv LC, Chen HW, et al. Effect of dislocation-twin boundary interaction on deformation by twin boundary migration. Mater Sci Eng A. 2016;662:95–99.
  • Yoo MH, Wei CT. Growth of deformation twins in zinc crystals. Phil Mag. 1966;14(129):573–587.
  • Kacher J, Robertson IM. In situ and tomographic analysis of dislocation/grain boundary interactions in alpha-titanium. Phil Mag. 2014;94(8):814–829.
  • Wang J, Beyerlein IJ, Tomé CN. Reactions of lattice dislocations with grain boundaries in Mg: implications on the micro scale from atomic-scale calculations. Int J Plast. 2014;56:156–172.
  • Wang FL, Agnew SR. Dislocation transmutation by tension twinning in magnesium alloy AZ31. Int J Plast. 2016;81:63–86.
  • Wang FL, Barrett CD, McCabe RJ, et al. Dislocation induced twin growth and formation of basal stacking faults in twins in pure Mg. Acta Mater. 2019;165:471–485.
  • Su R, Neffati D, Cho J, et al. Phase transformation induced plasticity in high-strength hexagonal close packed Co with stacking faults. Scr Mater. 2019;173:32–36.
  • Jia L, Fang Q, Liu B, et al. Transformation induced softening and plasticity in high entropy alloys. Acta Mater. 2018;147:35–41.
  • Ishioka S. Dynamic formation of a twin in a bcc crystal. J Appl Phys. 1975;46(10):4271–4274.
  • Wang J, Huang HC. Novel deformation mechanism of twinned nanowires. Appl Phys Lett. 2006;88(22):203112.
  • Wang J, Huang HC. Shockley partial dislocations to twin: another formation mechanism and generic driving force. Appl Phys Lett. 2004;85(24):5983–5985.
  • Xie C, Fang Q, Li L, et al. A disclination model for twinning and de-twinning of nanotwinned copper. Phil Mag. 2016;96(3):301–309.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.