Pure-Shuffle Nucleation of Deformation Twins in Hexagonal-Close-Packed Metals

By Jian Wang, S. Yadav, J. Hirth, C. Tomé, Irene J. Beyerlein. 2013

202 citations recorded by the source corpus.

The propagation of deformation twins in hexagonal-close-packed metals is commonly described by a conventional glide-shuffle mechanism. The widely accepted convention is that this process is also responsible for twin nucleation, but lacks direct confirmation. Using atomistic simulations, we identify an unconventional pure-shuffle mechanism for the nucleation of (1¯012) twins, which then grow through the conventional glide-shuffle mechanism entailing the glide of twinning disconnections. The pure-shuffle nucleation of twins at grain boundaries can be ascribed to a high-stress concentration and pre-existing grain boundary dislocations.

Subfields: Biomaterials, Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/b507b828fc77e8235f67ac379e49b8de899eb9b3

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Biomaterials

1. Irene J. Beyerlein
2. C. Tomé
3. A. Kanjarla
4. S. Niezgoda
5. Jian Wang
6. Somnath Ghosh
7. Jiahao Cheng
8. Marko Knezevic

In Materials Chemistry

1. Irene J. Beyerlein
2. C. Tomé
3. A. Kanjarla
4. S. Niezgoda
5. Marko Knezevic
6. Ricardo A. Lebensohn
7. Jian Wang
8. Rodney J. McCabe

In Mechanical Engineering

1. Irene J. Beyerlein
2. C. Tomé
3. A. Kanjarla
4. S. Niezgoda
5. Jian Wang
6. Marko Knezevic
7. Jiahao Cheng
8. Somnath Ghosh

Citations in the corpus

• Stochastic modeling of twin nucleation in polycrystals: An application in hexagonal close-packed metals (2014, background): “Twin growth is largely controlled by stress states with a longer coherence, such as the average stress state in the now established twin or in the parent grain, which drive the motion of the twinning partials (Wang et al., 2013).”