Journal
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME
Volume 140, Issue 2, Pages -Publisher
ASME
DOI: 10.1115/1.4038673
Keywords
twinning; stacking fault energy; metallic materials; electron microscopy; atomistic modeling
Funding
- Nyquist chair funds
- NSF CMMI [1562288]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1562288] Funding Source: National Science Foundation
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This paper recounts recent advances on the atomistic modeling of twinning in body-centered cubic (bcc) and face-centered cubic (fcc) alloy. Specifically, we have reviewed: (i) the experimental evidence of twinning-dominated deformation in single- and multi-grain microstructures, (ii) calculation of generalized planar fault energy (GPFE) landscapes, and (iii) the prediction of critical friction stresses to initiate twinning-governed plasticity (e.g., twin nucleation, twin-slip and twin-twin interactions). Possible avenues for further research are outlined.
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