The reciprocal relationship of orientation dependence of the dislocation boundaries in body-centered cubic metals and face-centered cubic metals

2014 ◽  
Vol 619 ◽  
pp. 107-111
Author(s):  
Shan Wang ◽  
Chang Chen ◽  
Yanlin Jia ◽  
Mingpu Wang ◽  
Fuzhong Xia ◽  
...  
Author(s):  
Robert C. Rau ◽  
Robert L. Ladd

Recent studies have shown the presence of voids in several face-centered cubic metals after neutron irradiation at elevated temperatures. These voids were found when the irradiation temperature was above 0.3 Tm where Tm is the absolute melting point, and were ascribed to the agglomeration of lattice vacancies resulting from fast neutron generated displacement cascades. The present paper reports the existence of similar voids in the body-centered cubic metals tungsten and molybdenum.


ACS Nano ◽  
2018 ◽  
Vol 12 (7) ◽  
pp. 7246-7252 ◽  
Author(s):  
Dhani Nafday ◽  
Subhrangsu Sarkar ◽  
Pushan Ayyub ◽  
Tanusri Saha-Dasgupta

Author(s):  
Piyas Chowdhury ◽  
Huseyin Sehitoglu

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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