Effect of twin boundaries on the strength of body-centered cubic tungsten nanowires

J Cui, L Ma, G Chen, N Jiang, P Ke, Y Yang… - Materials Science and …, 2023 - Elsevier
… (TBs) are assumed to be obstacles to dislocation motion and increase the strength of …
strength of body-centered cubic (BCC) tungsten (W). [1–11]-oriented W nanowires with (121) twin

Bending-induced deformation twinning in body-centered cubic tungsten nanowires

S Wei, Q Wang, H Wei, J Wang - Materials Research Letters, 2019 - Taylor & Francis
… fields due to their high strength and excellent thermal stability… showed up in tungsten (W)
nanowires around 20 nm under … deviating from the nanowire axis to study the effect of loading …

Discrete shear band plasticity through dislocation activities in body-centered cubic tungsten nanowires

J Wang, Y Wang, W Cai, J Li, Z Zhang, SX Mao - Scientific reports, 2018 - nature.com
body-centered cubic (BCC) tungsten nanowires via an integrated approach of in situ
nanomechanical testing and atomistic simulation. We find a strong effect … to their high strength and …

Twinning dynamics in nanoscale body-centered cubic tungsten

X Li, Q Zeng, J Wang - Scripta Materialia, 2022 - Elsevier
… by the prominent volume effect and surface effect [14,16,17], … W nanowires, the critical
resolved shear stress for the twin … order of magnitude as the ideal shear strengths of W on {112} …

Unstable twin in body-centered cubic tungsten nanocrystals

X Wang, J Wang, Y He, C Wang, L Zhong… - Nature …, 2020 - nature.com
… trade-off between strength and ductility 2,3,4 . An ideal coherent … the effect of inclined twin
boundary on the stability of twins, the … could induce the detwinning in Bcc nanowires during …

Competing twinning mechanisms in body-centered cubic metallic nanowires

Z Shi, CV Singh - Scripta Materialia, 2016 - Elsevier
… (NW) or nanowhisker is able to possess near-ideal strength … in both shock impact and nanowire
twinning inspires us to … , tantalum, molybdenum, and tungsten NWs, we also analyze the …

An atomistic study of the deformation behavior of tungsten nanowires

S Xu, Y Su, D Chen, L Li - Applied Physics A, 2017 - Springer
… are dislocations, nanowires in body-centered cubic (BCC) … To the best of our knowledge, the
effects of the strain rate … [39, 40] suggest that the strength of nanowires varies little with D, in …

Anti-twinning in nanoscale tungsten

J Wang, Z Zeng, M Wen, Q Wang, D Chen, Y Zhang… - Science …, 2020 - science.org
… , in nanoscale body-centered cubic (BCC) tungsten crystals. … growth of anti-twins in tungsten
nanowires with diameters less … Typically, the smaller the nanowire, the higher the strength (1…

[PDF][PDF] Size effect for achieving high mechanical performance body-centered cubic metals and alloys

Y Lu, X Shu, X Liao - Sci. China Mater, 2018 - researchgate.net
… 10, uniaxial tensile tests of Mo nanowires with diameters smaller than 15nm along … size
effects on yield strength. For tensile tests along <110> and <111> directions, the yield strength is …

[PDF][PDF] Polycrystallinity and grain size effects on tensile and creep behaviour of tungsten nanomaterial

S Saha - 2017 - lib.buet.ac.bd
… Additionally, strength of polycrystalline nanowires follow inverse … In this work, body-centered
cubic Tungsten is discussed. In … of the single crystal Tungsten nanowire considered in this …