Methods for improving ductility of tungsten-a review

C Ren, ZZ Fang, M Koopman, B Butler… - International Journal of …, 2018 - Elsevier
Pure tungsten and tungsten alloys with minor alloying additions are known to be brittle at
room temperature and have high ductile-to-brittle transition temperatures (DBTT). Improving …

Recent progress in R&D on tungsten alloys for divertor structural and plasma facing materials

S Wurster, N Baluc, M Battabyal, T Crosby, J Du… - Journal of Nuclear …, 2013 - Elsevier
Tungsten materials are candidates for plasma-facing components for the International
Thermonuclear Experimental Reactor and the DEMOnstration power plant because of their …

Powder metallurgy route to ultrafine‐grained refractory metals

L Zhang, X Li, X Qu, M Qin, Z Que, Z Wei… - Advanced …, 2023 - Wiley Online Library
Ultrafine‐grained (UFG) refractory metals are promising materials for applications in
aerospace, microelectronics, nuclear energy, and many others under extreme environments …

Recent progresses on designing and manufacturing of bulk refractory alloys with high performances based on controlling interfaces

T Zhang, HW Deng, ZM Xie, R Liu, JF Yang… - Journal of Materials …, 2020 - Elsevier
Refractory alloys such as tungsten and molybdenum based alloys with high strength,
thermal/electrical conductivity, low coefficient of thermal expansion and excellent creep …

First-principles determination of grain boundary strengthening in tungsten: dependence on grain boundary structure and metallic radius of solute

X Wu, YW You, XS Kong, JL Chen, GN Luo, GH Lu… - Acta Materialia, 2016 - Elsevier
The control of segregation-induced grain boundary (GB) strengthening is a strategy for
improving the ductility and intergranular fracture of metals. In this work, by first-principles …

Ab initio calculations of grain boundaries in bcc metals

D Scheiber, R Pippan, P Puschnig… - … and Simulation in …, 2016 - iopscience.iop.org
In this study, we compute grain boundary (GB) properties for a large set of GBs in bcc
transition metals with a special focus on W, Mo and Fe using ab initio density functional …

Mechanisms of deformation and ductility in tungsten–A review

BG Butler, JD Paramore, JP Ligda, C Ren… - International Journal of …, 2018 - Elsevier
The physical, chemical, and mechanical properties of tungsten are at the far limits of all
engineering materials. These unique properties, particularly ultra-high strength, density, and …

Recent advances in modeling and simulation of the exposure and response of tungsten to fusion energy conditions

J Marian, CS Becquart, C Domain, SL Dudarev… - Nuclear …, 2017 - iopscience.iop.org
Under the anticipated operating conditions for demonstration magnetic fusion reactors
beyond ITER, structural and plasma-facing materials will be exposed to unprecedented …

First-principles calculations of transition metal–solute interactions with point defects in tungsten

XS Kong, X Wu, YW You, CS Liu, QF Fang, JL Chen… - Acta Materialia, 2014 - Elsevier
The interactions of solute atoms with point defects can modify the microstructure of materials
and affect microstructural evolution, ultimately leading to macroscopic changes in the …

Segregation-induced changes in grain boundary cohesion and embrittlement in binary alloys

MA Gibson, CA Schuh - Acta Materialia, 2015 - Elsevier
Grain boundary embrittlement occurs when a solute enriches at a grain boundary and
lowers its cohesive energy. While grain boundary enrichment is often attributed to …