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 …

Additive manufacturing of tungsten, tungsten-based alloys, and tungsten matrix composites

SH Pan, GC Yao, YN Cui, FS Meng, C Luo, TQ Zheng… - Tungsten, 2023 - Springer
Tungsten (W) materials are gaining more and more attention due to the extended
applications of metallic systems in the extreme environments. Given W's unique …

Achieving high strength and ductility in ODS-W alloy by employing oxide@ W core-shell nanopowder as precursor

Z Dong, Z Ma, L Yu, Y Liu - Nature Communications, 2021 - nature.com
With excellent creep resistance, good high-temperature microstructural stability and good
irradiation resistance, oxide dispersion strengthened (ODS) alloys are a class of important …

Hierarchical microstructures enabled excellent low-temperature strength-ductility synergy in bulk pure tungsten

XF **e, ZM **e, R Liu, QF Fang, CS Liu, WZ Han, X Wu - Acta Materialia, 2022 - Elsevier
Refractory tungsten (W) is notoriously brittle at room temperature, which restricts its
workability and narrows the temperature range of critical applications. Here, we report a …

Excellent high-temperature strength and ductility of the ZrC nanoparticles dispersed molybdenum

K **g, R Liu, ZM **e, JG Ke, XP Wang, QF Fang… - Acta Materialia, 2022 - Elsevier
The interface control is critical in the development of high-performance molybdenum (Mo)
alloys for high-temperature applications like space reactors. In this work, nanostructured Mo …

Precipitation and micromechanical behavior of the coherent ordered nanoprecipitation strengthened Al-Cr-Fe-Ni-V high entropy alloy

L Wang, L Wang, S Zhou, Q **ao, Y **ao, X Wang… - Acta Materialia, 2021 - Elsevier
Coherent ordered nanoprecipitation (CON) hardening is an efficient strategy for breaking the
strength-ductility trade-off. Revealing the precipitation mechanism and its influence on …

Pure tungsten and oxide dispersion strengthened tungsten manufactured by selective laser melting: Microstructure and cracking mechanism

Z Hu, Y Zhao, K Guan, Z Wang, Z Ma - Additive Manufacturing, 2020 - Elsevier
The microstructure and cracking behavior of pure tungsten and micron-and nanosized Y 2 O
3 dispersion strengthened tungsten fabricated by selective laser melting are comparatively …

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

T Zhang, HW Deng, ZM **e, 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 …

Synthesis of W-Y2O3 alloys by freeze-drying and subsequent low temperature sintering: microstructure refinement and second phase particles regulation

W Hu, Z Dong, L Yu, Z Ma, Y Liu - Journal of Materials Science & …, 2020 - Elsevier
In this work, WY 2 O 3 alloys are prepared by freeze-drying and subsequent low temperature
sintering. The average size of reduced WY 2 O 3 composite powders prepared by freeze …

A unified model for ductile-to-brittle transition in body-centered cubic metals

YH Zhang, E Ma, J Sun, WZ Han - Journal of Materials Science & …, 2023 - Elsevier
Ductile-to-brittle transition (DBT) is a well-known phenomenon in body-centered-cubic
(BCC) metals, intermetallics and semiconductor materials. A quantitative prediction of the …