Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
Methods for improving ductility of tungsten-a review
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 …
room temperature and have high ductile-to-brittle transition temperatures (DBTT). Improving …
Design of stable nanocrystalline alloys
Nanostructured metals are generally unstable; their grains grow rapidly even at low
temperatures, rendering them difficult to process and often unsuitable for usage. Alloying …
temperatures, rendering them difficult to process and often unsuitable for usage. Alloying …
Stepwise evolution of spherical seeds into 20-fold twinned icosahedra
Understanding the factors that influence the growth and final shape of noble metal
nanostructures is important for controlling their properties. However, relative to their single …
nanostructures is important for controlling their properties. However, relative to their single …
The role of interstitial constituents in refractory complex concentrated alloys
To meet the growing demand for transportation and energy consumption around the world,
more efficient turbine engines and power generators with higher operating temperatures are …
more efficient turbine engines and power generators with higher operating temperatures are …
In situ oxide dispersion strengthened tungsten alloys with high compressive strength and high strain-to-failure
In this work a novel process methodology to concurrently improve the compressive strength
(2078 MPa at a strain rate of 5× 10− 4 s− 1) and strain-to-failure (over 40%) of bulk tungsten …
(2078 MPa at a strain rate of 5× 10− 4 s− 1) and strain-to-failure (over 40%) of bulk tungsten …
[HTML][HTML] Additive manufactured high-strength tungsten composite with high deformability by using a novel CoCrNi medium-entropy binder
H Chen, D Li, Z Geng, Y Wu, T Zhang, X Jiang… - Composites Part B …, 2022 - Elsevier
Tungsten-based composites often exhibit good performance for high temperature
applications, such as high strength, however, the very limited plasticity at room temperature …
applications, such as high strength, however, the very limited plasticity at room temperature …
Pressureless two-step sintering of ultrafine-grained refractory metals: Tungsten-rhenium and molybdenum
Z Que, Z Wei, X Li, L Zhang, Y Dong, M Qin… - Journal of Materials …, 2022 - Elsevier
The challenge of sintering ultrafine-grained refractory metals and alloys to full density is
hereby addressed by pressureless two-step sintering in tungsten-rhenium alloy and pure …
hereby addressed by pressureless two-step sintering in tungsten-rhenium alloy and pure …
Concurrent microstructural evolution of ferrite and austenite in a duplex stainless steel processed by high-pressure torsion
A duplex stainless steel with approximately equal volume fractions of ferrite and austenite
was processed by high-pressure torsion. Nano-indentation, electron backscatter diffraction …
was processed by high-pressure torsion. Nano-indentation, electron backscatter diffraction …
Nanostructured yttria dispersion-strengthened tungsten synthesized by sol–gel method
R Liu, ZM Xie, QF Fang, T Zhang, XP Wang… - Journal of Alloys and …, 2016 - Elsevier
Yttria dispersion-strengthened tungsten with both enhanced strength and ductility was
synthesized through sol–gel method followed by sintering and high-temperature swaging …
synthesized through sol–gel method followed by sintering and high-temperature swaging …