High entropy alloys: A focused review of mechanical properties and deformation mechanisms
The high-entropy alloy (HEA) concept was based on the idea that high mixing entropy can
promote formation of stable single-phase microstructures. During the past 15 years, various …
promote formation of stable single-phase microstructures. During the past 15 years, various …
Solute strengthening in random alloys
Random solid solution alloys are a broad class of materials that are used across the entire
spectrum of engineering metals, whether as stand-alone materials (eg Al-5xxx alloys) or as …
spectrum of engineering metals, whether as stand-alone materials (eg Al-5xxx alloys) or as …
Strength can be controlled by edge dislocations in refractory high-entropy alloys
Energy efficiency is motivating the search for new high-temperature (high-T) metals. Some
new body-centered-cubic (BCC) random multicomponent “high-entropy alloys (HEAs)” …
new body-centered-cubic (BCC) random multicomponent “high-entropy alloys (HEAs)” …
Mechanistic origin of high strength in refractory BCC high entropy alloys up to 1900K
The body centered cubic (BCC) high entropy alloys (HEAs) MoNbTaW and MoNbTaVW
show exceptional strength retention up to 1900K. The mechanistic origin of the retained …
show exceptional strength retention up to 1900K. The mechanistic origin of the retained …
Theory of screw dislocation strengthening in random BCC alloys from dilute to “High-Entropy” alloys
Random body-centered-cubic (BCC)“High Entropy” alloys are a new class of alloys, some
having high strength and good ductility at room temperature and some having exceptional …
having high strength and good ductility at room temperature and some having exceptional …
Nanostructured high-strength molybdenum alloys with unprecedented tensile ductility
G Liu, GJ Zhang, F Jiang, XD Ding, YJ Sun, J Sun… - Nature materials, 2013 - nature.com
The high-temperature stability and mechanical properties of refractory molybdenum alloys
are highly desirable for a wide range of critical applications. However, a long-standing …
are highly desirable for a wide range of critical applications. However, a long-standing …
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 …
Ab initio modeling of dislocation core properties in metals and semiconductors
Dislocation cores, the regions in the immediate vicinity of dislocation lines, control a number
of properties such as dislocation mobility, cross-slip and short-range interactions with other …
of properties such as dislocation mobility, cross-slip and short-range interactions with other …
Quantitative tests revealing hydrogen-enhanced dislocation motion in α-iron
Hydrogen embrittlement jeopardizes the use of high-strength steels in critical load-bearing
applications. However, uncertainty regarding how hydrogen affects dislocation motion …
applications. However, uncertainty regarding how hydrogen affects dislocation motion …
[HTML][HTML] Strain-rate effects and dynamic behavior of high entropy alloys
The novel class of multicomponent alloys, also known as high-entropy alloys (HEAs)
exhibits excellent properties under low strain-rate conditions. These are especially revealed …
exhibits excellent properties under low strain-rate conditions. These are especially revealed …