Refractory high-entropy alloy coatings for high-temperature aerospace and energy applications
Refractory high-entropy alloys (RHEAs) were first developed a decade ago for aerospace
applications, with the goal of manufacturing high-strength materials having higher structural …
applications, with the goal of manufacturing high-strength materials having higher structural …
High-throughput additive manufacturing and characterization of refractory high entropy alloys
Abstract Refractory High Entropy Alloys (RHEAs) and Refractory Complex Concentrated
Alloys (RCCAs) are high-temperature structural alloys ideally suited for use in harsh …
Alloys (RCCAs) are high-temperature structural alloys ideally suited for use in harsh …
Theory-guided design of duplex-phase multi-principal-element alloys
Density-functional theory (DFT) is used to identify phase-equilibria in multi-principal-element
and high-entropy alloys (MPEAs/HEAs), including duplex-phase and eutectic …
and high-entropy alloys (MPEAs/HEAs), including duplex-phase and eutectic …
Extreme hardness at high temperature with a lightweight additively manufactured multi-principal element superalloy
Materials are needed that can tolerate increasingly harsh environments, especially ones that
retain high strength at extreme temperatures. Higher melting temperature alloys, like those …
retain high strength at extreme temperatures. Higher melting temperature alloys, like those …
Additive manufacturing of high-strength multiphase nanostructures in the binary ni–nb system for the discovery of new types of superalloys
Ni-based superalloys have been studied extensively due to their impressive mechanical
properties, including strength and creep resistance at high temperatures. Growing interest …
properties, including strength and creep resistance at high temperatures. Growing interest …
The hide-and-seek of grain boundaries from moiré pattern fringe of two-dimensional graphene
Grain boundaries (GBs) commonly exist in crystalline materials and affect various properties
of materials. The facile identification of GBs is one of the significant requirements for …
of materials. The facile identification of GBs is one of the significant requirements for …
Thermally activated deformation behavior of ufg-au: environmental issues during long-term and high-temperature nanoindentation testing
For testing time-dependent material properties by nanoindentation, in particular for long-
term creep or relaxation experiments, thermal drift influences on the displacement signal are …
term creep or relaxation experiments, thermal drift influences on the displacement signal are …
Nano-tribological behavior and structural evolution of 304 stainless-steel by molecular dynamics simulation and experiment
XY Song, PP Zhang, XB Liu, W Cheng, ZY Liu, XG Li… - Vacuum, 2024 - Elsevier
Abstract 304 stainless-steel has excellent mechanical properties and is commonly used in
ultra-precision instrumentation. Nevertheless, the research on the intricate nano tribological …
ultra-precision instrumentation. Nevertheless, the research on the intricate nano tribological …
Low friction in BCC metals via grain boundary sliding
Low friction is demonstrated with pure polycrystalline tantalum sliding contacts in both
molecular dynamics simulations and ultrahigh vacuum experiments. This phenomenon is …
molecular dynamics simulations and ultrahigh vacuum experiments. This phenomenon is …
On the size effect of strain rate sensitivity and activation volume for face-centered cubic materials: a scaling law
In a recent experimental study of indentation creep, the strain rate sensitivity (SRS) and
activation volume v* have been noticed to be dependent on the indentation depth or loading …
activation volume v* have been noticed to be dependent on the indentation depth or loading …