A5059985787- High Entropy Alloys Studies
- High-Temperature Coating Behaviors
- Advanced materials and composites
- Aluminum Alloy Microstructure Properties
- Advanced Materials Characterization Techniques
- Microstructure and Mechanical Properties of Steels
- Additive Manufacturing Materials and Processes
- High Temperature Alloys and Creep
- Hydrogen embrittlement and corrosion behaviors in metals
- Aluminum Alloys Composites Properties
- Microstructure and mechanical properties
- Intermetallics and Advanced Alloy Properties
- Hydrogen Storage and Materials
- Titanium Alloys Microstructure and Properties
- Welding Techniques and Residual Stresses
- Metal Alloys Wear and Properties
- Material Properties and Failure Mechanisms
- Corrosion Behavior and Inhibition
- Boron and Carbon Nanomaterials Research
- Metal and Thin Film Mechanics
Southern University of Science and Technology
2022-2024
Yanshan University
2024
Abstract Deformation twinning is rarely found in bulk face-centered cubic (FCC) alloys with very high stacking fault energy (SFE) under standard loading conditions. Here, based on results from quasi-static tensile experiments, we report deformation a micrometer grain-sized compositionally complex steel (CCS) SFE of ~79 mJ/m 2 , far above the regime for (<~50 ) reported FCC steels. The dual-nanoprecipitation, enabled by compositional degrees freedom, contributes to an ultrahigh true stress...
Abstract Biomedical alloys are paramount materials in biomedical applications, particularly crafting biological artificial replacements. In traditional alloys, a significant challenge is simultaneously achieving an ultra‐low Young's modulus, excellent biocompatibility, and acceptable ductility. A multi‐component body‐centered cubic (BCC) high‐entropy alloy (Bio‐HEA), which composed of non‐toxic elements, noteworthy for its outstanding biocompatibility compositional tuning capabilities....
It remains challenging to achieve attractive mechanical strength and ductility in commercial 7xxx alloys fabricated by wire-arc additive manufacturing (WAAM). Here, we combine WAAM processing with solution artificial aging treatments functionalise their inherent age-hardening capabilities via microstructure controlling. The as-deposit 7055 alloy shows a heterogeneous bimodal grain size distribution, the primary metallurgical defects are spherical gas pores an inter-layer distribution. Upon...
Extensive experiments have shown that the transformation from face-centered cubic to hexagonal close-packed ε phase usually occurs around coherent Σ3 boundaries. However, in this letter, we reveal a different mechanism metastable dual-phase compositionally complex alloy via systematic high-resolution scanning transmission electron microscopy analysis. The γ matrix can be transformed ɛ (as small as one unit) an incoherent boundary (~30 nm), i.e., facet of boundary. This is assisted by...
The microstructure evolution, corrosion resistance, and passive-film properties of an interstitial FeMnCoCrNi high-entropy alloys annealed at different temperature were investigated. Strip-shape ellipsoidal M23C6 carbides precipitate along the grain boundaries HEAs 500 700 °C, while round are precipitated within grains 900 °C. resistance was deteriorated by annealing but improved preferential dissolution substrate is more readily caused strip-shape with higher working functions.