A5101796607- Metallurgical Processes and Thermodynamics
- Aluminum Alloy Microstructure Properties
- Solidification and crystal growth phenomena
- High Temperature Alloys and Creep
- High-Temperature Coating Behaviors
- Microstructure and Mechanical Properties of Steels
- Microstructure and mechanical properties
- Aluminum Alloys Composites Properties
- High Entropy Alloys Studies
- Fatigue and fracture mechanics
- Metal Alloys Wear and Properties
- Metallurgy and Material Forming
- Advanced materials and composites
- Metal Extraction and Bioleaching
- Intermetallics and Advanced Alloy Properties
- Cellular and Composite Structures
- Metallic Glasses and Amorphous Alloys
- Minerals Flotation and Separation Techniques
- Additive Manufacturing Materials and Processes
- Nuclear Materials and Properties
- Probabilistic and Robust Engineering Design
- Electromagnetic Effects on Materials
- Recycling and Waste Management Techniques
- solar cell performance optimization
- Organic Electronics and Photovoltaics
Shanghai University
2015-2024
Advanced Engineering (Czechia)
2022
Materials Processing (United States)
2015
Shanghai Research Institute of Materials
2006
Abstract Realizing improved strength–ductility synergy in eutectic alloys acting as situ composite materials remains a challenge conventional systems, which is why high-entropy (EHEAs), newly-emerging multi-principal-element category, may offer wider possibilities. Here, we use an AlCoCrFeNi 2.1 EHEA to engineer ultrafine-grained duplex microstructure that deliberately inherits its lamellar nature by tailored thermo-mechanical processing achieve property combinations are not accessible...
In human-made malleable materials, microdamage such as cracking usually limits material lifetime. Some biological composites, bone, have hierarchical microstructures that tolerate cracks but cannot withstand high elongation. We demonstrate a directionally solidified eutectic high-entropy alloy (EHEA) successfully reconciles crack tolerance and The has hierarchically organized herringbone structure enables bionic-inspired buffering. This effect guides stable, persistent crystallographic...
High strength of materials usually comes with low ductility due to the lost or short-lived strain hardening. Here, we uncover a sequentially-activated multistage hardening (SMSH) that allows for sustained and effective strain-hardening capability in strong ultrafine-grained eutectic high-entropy alloy (EHEA). Consequently, exceptional is realized an EHEA, accompanied high ultimate strength. We demonstrate SMSH derived from coordinated three-level design on structural heterogeneity,...
Abstract Semitransparent organic photovoltaics (ST‐OPVs) offer promising prospects for application in building‐integrated photovoltaic systems and greenhouses, but further improvement of their performance faces a delicate trade‐off between the two competing indexes power conversion efficiency (PCE) average visible transmittance (AVT). Herein, authors take advantage coupling plasmonics with optical design ST‐OPVs to enhance near‐infrared absorption hence simultaneously improve transparency...
Semitransparent organic solar cells (ST-OSCs) offer potentially more opportunities in areas of self-powered greenhouses and building-integrated photovoltaic systems. In this work, the effort to use a combination solution-processable gold nanobipyramids (AuNBPs)-based hole transporting layer low/high dielectric constant double optical coupling (OCL) for improving performance ST-OSCs over two competing indexes power conversion efficiency (PCE) average visible transmittance (AVT) is reported....
Cu-15Ni-8Sn alloy is commonly utilized in various applications because of its exceptional strength, elasticity, and softening resistance. Ti microalloying has been employed to enhance the mechanical properties alloy. By adding 0.5 wt.% Ti, peak-ageing tensile microhardness, elastic modulus alloys reach 1401.3 MPa, 479.3 Hv, 154.7 GPa, respectively, representing greatest comprehensive performance reported previous literature. Additionally, significantly enhances resistance alloys. After...
The AlCoCrFeNi2.1 eutectic high-entropy alloy (Ni2.1 EHEA), as an exemplary representative of the family, has garnered significant research attention owing to its exceptional comprehensive properties. In this study, we investigated influence various growth velocities on microstructure, lamellar spacing, and mechanical properties Ni2.1 EHEA. We observed that at lower velocities, structure consisted alternating face-centered-cubic (FCC) phase B2 lamellae aligned in a single direction, with...
Cusp magnetic field (CMF) could overcome the damage of longitudinal or transverse fields on directional growth dendrites in single crystal (SC) superalloy, which shows promising prospects industrial application. The SC preparation is obtained by spiral selector industry. Thus, work investigates effect CMF grain selection superalloy with starter-block heights and temperature gradients for first time. results show that favorable all related at gradients. At high height, decreases height...
Thermoelectric magnetic force (TEMF), which is induced by the interaction between thermoelectric current and applied field, acting on solid during directional solidification under a static field was derived. Equipping derived equation, an analytical calculation of velocity spherical particle submitted to TEMF carried out. The experiment with corresponding phenomenon performed recorded in situ synchrotron X-ray imaging, permitted direct measurement TEMF-driven motion detached fragments....
Eutectic high-entropy alloys (EHEAs) feature attractive strength–ductility balance at both ambient and cryogenic temperatures. Nevertheless, microstructural origins underpinning these balanced mechanical properties remain elusive. Here the deformation mechanisms of a recently-reported Al19Co20Fe20Ni41 EHEA were comparatively investigated 298 77 K, which revealed high frequency density dislocation multi-slip scenario in soft eutectic lamellae corresponding compatible co-deformation adjacent...
Bioinspired hierarchical design demonstrates a promising microstructural solution to circumvent multiple intricate property trade-offs in artificial materials. However, it remains extremely challenging tailor structural hierarchies feasibly and synthetically, particularly for bulk Here, counterintuitive strategy is reported–exploring multiscale heredities highly-developed dendritic as-cast alloys. During optimized thermomechanical processing, we carefully control these dendrites be...
The magnetic immiscible copper matrix alloys are extensively industrial applications due to their comprehensive properties such as high strength, conductivity, thermal conductivity and excellent permeability. Here, we investigated the effects of addition Co Al elements on microstructural evolution Cu-Fe (CFAs) after annealing under static field (SMF). results show that microalloying was effective in enhancing mechanical but negative for electric conductivity. element significantly suppressed...