Results 41 to 50 of about 473 (275)

Flexible Ag2Se‐Based Thermoelectrics: Fundamentals, Processing, and Device Applications

Advanced Materials, EarlyView.
Ag2Se‐based thermoelectrics are reviewed from fundamental transport mechanisms to flexible device integration. Crystal structure, defect chemistry, and band features are correlated with performance optimization strategies and scalable fabrication routes.
Jie Qin, Yuchen Yang, Huangshui Ma, Yong Du, Min Hong, Qinfei Ke   +5 more
wiley   +1 more source

Three-Dimensional Numerical Simulation of Metal Flow in the Initial Stage of a Twin-Roll Strip Casting Process

, 2011
A three-dimensional mathematical model has been developed to study turbulent fluid flow, heat transfer and free surface profile in the initial stage of the twin-roll casting strip pool by a commercial software ProCAST.
Wei Dong Zhang, Jie Yu Zhang, Qing Hua Zhang, Bo Wang, Zhi Yu Liu   +4 more
core   +1 more source

Evolution of microstructure and properties during homogenization of the novel Al–Li alloy fabricated by electromagnetic oscillation twin-roll casting

Journal of Materials Research and Technology, 2020
As a new non-traditional method of alloy preparation, the electromagnetic twin-roll casting (ETRC) technology overcomes the defects of traditional technologies in the preparation of traditional aluminum alloy, especially Al–Li alloy, such as gas hole in ...
Shiju Li, Bowen Wei, Chuang Yu, Yang Li, Guangming Xu, Yong Li   +5 more
doaj   +1 more source

New‐Era Polymer Thermoelectrics: Material Innovations, Doping Frontiers, Decoupling Strategies, and Unconventional Applications

Advanced Materials, EarlyView.
The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley   +1 more source

Influence of varying twin-roll casting conditions on the microstructure and texture development and mechanical properties of a Mg-6.8Y-2.5Zn-0.4Zr alloy

Frontiers in Metals and Alloys
In this study the influence of varying twin-roll casting (TRC) conditions on the microstructure, texture and mechanical properties of a Mg-6.8Y-2.5Zn-0.4Zr alloy (WZ73) was investigated. In particular the twin-roll cast speed and rolling gap were varied.
Franziska Ueberschär, Madlen Ullmann, Ulrich Prahl   +2 more
doaj   +1 more source

A Unified Polymer Hydrogel Electrolyte Integrating Robust Adhesion, Self‐Healing, and Oxygen Permeability in Flexible Neutral Zn‐Air Batteries

Advanced Materials, EarlyView.
Flexible neutral Zn‐air batteries achieving a remarkable 3000‐cycle lifespan and withstanding 1000 bending cycles are reported. This performance is realized by employing a 3D physically cross‐linked neutral hydrogel electrolyte that integrates high adhesion, self‐healing, O2 permeability, and CO2 tolerance to resolve critical stability challenges ...
Zhenyu Sun, Kaiming Liao, Wei Zhou, Zongping Shao   +3 more
wiley   +1 more source

Crack Formation Mechanism of High Silicon Steel during Twin-Roll Strip Casting

, 2017
High silicon steel was fabricated by twin-roll strip casting. The cracks on the surfaces of the processed strips were obtained and analyzed by digital camera after series of surface treatment. Optical microscopy (OM) and scanning electron microscopy (SEM)
Wen Li Hu, Yuan Xiang Zhang, Guo Yuan, Guo Dong Wang   +3 more
core   +1 more source

Numerical and experimental research on solidification of T2 copper alloy during the twin-roll casting

High Temperature Materials and Processes, 2022
Based on CAFE theory and KGT model, the twin-roll strip casting mathematical model was established to solve the dendrite growth and solidification of T2 copper alloy in the molten pool.
Lv Zheng, Sun Zhen-Jun, Hou Zhi-Hui, Yang Zhou-Yi, Zhang Xi-Liang, Shi Yin-Dong   +5 more
doaj   +1 more source

Variation Law of Thickness Fraction of Three-Laminated Aluminum Composite Plate by Solid–Liquid–Solid and Liquid–Solid–Liquid Twin-Roll Casting

Metals, 2022
Solid–liquid–solid twin-roll casting (SLS-TRC) and liquid–solid–liquid twin-roll casting (LSL-TRC) are two processes for manufacturing three-laminated aluminum composite plates by using solid–liquid cast-rolling composite technology.
Ridong Zhao, Meng Yan, Zishuai Jiao, Dongchun Guo, Huagui Huang   +4 more
doaj   +1 more source

High Center‐of‐Mass, Multi‐Legged Soft Robots Powered by Geometrically Encoded Liquid Crystal Elastomer Arc Appendages

Advanced Materials, EarlyView.
Inspired by the octopus and the golden wheel spider, soft robots with liquid crystal elastomer arc fibers as appendages are fabricated to transcend surface constraints through an elevated center of mass and minimal contact footprints. By leveraging curvature‐encoded deformation‐recovery cycles, these robots exhibit contractile, torsional, and flexural ...
Jong Bin Kim, Antonio Proctor Martinez, Yaoye Hong, Ziyun Zhang, Kun‐Yu Wang, Shu Yang   +5 more
wiley   +1 more source