Results 81 to 90 of about 4,164 (246)

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Investigation on oxidation behavior and mechanical properties of FeCoNiNbAlCrTa high entropy alloy at 900 °C

Journal of Materials Research and Technology
In recent years, eutectic high entropy alloys have been found to have excellent mechanical properties and corrosion resistance; however, the simultaneous achievement of these mechanical properties and high-temperature oxidation resistance still ...
Huaqing Yi, Liuqing Ni, Bingbing Yin, Mengtian Liang, Hongzhi Yang, Yi Yang   +5 more
doaj   +1 more source

Recent Developments in Energy Storage and Conversion Applications of Multifunctional Vanadium Carbides

Advanced Materials Technologies, EarlyView.
This review systematically explains the synthesis, properties, and energy storage and conversion applications of vanadium carbides. We introduce the structural and the synthetic strategies and reviewed recent developments in the material synthesis processes. The emerging applications of vanadium carbides in energy storage and conversion are highlighted.
Swathy B. Saseendran, Sang Mun Jeong, Chandra Sekhar Rout   +2 more
wiley   +1 more source

Formation mechanism of cellular structure of Ni32.5Co15Cr10Fe23Al17.5Mo1.5W0.5 eutectic high-entropy alloys by selective laser melting

Materials Research Letters
The extremely fast cooling rate of selective laser melting can significantly refine the lamellar structure of eutectic high-entropy alloys. However, extreme solidification conditions also promote the appearance of honeycomb-like cellular structures. Here,
An Xie, Huan Yu, Xiaoyu Bai, Zhijun Wang, Junjie Li, Jincheng Wang, Feng He   +6 more
doaj   +1 more source

A novel equiaxed eutectic high-entropy alloy with excellent mechanical properties at elevated temperatures

Materials Research Letters, 2020
A Co25.1Cr18.8Fe23.3Ni22.6Ta8.5Al1.7 (at. %) eutectic high-entropy alloy (EHEA) consisting of face-centered-cubic (FCC) and C14 Laves phases was produced by powder metallurgy. The EHEA shows an equiaxed morphology that is different from eutectic lamellar
Liuliu Han, Xiandong Xu, Zhiming Li, Bin Liu, C. T. Liu, Yong Liu   +5 more
doaj   +1 more source

Advances in Electroactive Liquid Crystal Elastomers for Intelligent Robotics and Electronics

Advanced Robotics Research, EarlyView.
Electroactive liquid crystal elastomers (eLCEs) integrate molecular anisotropy with electrical functionality to enable programmable actuation and reconfigurable electronics. This review classifies eLCEs into robotic actuators and adaptive electronics, summarizes key actuation mechanisms, and highlights fabrication strategies that bridge materials to ...
Kavita Ramesh Rathod, Sena Chon, Jae Hyuk Hwang, Sung Hyuk Park, Woohwa Lee, Joonmyung Choi, Shi Hyeong Kim, Seung Hwan Ko, Changsoon Choi, Seon Jeong Kim, Dong‐Gyun Kim, Habeom Lee, Kyung Gook Cho, Woon‐Hong Yeo, Hyun Kim   +14 more
wiley   +1 more source

Microstructure and properties of novel CoCrFeNiTax eutectic high-entropy alloys

, 2018
Available online 8 November 2017Eutectic high-entropy alloys are potential replacements of structural alloys, due to their microstructure and properties.
Zonghan Xie, Fang, F., Wenyi Huo, Jianqing Jiang, Huo, W., Jiang, J., Xie, Z., Feng Fang, Xuefeng Zhou, Hui Zhou, Zhou, H., Zhou, X.   +11 more
core   +1 more source

Effects of Nb content on the microstructure and properties of CoCrFeMnNiNbx high-entropy alloy coatings by laser cladding

Journal of Materials Research and Technology
CoCrFeMnNiNbx (x = 0, 0.25, 0.5, 0.75, and 1.0) high-entropy alloy coatings were prepared on the AISI 1045 steel substrate surface by laser cladding to explore the effects of different Nb content on the microstructure, microhardness, wear resistance, and
Meiyan Feng, Tianxiang Lin, Guofu Lian, Changrong Chen, Xu Huang   +4 more
doaj   +1 more source

Synthesis and Characterization of AlCoCrFeNiNb_x High-Entropy Alloy Coatings by Laser Cladding

Crystals, 2019
AlCoCrFeNiNbx (x in molar ratio x = 0, 0.25, 0.5, 0.75, and 1.0) high-entropy alloy (HEA) coatings were manufactured on 304 stainless steel by laser cladding.
Hui Jiang, Kaiming Han, Dayan Li, Zhiqiang Cao   +3 more
doaj   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source