Results 41 to 50 of about 18,390 (212)
Rare Metals, EarlyView.ABSTRACT Vanadium oxides are deemed competitive cathode candidates for aqueous zinc‐ion batteries (AZIBs), benefited from their high theoretical capacity and multiple crystalline structures. However, the sluggish reaction kinetics, poor reversibility, and high solubility have hindered the practical application.
Xiaoyu Fan +7 more
wiley +1 more source
Fenmo yejin jishu, 2022 表面改性是使材料表面获得与其基体不同微观组织的处理技术，能够有效调控材料表面的力学性能。因此，将表面改性方法应用于改善硬质合金表面的微观组织，能够有效避免均匀结构硬质合金显微结构–宏观性能的局限性，为制备高性能非均匀结构硬质合金提供技术方案。由于硬质合金表面改性研究的起步较晚且表面改性方法较多，表面改性方法的选取及其改性机理依然面临思路不清的问题。本文总结了化学表面改性梯度硬质合金的材料体系、制备机理、微观结构及力学性能，概括了物理表面改性得到的硬质合金涂层方法与功能 ...
陈健 +4 more
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Rare Metals, EarlyView.ABSTRACT Thermodynamic prediction‐driven phase‐field kinetic simulation, with experimental verification, is utilized to explore the high‐performance cobalt–nickel based (CoNi‐based) superalloys. The roles of aluminum (Al) in microstructural evolution and precipitation kinetics of ordered L12‐γ′ strengthened Co–Ni–xAl superalloys are revealed. The alloy
Kun‐Ning Niu +6 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT With the rapid development of the energy storage industry, aqueous zinc‐ion batteries (AZIBs) have attracted considerable attention in the field of energy storage because of their inherent advantages, thereby emerging as a promising research direction with significant potential.
Lingjiao Fu +8 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2017 钢框架短肢组合钢板剪力墙结构是一种适用于小高层的建筑新型框架剪力墙结构,它具有良好的抗震性能。以影响结构抗震性能的内嵌钢板宽厚比、面外墙板约束及钢板边界约束等4个因素进行了分析。通过总结各影响因素,进行了结构单元动力响应的数值模拟分析,提出了组合钢板剪力墙与钢框架的合理抗侧刚度比及合理的内嵌钢板剪力墙宽厚比。优化后的结构模型试验证明:当钢框架短肢组合钢板剪力墙结构中各构件在整个结构中达到最优设计,同时抗侧刚度比在0.420.45之间时,结构整体具有较高的水平承载能力,良好的抗震和耗能能力 ...
郭震, 朱飞, 王永超, 常鸿飞
doaj
Multi‐Functional S‐HA/ASTA NPs Coating on Biodegradable ZE21B Alloy for Cerebrovascular Applications
Rare Metals, EarlyView.ABSTRACT Magnesium (Mg) and its alloys have attracted extensive attention of researchers in the field of cerebrovascular implants due to their good mechanical properties and biosafety. However, rapid degradation and delayed endothelialization pose challenges. To address these issues, this study introduces a multifunctional composite coating.
Aqeela Yasin +4 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Internal oxidation has been identified as an effective method for enhancing the strength of AgMg alloys. However, the concurrent occurrence of embrittlement remains inadequately understood, thus limiting their broader application. This study investigates the oxidation behavior of AgMg alloys with Mg concentrations ranging from 1 at% to 7 at ...
Hai‐Cheng Zhu +12 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT A major challenge in fabricating eutectic NiTiNb alloys is the incomplete melting of Nb due to its much higher melting point than the NiTi matrix. In this work, a novel electron‐beam freeform additive manufacturing strategy is developed to eliminate unmelted Nb particles and achieve a fully eutectic structure through independent dual‐wire ...
Qing‐Da Zhang +9 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2019 为了研究薄壁组合型箱体剪力墙-柱体系模拟预拼装,进行了某大型塔楼19层第9节柱和钢板剪力墙部分构件(共18根)的预拼装模拟。试验详细分析了预拼装方案的可行性及准确性,在此基础上结合钢结构安装顺序,构件主次关系和安装基准面,介绍了结构形式复杂的薄壁组合型预拼装模拟思路。研究结果表明,三维激光扫描仪可大幅提高测量自身精度,让控制点繁多的薄壁组合型实测模型与实测构件最大程度的接近;采用的预拼装模拟实现了薄壁组合型结构的检测过程及拟合结果可视化;预拼装模拟在薄壁组合型箱体剪力墙 ...
何敏杰 +4 more
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Rare Metals, EarlyView.ABSTRACT This study developed a FeSiAl@LMPGP composite material to address the demand for low‐frequency electromagnetic absorption. Through controllable heat treatment, FeSiAl particles and PbO nanoparticles self‐assembled into a high‐density Mott–Schottky heterointerface structure, which exhibited a significant built‐in electric field (BIEF) effect ...
Yuqi Wang +5 more
wiley +1 more source