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Fenmo yejin jishu, 2022 随着电子器件芯片功率的不断提高，对散热材料的热物理性能提出了更高的要求。将高导热、低膨胀的增强相和高导热的金属进行复合得到的金属基复合材料，能够兼顾高的热导率和可调控的热膨胀系数，是理想的散热材料。本文对以Si、SiCp、金刚石、鳞片石墨为增强相的铜基及铝基复合材料的研究进展进行了总结，并就金属基复合材料目前存在的问题及未来的研究方向进行了展望。
陈贞睿 +5 more
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Gongye shui chuli, 2021 重金属大多有毒且不能生物降解，重金属污染给人类健康和生态系统造成威胁，因此一直是水体污染治理关注的重点。近年来，聚合物因其较大的比表面积、可调节的表面性质、完善的机械性能、可控的孔径分布以及温和条件下可循环再生等特点，被广泛应用于水中重金属污染的处理。而其与金属、氧化物、石墨烯等材料复合而成的聚合物基复合材料，往往比单一聚合物具有更好的物理、化学、机械性能和相容性，在废水处理方面具有广阔的应用前景。综述了近年来聚合物/金属复合材料、聚合物/聚合物复合材料、聚合物/氧化物复合材料和聚合物 ...
秦笑梅, 杨世豪, 王恒栋
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Gongye shui chuli, 2023 采用原位沉淀法制备磁性海藻生物炭复合材料，考察复合材料对水中偶氮染料甲基橙的吸附/氧化去除效果，利用扫描电子显微镜、透射电子显微镜、傅里叶交换红外光谱、N2吸附脱附仪、X射线衍射仪和磁强计等对复合材料进行表征，考察材料投加量、H2O2投加量、pH和温度等条件对去除效果的影响。实验结果表明，复合材料孔隙发达，比表面积达到388.56 m2/g，具有超顺磁性，磁化强度为31.38 emu/g；复合材料去除甲基橙的最佳条件：材料投加量为5 mg，H2O2投加量为50 μL，初始pH为3，温度为35 ...
徐嘉 +7 more
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Atomically Thin Sn:GaN‐GaN Homojunction for High‐Sensitivity β‐Ray Detection
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Gallium nitride (GaN), a third‐generation wide‐bandgap semiconductor renowned for its superior radiation tolerance, holds promise for advanced β‐ray detection. Herein, a scalable liquid metal‐assisted in situ synthesis method is presented to fabricate Sn‐doped GaN homojunctions via gallium oxide printing followed by ammonolysis, enabling ...
Weiqing Liu +8 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Directed energy deposition (DED) is an effective method to process complex components with high efficiency, owing to its significant advantage of material saving and features of microarea metallurgy and rapid solidification. This study presents a nano‐Ta‐optimized Ti‐45Al‐8Nb (at%)‐based alloy synthesized via DED. The prepared TiAl‐based alloy
Yi Song +8 more
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Dianci bileiqi, 2021 复合材料杆塔对减少输电线路走廊、提高线路运行可靠性有着积极作用。为深入研究复合材料杆塔的外绝缘特性,实现在220 k V交流输电线路的大规模应用和运行维护,采用220 kV复合材料杆塔真型试品,通过在淋雨的环境中开展了不同风速条件下模拟系统电压、操作过电压和雷电过电压对试品进行工频闪络、冲击电压试验,得到了复合材料杆塔风雨环境下闪络放电的特点,丰富了复合材料杆塔的外绝缘特性数据,可为下一步我国复合材料杆塔大规模运用提供一定的技术参考。
罗淞 +6 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT VO2 is a promising thermochromic material, but it is still limited by low transparency, weak solar modulation, and poor stability. Here, we develop a coordination‐compound‐derived strategy to construct a hierarchical BiVO4/VO2@BiVO4 film with a core–shell@nanosheet structure.
Huiyan Xu +11 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song +4 more
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Fenmo yejin jishu, 2022 采用粉末冶金技术制备了SiCp/Al复合材料，探讨了SiC颗粒质量分数对SiCp/Al复合材料密度、布氏硬度、微观形貌以及摩擦磨损性能的影响。结果表明，SiC颗粒表面形成了少量可提高界面结合性的Al4C3化合物。随着SiC质量分数增加，SiCp/Al复合材料的密度没有明显的变化，当SiC质量分数增加至25%时，密度明显下降。SiCp/Al复合材料的布氏硬度随着SiC质量分数的增加呈先增长后减小的变化趋势。当SiC质量分数为20%时，材料的硬度最优（HBW 114），平均摩擦系数达到最大值（0.3425），
徐保海, 刘联军, 车明超, 李利
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han +5 more
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