铜及其合金具有高导电性、高导热性、优良的力学性能和耐腐蚀性能,是应用广泛的工业材料之一,也是全世界众多机构及学者研究的主要对象之一。Web of Science(WoS)Core Collection数据库2023年发表并收录铜及铜合金领域的论文近8000篇,...铜及其合金具有高导电性、高导热性、优良的力学性能和耐腐蚀性能,是应用广泛的工业材料之一,也是全世界众多机构及学者研究的主要对象之一。Web of Science(WoS)Core Collection数据库2023年发表并收录铜及铜合金领域的论文近8000篇,文献计量学分析表明,铜及铜合金研究的传统方向依然受到很大关注,如铜合金的微观组织、物理化学性能、腐蚀性能等,而铜基功能材料更是当前铜合金研究的热点。中国科学院(>300篇论文)、中南大学、俄罗斯科学院、中国科学院大学、沙特王国大学、北京科技大学(>100篇论文)、中国科学技术大学、昆明理工大学、上海交通大学、哈尔滨工业大学等机构在铜合金研究与开发方面做出了显著贡献。本综述结合统计数据对2023年铜及铜合金材料的研究现状进行概述,介绍了铜冶炼和铜材料制备的基本方法,然后从5方面论述了铜材料的应用:1)铜合金结构材料;2)铜基催化材料;3)铜基电子材料;4)铜基再生材料;5)铜基储能材料。最后,对铜及铜合金材料的未来发展方向进行展望,并提出未来研究方向建议。展开更多
The Al0.3CoCrFeNi high-entropy alloy(HEA)particles reinforced Cu matrix composites(CMCs)were fabricated by mechanical alloying and sintering.Transition layer structure was obtained by multi-step ball milling to invest...The Al0.3CoCrFeNi high-entropy alloy(HEA)particles reinforced Cu matrix composites(CMCs)were fabricated by mechanical alloying and sintering.Transition layer structure was obtained by multi-step ball milling to investigate the related influence on element diffusion behavior and wear properties of CMCs.The results indicate that a new Cu transition layer is generated,and the thickness is about 5μm.Cr element diffuses into the interface via the transition layer,which forms the complex oxide.Because of the structure of Cu transition layer,the diffusion rates of Ni,Co and Fe increase,especially the Ni element.The wear resistance of CMCs is improved by 30%,which is due to the improvement of interface bonding strength,compared with the CMCs without transition layer.This method is applicable to the development of advanced HEA reinforced metallic matrix composites.展开更多
文摘铜及其合金具有高导电性、高导热性、优良的力学性能和耐腐蚀性能,是应用广泛的工业材料之一,也是全世界众多机构及学者研究的主要对象之一。Web of Science(WoS)Core Collection数据库2023年发表并收录铜及铜合金领域的论文近8000篇,文献计量学分析表明,铜及铜合金研究的传统方向依然受到很大关注,如铜合金的微观组织、物理化学性能、腐蚀性能等,而铜基功能材料更是当前铜合金研究的热点。中国科学院(>300篇论文)、中南大学、俄罗斯科学院、中国科学院大学、沙特王国大学、北京科技大学(>100篇论文)、中国科学技术大学、昆明理工大学、上海交通大学、哈尔滨工业大学等机构在铜合金研究与开发方面做出了显著贡献。本综述结合统计数据对2023年铜及铜合金材料的研究现状进行概述,介绍了铜冶炼和铜材料制备的基本方法,然后从5方面论述了铜材料的应用:1)铜合金结构材料;2)铜基催化材料;3)铜基电子材料;4)铜基再生材料;5)铜基储能材料。最后,对铜及铜合金材料的未来发展方向进行展望,并提出未来研究方向建议。
基金Projects(51701061,51705129) supported by the National Natural Science Foundation of ChinaProject(17391001D) supported by the Department of Science and Technology of Hebei Province,ChinaProject(2017-Z02) supported by the State Key Lab of Advanced Metals and Materials,China
文摘The Al0.3CoCrFeNi high-entropy alloy(HEA)particles reinforced Cu matrix composites(CMCs)were fabricated by mechanical alloying and sintering.Transition layer structure was obtained by multi-step ball milling to investigate the related influence on element diffusion behavior and wear properties of CMCs.The results indicate that a new Cu transition layer is generated,and the thickness is about 5μm.Cr element diffuses into the interface via the transition layer,which forms the complex oxide.Because of the structure of Cu transition layer,the diffusion rates of Ni,Co and Fe increase,especially the Ni element.The wear resistance of CMCs is improved by 30%,which is due to the improvement of interface bonding strength,compared with the CMCs without transition layer.This method is applicable to the development of advanced HEA reinforced metallic matrix composites.
