合金相分离制备多孔金属材料的研究进展  

Research Progress in Preparation of Porous Metal Materials by Alloy Phase Separation

作　　者：由宝栋 朱明伟 杨鹏举 何杰[2,3] YOU Baodong;ZHU Mingwei;YANG Pengju;HE Jie(School of Materials Science and Engineering,Shenyang Aerospace University,Shenyang 110136,China;Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China;School of Materials Science and Engineering,University of Science and Technology of China,Shenyang 110016,China)

机构地区：[1]沈阳航空航天大学材料科学与工程学院,沈阳110136 [2]中国科学院金属研究所,沈阳110016 [3]中国科学技术大学材料科学与工程学院,沈阳110016

出　　处：《材料研究学报》2023年第8期561-570,共10页Chinese Journal of Materials Research

基　　金：国家自然科学基金(52174380,51974288);中国载人航天工程空间应用系统项目(KJZ-YY-NCL06);中国科学院科研仪器设备研制项目(YJKYYQ20210012)

摘　　要：总结了合金相分离方法制备多孔金属材料的最新研究进展。结合合金相分离机理,探讨了相分离过程中界面调幅分解和扩散耦合生长对多孔拓扑结构的形成过程的影响。阐述了相分离合金体系、成分变化和工艺参数对多孔结构的形貌特征、孔隙率以及韧带尺寸特征的影响规律。同时,结合其大比表面积和互联韧带等特征,阐述了相分离多孔金属材料的性能及其在催化、电解质电容器、生物医学等领域的应用前景。最后针对合金相分离制备多孔金属的研究发展趋势进行了展望。This review summarizes the recent research progress in the preparation of porous metal materials by alloy phase separation.Combined with the phase separation mechanism of the alloy,the formation mechanism of the porous structure during the phase separation process was discussed based on the interfacial spinodal decomposition and diffusion-coupled growth.The effect of phase-separated alloy system,composition change and process parameter on the characteristics such as morphology,porosity and ligament size of the porous structure were systematically analyzed.Furthermore,the properties of phase-separated porous metal materials and their application prospects in the fields of catalysis,electrolytic capacitors,and biomedicine are summarized due to their large specific surface area and interconnected ligaments.Finally,the research and development trend of the preparation of porous metals by alloy phase separation is proposed.

关 键 词：评述 金属材料 多孔金属 合金相分离 

分 类 号：TB383[一般工业技术—材料科学与工程]