• 文献标题:   Synergistic Effects of Carbon Nanotube (CNT) and Reduced Graphene Oxide (RGO) on Mechanical and Thermal Properties of ZK61 Alloy
  • 文献类型:   Article, Early Access
  • 作  者:   MENG FJ, DU WB, DING N, SUN J, DU X, LIU K, LI SB
  • 作者关键词:   mg matrix composite, carbon nanotube, reduced graphene oxide, mechanical performance, thermal conductivity
  • 出版物名称:   ACTA METALLURGICA SINICAENGLISH LETTERS
  • ISSN:   1006-7191 EI 2194-1289
  • 通讯作者地址:  
  • 被引频次:   1
  • DOI:   10.1007/s40195-023-01534-7 EA FEB 2023
  • 出版年:   2023

▎ 摘  要

The hybrid of carbon nanotube (CNT) and reduced graphene oxide (RGO) reinforced ZK61 composite was fabricated by a hot extrusion process. Compared with the raw ZK61 alloy and single-reinforced composites, the hybrid-reinforced by RGO + CNT complex exhibited significant enhancements both in mechanical and thermal performance. By adjusting the proportion of RGO and CNT in ZK61 alloy, the obtained optimum ZK61/(0.06 wt% RGO + 0.54 wt% CNT) composite exhibited increase of 25.4% in yield strength, 26.5% in ultimate tensile strength, 104% in failure strain and 30.4% in thermal conductivity, respectively, in comparison with ZK61 alloy. The superior properties of the nano-hybrid composite are attributed to the synergetic effects of RGO and CNT, leading to a uniform dispersion and integrated structure as well as the enhanced interfacial bonding with matrix. The strengthening ability of RGO and CNT was calculated to quantify their individual contribution to the improvement in mechanical and thermal properties of the ZK61 matrix composite. The RGO + CNT hybrids provide a promising way to develop Mg matrix composites with impressive performances.