Advancing heat-tolerant composites with coherent ladder interfaces via constructing extremely fine nanolamellar solute-twining architectures  

作　　者：Xue Li Zhenying Huang Hongjie Wang Weici Zhuang Min Zhang Wenqiang Hu Qun Yu Youbo Wu Yang Zhou 

机构地区：[1]Institute of Materials Science and Engineering,School of Mechanical and Electronic Control Engineering,Beijing Jiaotong University,Beijing 100044,China [2]Tangshan Research Institute of Beijing Jiaotong University,Tangshan 063000,China

出　　处：《Journal of Materials Science & Technology》2024年第19期188-198,共11页材料科学技术（英文版）

基　　金：supported financially by the Beijing Natural Science Foundation(No.2212046);the National Natural Science Foundation of China(Nos.51871011 and 51572017);the Research Fund for Commercialization of Major Scientific and Technological Achievements of Hebei Province(No.22281006Z);the Beijing Government Funds for the Constructive Project of Central Universities;The financial supports by them are greatly appreciated.

摘　　要：The interface of ceramic particles and metal matrixes extremely impacts the mechanical properties of particle-reinforced metal matrix composites,especially at elevated temperatures.We provide a strategy for constructing extremely fine,in situ-formed coherent nanolamellar solute-twining architectures in a supersaturated MAX/Ni composite to modify the interface,aiming for higher strengths.Through this unique architecture,a coherent interface of ceramic particles and a metal matrix is formed,with an enormous coherent interface known as a ladder interface.The tensile strength at 1023 K is approximately 1 GPa by forming a thermally stable Schwarz crystal structure(<3 nm).Developing heat-tolerant composites using this architecture may enhance the materials’available properties for high-temperature applications.

关 键 词：Modified coherent interfaces Extremely fine nanograins-nanotwins Nanolamellar architectures Thermal stability Particle-reinforced nickel matrix composites MAX phases 

分 类 号：TB383[一般工业技术—材料科学与工程]