Effects of Cr and Al Contents on the Preparation of SiC Fiber-Reinforced NiCrAl Alloy Matrix Composite

作     者：Haoqiang Zhang Xixi Niu Zhiliang Pei Nanlin Shi Jun Gong Chao Sun Haoqiang Zhang;Xixi Niu;Zhiliang Pei;Nanlin Shi;Jun Gong;Chao Sun

作者机构：Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Materials Science and EngineeringUniversity of Science and Technology of ChinaShenyang 110016China University of Chinese Academy of SciencesBeijing 100049China 

出 版 物：《Acta Metallurgica Sinica(English Letters)》 (金属学报（英文版）)

年 卷 期：2020年第33卷第10期

页      面：1416-1422页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：financially supported by the National Natural Science Foundation of China(No.51371170) 

主　　题：SiC fiber NiCrAl alloy Composite Recrystallization Plastic flow 

摘      要：In this work,the effects of Cr and Al contents on the preparation of SiC fiber-reinforced NiCrAl alloy matrix composites(SiCf/Ni-20Cr-5Al,SiCf/Ni-15Cr-5Al,SiCf/Ni-10Cr-5Al and SiCf/Ni-10Cr-3Al)were thoroughly *** composites were prepared by vacuum hot pressing process using matrix-coated *** was found that Cr solute atoms played a significant role in retarding the recrystallization of NiCrAl alloy matrix,and the Al elements in the form of γ -Ni3Al phase had a suppression effect on the plastic flow of the ***,the reduction in Cr and Al contents was conductive to the recrystallization and plastic flow of NiCrAl alloy matrix,thereby reduced the size and number of micro-voids in the *** addition,this work provides some guidance for designing and manufacturing reasonable SiC fiber-reinforced Ni alloy matrix composites.