Microstructure and properties of hot isostatic pressed/laser remelted Fe3 Al/Cr3 C2 composites
Journal article, 2024
The effects of Cr3C2 content on the microstructure, hardness and wear resistance of Fe3Al/Cr3C2 composites by hot isostatic pressing and laser remelting were studied. The results showed that, the carbides in the hot isostatic pressed (HIPed) Fe3Al/Cr3C2 composites are in large block or irregular shape, while the in situ formed carbides in the laser remelted (LRed) Fe3Al/Cr3C2 composites are small and dispersed. With the increase of Cr3C2 content, the microhardness of HIPed and LRed Fe3Al/Cr3C2 composites gradually increased, and the microhardness of LRed Fe3Al/Cr3C2 composites is higher than that of HIPed ones. With the increase of Cr3C2 content, the wear resistance of HIPed Fe3Al/Cr3C2 composites increased gradually, while the wear resistance of LRed Fe3Al/Cr3C2 composites first increases and then decreases, and the best wear resistance is obtained when the volume fraction of Cr3C2 is 18%.
Fe Al/Cr C 3 3 2
Microstructure
Wear resistance
Laser remelting
Hot isostatic pressing
Author
Lin Shuangping
Ltd.
China Iron and Steel Research Institute Group
Zhao Lin
China Iron and Steel Research Institute Group
Li Dongling
China Iron and Steel Research Institute Group
Ltd.
Zhou Qingqing
China Iron and Steel Research Institute Group
Ltd.
Zheng Kai
Ltd.
China Iron and Steel Research Institute Group
Changhai Li
Surface and Microstructure Engineering
Zhao Lei
China Iron and Steel Research Institute Group
Ltd.
Shen Xuejing
China Iron and Steel Research Institute Group
Ltd.
Jia Yunhai
Ltd.
China Iron and Steel Research Institute Group
Wang Haizhou
China Iron and Steel Research Institute Group
University of Science and Technology Beijing
Ltd.
Materials Letters
0167-577X (ISSN) 18734979 (eISSN)
Vol. 372 137070Subject Categories
Manufacturing, Surface and Joining Technology
Other Materials Engineering
Composite Science and Engineering
DOI
10.1016/j.matlet.2024.137070