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论文类型： 期刊论文

发表时间： 2021-01-10

发表刊物： JOURNAL OF ALLOYS AND COMPOUNDS

卷号： 847

ISSN号： 0925-8388

关键字： Micro-laminated composites; Amorphous ribbons; Vacuum hot pressing; Gradient multilayer structure; Mechanical properties

摘要： Iron-based amorphous alloy/Al micro-laminated composites with multilayer structure were first developed by a facile vacuum hot-pressing method. The results of microstructure and element analysis indicate that, the stacks were metallurgical bond and partially consumed to form intermetallic compounds FeAl3, exhibiting a very high degree of micro-structural design and control. The annealing-induced brittleness of the iron-based amorphous alloy was avoided and the brittle FeAl3 phase can be controlled without stimulating interface splitting. Furthermore, wide hardness gradient (30-1120 HV) and high flexural strength (264 MPa) were achieved. This potentially opens new perspectives for applications of amorphous alloys as large-scale structures. (C) 2020 Elsevier B.V. All rights reserved.