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Effect of Sc element on the growth, type and micromorphology of intermetallic compounds at the Al/Fe composite interface was studied by means of SEM, EDS and other methods. The results show that the cold-rolled composite Al/Fe composite plates produce continuous interfacial compounds after annealing at 475-640 °C for 1 h, and the change trend of intermetallic compound thickness at 560 °C and below is basically the same, but above 560 °C, the growth trend of intermetallic compounds at the interface of Sc-containing composite plates slows down significantly, and the thickness is greatly reduced. This indicates that the addition of Sc elements on the Al side does not completely inhibit the production of intermetallic compounds at the interface. At the same time, the addition of Sc elements does not change the type and distribution of interface compounds, which are FeAl3, Fe2Al5 and FeAl from Al side to Fe side. The Fe2Al5 phase at Fe side is finely jagged when annealed at 475 °C, but the whole morphology is very flat, however, it becomes coarse finger-like morphology and uneven when annealed at 580 °C. © 2024 Chinese Mechanical Engineering Society of Heat Treatment. All rights reserved.
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Heat Treatment of Metals
ISSN: 0254-6051
Year: 2024
Issue: 1
Volume: 49
Page: 84-90
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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