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Author:

Zhang, Xiaojun (Zhang, Xiaojun.) | Gao, Kunyuan (Gao, Kunyuan.) (Scholars:高坤元) | Hu, Xiuhua (Hu, Xiuhua.) | Ding, Yusheng (Ding, Yusheng.) | Wang, Guozhan (Wang, Guozhan.) | Wu, Xiaolan (Wu, Xiaolan.) | Nie, Zuoren (Nie, Zuoren.) (Scholars:聂祚仁)

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EI Scopus

Abstract:

The composition and microstructure of intermetallic compounds (IMC) at the interface of aluminum (AA4343)-stainless steel (SUS316) were studied upon annealing at 550 C for 1h to 20h and at 610 C for 15min to 10h by means of optical microscope(OM), scanning electron microscope (SEM) with energy dispersive system(EDS) and transmission Electron Microscopy (TEM). The results showed that the IMC was of 4.3μm to 36.1 μm thick during heat treatment at 550 C for 1h to 20h, and the IMC contained Al-Fe-Si-Cr-Ni-Mo and Al-Fe-Si-Ni. During annealing at 610 C for 15min to 5h, the thickness of IMC was 31.2 μm to 208 μm, while the IMC were mainly of η-Fe2Al5 and τ10-Al4Fe1.7Si at 550 C for 10h. As the annealing time extended to 10h, natural delamination occurred at the interface between the aluminum alloy layer and IMC layer. The growth kinetics analysis showed that the relationship between the thickness of IMC 'X' and time 't' followed the relational equation X=(kt)n . For AA4343(solid)-SUS316(solid), n was 1/2, and the growth constant k = 1.9×10-13 m2 /s at annealing temperature of 550 C. When the temperature was 610C, AA4343-SUS316 was a liquid-solid contact reaction, n was 1, the growth constant k=1.45×10-8 m/s. © 2020 Trans Tech Publications Ltd, Switzerland.

Keyword:

Scanning electron microscopy Aluminum coated steel Intermetallics Growth kinetics Annealing Silicon High resolution transmission electron microscopy Aluminum alloys

Author Community:

  • [ 1 ] [Zhang, Xiaojun]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Gao, Kunyuan]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Hu, Xiuhua]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Ding, Yusheng]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Wang, Guozhan]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Wu, Xiaolan]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Nie, Zuoren]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing; 100124, China

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Source :

ISSN: 0255-5476

Year: 2020

Volume: 993 MSF

Page: 447-456

Language: English

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: 9

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