Hongda WANG, Qian FENG, Xiao YOU, Haijun ZHOU, Jianbao HU, Yanmei KAN, Xiaowu CHEN, Shaoming DONG. Microstructure and Corrosion Behavior of Brazed Joints of SiC/SiC Composites and Hastelloy N Alloy Using Cu-Ni Alloy [J]. Journal of Inorganic Materials, 2022, 37(4): 452
- Journal of Inorganic Materials
- Vol. 37, Issue 4, 452 (2022)
1. Schematic illustration of the sandwich-like structure of joint
2. SEM images of brazing joints obtained at (a) 1090, (b) 1110 ℃, (c) and (d) 1130 ℃, correspoding EDS analyses (atom fraction) (e) of the point in image (d)
3. Elemental distribution analyses by EDS of joint obtained at 1130 ℃
4. Gibbs free energy of formation of candidates calculated using HSC Chemistry 5.11 computer software and its associated databases
5. SEM image of microstructure and EDS line-scan analyses in SiC/SiC composites near joint obtained at 1150 ℃
6. XRD patterns of joints before and after corrosion
7. Appearance images and SEM images of microstructure of joints before and after corrosion at 800 ℃ for 100 h
8. Elemental distribution analyses by EDS of joint obtained at 1130 ℃ after corrosion at 800 ℃ for 100 h
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Table 1.
Content of main metal impurities in fluoride salts before and after corrosion (10-4% in mass)
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