Acta Metallurgica Sinica (English Letters) ›› 2016, Vol. 29 ›› Issue (8): 774-781.DOI: 10.1007/s40195-016-0440-z
• Orginal Article • Previous Articles Next Articles
Jin Gao1,Fa-rong Wan1(),Guo-ping Cao2,Kumar Sridharan2,Todd Allen2
Received:
2016-03-21
Online:
2016-08-10
Published:
2016-08-10
Jin Gao,Fa-rong Wan,Guo-ping Cao,Kumar Sridharan,Todd Allen. Analysis of Oxides Formed on the Surface of the Alloy 690 in Hydrogenated Supercritical Water[J]. Acta Metallurgica Sinica (English Letters), 2016, 29(8): 774-781.
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Fig. 3 Oxides formed on the surface of the alloy 690 exposed to hydrogenated SCW at 400 °C for 1000 h: a STEM HAADF image; b high-resolution transmission electron microscopy (HRTEM) image for the large crystallite; c corresponding FFT of HRTEM image; d HRTEM image for both the inner and outer layers
Fig. 4 High-magnification images for the oxide/alloy interface region of alloy 690 exposed to hydrogenated SCW at 400 °C for 1000 h: a and b for the thick inner layer under the small NiO; c and d for the thin layer under the large NiFe2O4
Fig. 5 STEM image for the thick inner layer under granular NiO on the surface of the alloy 690 expose to hydrogenated SCW at 400 °C for 1000 h and corresponding selected-area diffraction patterns (SADPs)
Fig. 7 STEM images and EDX mapping a and profile b spanning oxide/alloy interface on the surface of the alloy 690 exposed to hydrogenated SCW at 400 °C for 1000 h
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