Journal of Inorganic Materials, Volume. 38, Issue 5, 544(2023)
Figures & Tables(13)
3. Surface microstructures of coatings after corrosion for 4 and 25 h
4. Cross-sectional microstructures of coatings after CMAS corrosion for 4 h
S2. Surface and cross-sectional microstructures of as-sprayed coatings
5. Cross-sectional microstructures of the X1-Gd2SiO5 coating after corrosion for 25 h
6. Schematic diagrams of different coatings under CMAS molten salt corrosion at 1400 ℃
Table 1. Technical parameters used for plasma spraying
View tableView in ArticleTable 1. Technical parameters used for plasma spraying
Parameter RE2SiO5 (RE=Gd, Y, Er) Primary Ar/(L·min-1) 43 Secondary H2/(L·min-1) 12 Carrier Ar/(L·min-1) 2.3 Spray distance/mm 230
Table 2. Chemical compositions of CMAS powders
View tableView in ArticleTable 2. Chemical compositions of CMAS powders
XRF/(%，in mol) CaO MgO AlO1.5 SiO2 CMAS 27.87 8.79 26.22 38.52
Table 3. EDS elemental compositions of the marked regions in
Fig. 3 View tableView in ArticleTable 3. EDS elemental compositions of the marked regions in
Fig. 3 EDS/ (%, in atom) Gd Y Er Si O Ca Al Mg Point 1 20.60 — — 19.62 51.73 8.02 — — Point 2 — 26.04 — 17.55 50.57 5.83 — — Point 3 — — 26.95 15.16 50.78 7.10 — — Point 4 — 14.03 — 5.72 52.27 4.01 20.31 3.66
Table 4. EDS elemental compositions of the marked regions in
Fig. 4 View tableView in ArticleTable 4. EDS elemental compositions of the marked regions in
Fig. 4 EDS/(%, in atom) Gd Y Er Si O Ca Al Mg Point 1 19.21 — —- 11.70 60.65 8.44 — — Point 2 1.16 — — 13.06 59.37 13.78 10.18 2.45 Point 3 — 15.29 — 16.00 61.82 6.89 — — Point 4 — 7.18 — 15.50 50.17 9.58 12.14 5.43 Point 5 — 0.96 — 13.56 59.62 13.03 10.40 2.42 Point 6 — — 20.27 12.11 61.12 6.50 — — Point 7 — — 8.70 10.95 59.15 8.09 10.95 4.65 Point 8 — — 0.92 3.29 58.74 19.61 3.29 2.07
Table 5. EDS elemental compositions of the marked regions in
Fig. 5 View tableView in ArticleTable 5. EDS elemental compositions of the marked regions in
Fig. 5 EDS/ (%, in atom) Gd Y Er Si O Ca Al Mg Point 1 24.48 — — 16.22 51.61 7.68 — — Point 2 1.05 — — 12.62 59.63 14.25 9.78 2.66 Point 3 — 26.70 — 15.78 50.12 7.40 — — Point 4 — 17.10 — 8.23 51.25 2.92 16.41 4.09 Point 5 — 0.94 — 14.23 57.36 13.94 11.98 1.54 Point 6 — — 28.80 12.77 52.22 6.22 — — Point 7 — — 7.12 13.05 49.26 7.08 18.26 5.24
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Dong FAN, Xin ZHONG, Yawen WANG, Zhenzhong ZHANG, Yaran NIU, Qilian LI, Le ZHANG, Xuebin ZHENG.
Paper Information
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Received: Sep. 13, 2022
Accepted: --
Published Online: Oct. 17, 2023
The Author Email: ZHONG Xin (zhongxin@mail.sic.ac.cn), ZHANG Zhenzhong (njutzhangzz@126.com)
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