High temperature corrosion behavior of Cu–20Co–30Cr alloys with different grain size
Source abstract
Abstract
Abstract The corrosion behavior of Cu–20Co–30Cr alloys with different grain size was investigated at 700–900 °C in 0.1 MPa pure oxygen. The corrosion rates of fine-grained MACu–20Co–30Cr alloy are significantly lower than those of coarse-grained PMCu–20Co–30Cr alloy. PMCu–20Co–30Cr alloy forms the external scales of Cu oxides followed by an internal oxidation region containing alloy and a mixture of Cu, Co and Cr oxides as well as their complex oxides. MACu–20Co–30Cr alloy forms the continuous scales of chromia and a Cr-depleted layer occurs beneath the scales. The grain refinement is helpful to form the continuous scales of chromia in a Cu–Co–Cr alloy.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Advanced materials and composites · High Entropy Alloys Studies
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References (30)
Show source-provided references
1. Kofstad · 1988
2. Sims · 1987
3. Types of reaction in the oxidation of alloys
4. Effect of an Al2O3 coating on the oxidation process of a γ-TiAl phase based alloy10.1016/j.corsci.2012.06.009 ↗
5. Predicting the depletion of chromium in two high temperature Ni alloys10.1016/j.corsci.2012.11.040 ↗
6. The high-temperature oxidation of bulk nanocrystalline 304 stainless steel in air10.1016/j.corsci.2013.03.008 ↗
7. High temperature oxidation of γ/γ′-strengthened Co-base superalloys10.1016/j.corsci.2011.02.033 ↗
8. Oxidation kinetics of a Ni–Cu based cermet at high temperature10.1016/j.corsci.2012.11.007 ↗
9. Experimental and numerical study of the effects of a nanocrystallisation treatment on high-temperature oxidation of a zirconium alloy10.1016/j.corsci.2012.03.033 ↗
10. The possible scaling modes in the high-temperature oxidation of two-phase binary alloys. Part II: High oxidant pressures10.1007/BF01046758 ↗
11. The air oxidation of two-phase Co–Cu alloys at 600–800°C10.1016/S0010-938X(99)00115-8 ↗
12. The air oxidation of two-phase Cu–Cr alloys at 700–900°C10.1007/BF02153456 ↗
13. Microstructual effects on the high temperature oxidation of two-phase Cu–Cr alloys in 1 atm O210.1016/S0010-938X(02)00141-5 ↗
14. Anomalous behavior of the internal oxidation of dilute Cu–Ni alloys under 1atm O2 at 900°C10.1007/s11085-011-9232-z ↗
15. High temperature scaling of two-phase Fe–Cu alloys under low oxygen pressure10.1016/S0010-938X(99)00051-7 ↗
16. Transitions between different oxidation modes of binary Cu–Zn alloys in 0.1MPa O2 at 1073K10.1007/s11085-008-9098-x ↗
17. Criteria for the formation of protective Al2O3 scales on Fe–Al and Fe–Cr–Al alloys10.1016/j.corsci.2005.01.012 ↗
18. The third-element effect in the oxidation of Ni–xCr–7Al (x=0, 5, 10, 15at.%) alloys in 1 atm O2 at 900–1000°C10.1016/j.corsci.2006.03.008 ↗
19. The internal oxidation of ternary alloys. VIII: the transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures10.1007/s11085-006-9022-1 ↗
20. High temperature scaling of Ni–xSi–10at.% Al alloys in 1atm of pure O210.1016/j.corsci.2006.08.011 ↗
21. High-temperature scaling of Cu–Al and Cu–Cr–Al alloys. An example of a non-classical third-element effect10.1007/s11085-006-9012-3 ↗
22. The nature of the third-element effect in the oxidation of Fe–xCr–3at.% Al alloys in 1 atm O2 at 1000°C10.1016/j.corsci.2007.06.019 ↗
23. The effect of Si additions on the high temperature oxidation of a ternary Ni–10Cr–4Al alloy in 1atm O2 at 1100°C10.1016/j.corsci.2008.10.023 ↗
24. The oxidation of two ternary Cu–Ni–Cr alloys at 700–800°C under high oxygen pressures10.1023/A:1010376812471 ↗
25. Oxidation of the three-phase alloy Cu–Ni–20Cr at 973–1073K in 101kPa O210.1515/HTMP.2001.20.5-6.377 ↗
26. Oxidation of two three-phase Cu–30Ni–Cr lloys at 700–800°C in 1atm of pure oxygen10.1016/j.msea.2006.03.052 ↗
27. Villars · 1997
28. On the role of dislocations in bulk diffusion10.1016/0001-6160(57)90127-X ↗
29. K. Kosuge, Nagai, in: Proceedings of 2000 powder metallurgy world Congress, Japan Society of Powder and Powder Metallurgy, Kyoto, 2000.
30. Nanocrystalline materials10.1016/0921-5093(89)90083-X ↗