Oxidation behavior
Effect of Pt and Al content on the long-term, high temperature oxidation behavior and interdiffusion of a Pt-modified aluminide coating deposited on Ni-base superalloys
... the oxidation behavior and interdiffusion of the industrial NiPtAl coating RT22 deposited on SCB and IN792 Ni-base ...Isothermal oxidation tests for 100 h and long-term cyclic ...
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M5<sub>Framatome</sub> cladding high temperature oxidation behavior during simulated LOCA transients
... P. Barberis, C. Ly Framatome/CRC, Avenue Paul Girod, 73400 Ugine, France R. Zino Framatome, 10 rue Juliette Récamier, 69456 Lyon, France Presently at École des Mines de Saint-Etienne, 158 Cours Fauriel, 42000 ...
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Effect of H2O and CO2 on the Oxidation Behavior and Durability at High Temperature of ODS-FeCrAl
... cyclic oxidation testing at 1,200 °C conducted in O 2 , and air ? 10 % H 2 O demonstrated a detrimental effect of H 2 O on ODS FeCrAl oxidation resistance, with higher cyclic oxidation rates and ...
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Effect of H2O and CO2 on the Oxidation Behavior and Durability at High Temperature of ODS-FeCrAl
... the oxidation kinetics, d is the thickness of the specimen, q is the alloy density, C 0 is the initial Al content (in wt%), C b is the Al content at the onset of breakaway oxidation and t b is the time to ...
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Effect of chromium grain size and morphology on the HT oxidation behavior of chromium coated Zr based alloys
... HT oxidation behavior, thus inducing: - Overall, higher resistance to HT oxydation - Significant delay in the oxygen ingress into the Zr based substrate • On-going: complementary EBSD, ...
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Oxidation behavior at moderate temperature under dry and wet air of phenolic resin-derived carbon
... Analyses; Oxidation behavior; Reaction Kinetics; Structure Introduction The general oxidation mechanism of carbon materials in air has been investigated for many ...the oxidation rate of ...
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Substrate Effect on the High Temperature Oxidation Behavior of a Pt-modified Aluminide Coating. Part II: Long-term Cyclic-oxidation Tests at 1,050 C
... cyclic-oxidation behavior at 1,050 C of RT22 industrial coating deposited on three Ni-base superalloys (CMSX-4, SCB, and ...Cyclic- oxidation tests at 1,050 C were performed for up to 58 cycles of ...
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Substrate Effect on the High Temperature Oxidation Behavior of a Pt-modified Aluminide Coating. Part II: Long-term Cyclic-oxidation Tests at 1,050 C
... cyclic-oxidation behavior at 1,050 C of RT22 industrial coating deposited on three Ni-base superalloys (CMSX-4, SCB, and ...Cyclic- oxidation tests at 1,050 C were performed for up to 58 cycles of ...
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Characterization of ferritic stainless steels as metallic interconnects for intermediate temperature SOFCs based on oxidation behavior and area specific resistance
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Characterization of ferritic stainless steels as metallic interconnects for intermediate temperature SOFCs based ...
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The oxidation behavior of TBC with cold spray CoNiCrAlY bond coat
... the oxidation performance of TBCs with a ...topcoat. Oxidation behavior of the TBCs was evaluated by examining the coating microstructural evolution, TGO growth behavior, and crack propagation ...
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Substrate Effect on the High-Temperature Oxidation Behavior of a Pt-Modified Aluminide Coating. Part I: Influence of the Initial Chemical Composition of the Coating Surface
... the oxidation behavior of the industrial NiPtAl coating RT22 TM was investigated by studying the isothermal and cyclic-oxidation behavior of this coating deposited on three different Ni-base ...
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Effect of Cycle Frequency on High Temperature Oxidation Behavior of Alumina-forming Coatings Used for Industrial Gas Turbine Blades
... Materials and Experimental Procedures Materials. Three Ni-base superalloys were used as substrates: single crystal alloys CMSX- 4 TM and SCB444 TM (developed in the framework of an European program [8]) and polycrystal ...
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Cyclic Oxidation Behavior of TBC Systems with a Pt-Rich γ-Ni+γ′-Ni3Al Bond-Coating Made by SPS
... Table 2. A thin layer of the reactive element Hf, with or without an additional Cu layer, was deposited on the substrate before BC manufacturing. The Hf and Cu films were respectively 100 and 200 nm thick and were ...
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Alternative dissolution and oxidation behavior of 316L(N) steel at 550°c in liquid sodium containing low concentration of oxygen
... that oxidation may occur during transient or alternate chemical conditions in heat transfer systems because of alternate conditions varying with coolant chemistry and materials surface layer evolutions with ...
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Cyclic Oxidation Behavior of TBC Systems with a Pt-Rich γ-Ni+γ′-Ni3Al Bond-Coating Made by SPS
... Thermal Cycling and Characterization All TBCs were tested under high temperature cyclic oxidation in air. A cycle was composed of a 1 h dwell at 1,100 °C including a rapid heating followed by a cooling period of ...
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Assessing the Oxidation Behavior of EC:DMC Based Electrolyte on Non- Catalytically Active Surface
... Strikingly, at 5.4 V, almost no current evolution is observed during 100 scans. These observations clearly indicate that while a CEI film is formed starting at 4.5 V, this film is only passivating for potentials above 4.8 ...
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A preliminary study of the oxidation behavior of TBC with cold spray CoNiCrAlY bond coat
... It can also be seen that both HVOF- and CGDS- CoNiCrAlYs had higher TGO growth rates than the APS-CoNiCrAlY at the very beginning of the thermal exposure; however, the latter exhibited an accelerated TGO growth after 400 ...
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Thermal oxidation of clay-nanoreinforced polypropylene
... 4.3. Oxidation controlled by diffusion When the oxidation process is controlled by oxygen diffusion, oxidation rate and oxygen diffusion competition leads to an oxidation pro file ...words, ...
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CO oxidation over nonstoichiometric nickel manganite spinels
... of oxygen. By integrating the CO 2 transient response ob- tained for the prereduced mixed oxide NiMn 2 3 δ/4 O 4+δ in Fig. 12 (without considering the background production due to both oxygen traces in the feed and the ...
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Degradation of paracetamol by catalytic wet air oxidation and sequential adsorption - Catalytic wet air oxidation on activated carbons
... 4. Conclusions A sequential adsorption-batch CWAO process was investigated for the treatment of a paracetamol solution. Three activated carbons were compared both as adsorbents and catalysts of CWAO for their own ...
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