High temperature corrosion
High Temperature Corrosion Test of a Zirconium alloy
... the high temperature over 1000ºC inside of α-Zr(O) ...room temperature after the high temperature oxidation are shown in the Figure ...the high temperature ...
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Corrosion fatigue testing: the combined effect of stress and high temperature corrosion
... a temperature of 25°C, led to the conclusion that of all the periods of a waveform, lengthening the stress application period up to 10 seconds had the greatest environmental effect and was attributed to corrosive ...
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High-Temperature Corrosion Chemistry in Oxy-Fuel Combustion
... High temperature corrosion (HTC) is a problem which influences the heat transfer surfaces in a ...a high melting point that favours ...steam temperature in the boiler is often lowered ...
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Influence of shot peening on high-temperature corrosion and corrosion-fatigue of nickel based superalloy 720Li
... High-temperature corrosion fatigue, a combination of corrosion with a fatigue cycle, is an emerging generic issue affecting power generation and aero gas turbine engines and has the potential ...
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High-Temperature Corrosion Behavior of Alloys in Gaseous Environments with Low-Oxygen and High-Sulfur Potentials
... common corrosion attack. Many high-temperature commercial processes, such as oil refining, coal gasification and fossil-fuel conversion, contain both sulfur and ...The high-temperature ...
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Investigation into high-temperature corrosion in a large-scale municipal waste-to-energy plant
... ABSTRACT High-temperature corrosion in the superheater of a large-scale waste-to-energy plant was ...that temperature and particle deposition greatly influence ...superheater corrosion ...
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High Temperature Corrosion of CoNiCrAlY Si Alloys in the Liquid Phase of Na2SO4 NaCl
... highest corrosion resistance over the temperature range of 9231273 ...phase corrosion, that is, the oxide thickness in the CoNiCrAlYSi alloys tends to decrease especially with the addition of 30 ...
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Nitrogen and Water in High Temperature Corrosion - Insights from First Principle Calculations
... Corrosion and oxidation phenomena are prevalent in today’s society. Few examples include stainless kitchen utensils, cars exposed to varying environments spanning from the combustion conditions in the engine to ...
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High Temperature Corrosion Resistance of Coatings Deposited by Hvof for Application in Steam Turbines
... For geothermal environments, Diamalloy and MCrAlY coatings tend to behave as sacrificial anodes, due to polarization studies and monitoring of E corr reported having more active potential with respect to the substrate. ...
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Degradation Studies of Micro and Nanocrystalline NiCrAlY Coatings for High Temperature Corrosion Protection.
... the high temperature oxidation and ...and High Velocity Oxide Fuel Spray (HVOF), respectively, in the present ...to high temperature cyclic oxidation at 900ºC in presence of air to ...
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High Temperature Corrosion of CoNiCrAlY Si Alloys in an Air Na2SO4 NaCl Gas Atmosphere
... severe corrosion in a Na 2 SO 4 -NaCl atmosphere. 4) On the other hand, high temperature corrosion of alloys generally becomes more severe with increasing ...
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Influence of KCl and HCl on high temperature corrosion of HVAF sprayed NiCrAlY and NiCrMo coatings
... chlorine-induced high temperature corrosion behaviour of chromia-forming Ni21Cr and alumina-forming Ni5Al coating was investigated in 5% O 2 + 500 vppm HCl + N 2 ...better corrosion ...
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Reducing High Temperature Corrosion when Burning Waste by Adding Digested Sewage Sludge
... cause high temperature corrosion during combustion of biomass and ...accelerated corrosion attack in such ...in corrosion rate compared to low alloyed steels. To maintain the ...
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Corrosion Performance of a Novel NiAl-Cu Intermetallic HVOF Protective Coating Part II: High Temperature Corrosion in Molten Salts
... this high operating ...the corrosion by sulfuric acid in the low temperature zone of the boiler ...the high temperature corrosion as a coating for Ni base superalloys applied by ...
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High-Temperature Corrosion Testing of Uranium Silicide Surrogates
... CeSi,_,.. CORROSION TESTING OF URANJUM SJUCJOE SURROGATES. Intemal stresses coupled with the stress applied by the oxide layer may have been enough to cause the larger piece[r] ...
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Effect of the NaVO3-V2O5 Ratio on the High Temperature Corrosion of Chromium
... the corrosion rate is ...Cr corrosion rate is highest in NV3 and NV6 followed by NV and V, ...catastrophic corrosion rate values were observed, where the most aggressive compound was V, whereas the ...
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High Temperature Corrosion Behavior of Alloys in Mixed-Gas Environments
... the temperature in a staged combustion process, the environment becomes more reducing and highly ...certain high-temperature commercial processes can be even further complicated by having ...
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High Temperature Corrosion of Superheaters in Biomass - and Waste-Fired Boilers: Combat on two fronts
... ii ABSTRACT Carbon dioxide is a greenhouse gas contributing to the greenhouse effect and a significant contribution comes from the use of fossil fuels. Utilizing more renewable fuels is therefore a solution to decrease ...
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Corrosion inhibitor for high temperature oil well
... 7 corrosion inhibitors can be classified into 4 ...the corrosion inhibitor is added, the Cl -1 or the other anions can absorb on the surface of metal, so the metal surface has negative charge which get the ...
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Corrosion of Titanium Alloys in High Temperature Seawater
... offer high strength to weight ...to corrosion and could be vulnerable in the in low oxygen, high temperatures environments at deep sea ...excellent corrosion resistance and the combination of ...
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