Aluminide Coatings
Oxidation protection behaviour of titanium aluminide coatings develped by TIG technique
... titanium aluminide coatings on commercial purity titanium (CPTi) surfaces by melting a pre-placed aluminium and titanium powder mixture, using a tungsten inert gas (TIG) welding ...
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Monitoring of Hot Corrosion Behaviors for Alloys and Aluminide Coatings under Molten Sulfate Film with Thermal Cycles
... on aluminide coatings confirmed that the impedance component at high frequency area represents the characteristics of aluminum oxide formed on the surface of aluminide diffusion ...of ...
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Aluminide Coatings Fabricated on Nickel by Aluminium Electrodeposition from DMSO2 Based Electrolyte and Subsequent Annealing
... Aluminide coatings are widely used in high-temperature applications such as aircraft turbine blades and power plants to protect metallic materials from high-temperature oxida- ...typical aluminide ...
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Kinetics Growth and Oxidation Resistance of Aluminide Coatings Deposited by the CVD Method on Re 80 Superalloy
... Diffusion aluminizing is one of the basic techniques of protecting the turbine blades surfaces against the oxidiz- ing influence of fumes environment. The pack cementa- tion-, out-of-pack-, slurry- and CVD methods of ...
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Damping Behavior of Layered Aluminium and Aluminide Coatings on AISI 316 Austenitic Steel
... Aluminide coatings have been extensively applied to steels and superalloys components operating in high temperature environments in order to provide thermal protection while preventing metal oxidation and ...
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Zirconium Modified Aluminide Coatings Obtained by the CVD and PVD Methods
... The improvement of engine turbines efficiency is achieved by the use of effective cooling systems of turbine blades and by diffusion protective coatings on nickel-based su- peralloys [1-3]. Alloyed nickel ...
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Platinum Aluminide Coatings for Oxidation Resistance of Titanium Alloys124-129
... The platinum aluminide coating effectively eliminates alpha case formation and also provides excellent oxidation resistance to IMI 834, even at 800"C, which is a te[r] ...
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The Microstructure and Oxidation Resistance of The Microstructure and Oxidation Resistance of Slurry Method on Rene 80 Superalloy
... diffusion aluminide coatings are used for protection of the turbine blades made from nickel superalloys and used as elements of aircraft and industrial gas turbines, against oxidizing influence of exhaust ...
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Preparation of Ni Aluminide Surface Layer Containing Hafnium by Molten Salt Electrodeposition and Cyclic Oxidation Resistance
... Ni aluminide layer ((b) and (c) processes). For the Ni aluminide-coatings with the Hf- containing layer in the present study, however, when the Hf- containing layer was formed in the vicinity of the ...
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Cyclic oxidation behavior of uncoated and aluminum-rich nickel aluminide coated Rene-80 superalloy
... To study the degradation of the coating more precisely during cyclic oxidation, the metallographic examination of each of the specimen was conducted to observe the structural changes and degradation after different ...
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Effect of Hf Addition on Oxidation Properties of Pt Ir Modified Aluminide Coating
... modified aluminide coatings was ...containing coatings showed smaller mass change with retarded surface rumpling during cyclic oxidation ...0 coatings and Pt modified aluminide ...
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The role of Silicon on Microstructure and High Temperature Performance of Aluminide Coating on Superalloy In 738LC
... of aluminide coatings, the cross sectional morphology of Al–Si(H) coating applied on superalloy In-738LC at 1273 K is shown in ...Al–Si(M) coatings ap- plied at 1273 K also showed the similar zones, ...
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<p>Greater osteoblast densities due to the addition of amphiphilic peptide nanoparticles to nano hydroxyapatite coatings</p>
... A 70% (v/v) hydroxyethyl methacrylate monomer solution (Sigma-Aldrich Co., St Louis, MO, USA) in water was used to prepare pHEMA coatings on Ti substrates. For the samples incorporated with nanoparticles, HA, ...
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Improvement of High Temperature Oxidation of Low Carbon Steel Exposed to Ethanol Combustion Product at 700 °C By Hot-Dip Aluminizing Coating
... the aluminide layer after oxidation time from 1 to 4 h in ethanol combustion product can be seen in Figure ...the aluminide layer formed owing to be the inward diffusion of iron atoms and outward diffusion ...
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NTERNATIONAL JOURNAL OFR ESEARCH SCIENCE &M ANAGEMENT
... modified aluminide coating outer layer divided into two region, the Al content concentrate in the region I and decrease toward the middle layer , when increase the time of the coating the diffusion of Al in all ...
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Vol 3, No 10-12 (2014)
... resistant, coatings on fabric, paper, glass, polyester etc, rendering them ...and coatings retain their antimicrobial activity over long period of ...
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The analysis of complex tribological system of single point incremental sheet metal forming – SPIF
... hard coatings (like TiN, TiCN, TiAIN, CrN, ...hard coatings are not frequently used in forming ...of coatings on the basis of hard carbon ...These coatings with the major portion of the ...
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Protecting Gas Turbine Components17-26
... 1 1 Line scans for the elements nickel, platinum and aluminium along the line a-a, in an area near the leading edge of a platinum-modified aluminide coated blade, show the [r] ...
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A Study of the Tribological Properties of Sputter-deposited MoSX/Cr Coatings
... The microstructure and chemical composition of the surface and cross-section of the coatings were analyzed using a scanning electron microscopy (SEM) (Camscan MV2300) with energy dispersive spectroscopy (EDS). ...
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Aluminizing of Nickel Based Superalloys Grade IN 738 by Powder Liquid Coating
... molten aluminum to cover all coating areas, preventing coalescence of molten aluminum into separate pools. There- fore coating layer was formed uniformly and evenly on the entire surface. 7) The purpose of this study was ...
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