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Enhanced High Temperature Corrosion Resistance in Advanced Fossil Energy Systems by Nano-Passive Layer Formation

Description: Due to their excellent corrosion resistance, iron aluminum alloys are currently being considered for use as weld claddings in fossil fuel fired power plants. The susceptibility to hydrogen cracking of these alloys at higher aluminum concentrations has highlighted the need for research into the effect of chromium additions on the corrosion resistance of lower aluminum alloys. In the present work, three iron aluminum alloys were exposed to simulated coal combustion environments at 500 C and 700 C… more
Date: June 14, 2007
Creator: Marder, Arnold R.
Partner: UNT Libraries Government Documents Department
open access

Reaction synthesis of Ni-Al based particle composite coatings

Description: Electrodeposited metal matrix/metal particle composite (EMMC) coatings were produced with a nickel matrix and aluminum particles. By optimizing the process parameters, coatings were deposited with 20 volume percent aluminum particles. Coating morphology and composition were characterized using light optical microscopy (LOM), scanning electron microscopy (SEM), and electron probe microanalysis (EPMA). Differential thermal analysis (DTA) was employed to study reactive phase formation. The effect … more
Date: February 11, 2000
Creator: Susan, Donald F.; Misiolek, Woiceck Z. & Marder, Arnold R.
Partner: UNT Libraries Government Documents Department
open access

Functionally Gradient Materials for Thermal Barrier Coatings in Advanced Gas Turbine Systems

Description: New designs for advanced gas turbine engines for power production are required to have higher operating temperatures in order to increase efficiency. However, elevated temperatures will increase the magnitude and severity of environmental degradation of critical turbine components (e.g. combustor parts, turbine blades, etc.). To offset this problem, the usage of thermal barrier coatings (TBCs) has become popular by allowing an increase in maximum inlet temperatures for an operating engine. Alth… more
Date: December 31, 1995
Creator: Banovic, Stephen W.; Chan, Helen M.; Marder, Arnold R.; Puerta, Douglas G.; Barmak, Katayun; Harmer, Martin P. et al.
Partner: UNT Libraries Government Documents Department
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