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A review on environmental barrier coatings History
Mar 01 2021 · Environmental barrier coatings (EBCs) are a protective measure to enable the CMCs to operate under harsh conditions. EBC-coated CMCs will enable an increased efficiency and reduced pollutant and CO 2 emissions.
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While the use of protective thermal barrier and bond coatings has resulted in significant improvements in superalloy performance including thermal oxidative and mechanical protection these coating still allow for oxygen diffusion and subsequent reaction and oxidation with the underlying substrate. NETL has developed a surface treatment
Get PriceAccelerated oxidation of SiC CMC s by water vapor and
Jan 01 2002 · Environmental barrier coatings for SiC have been developed applied to SiC substrates and tested in rig facilities and actual engine environments. Testing has shown that these EBC s provide protection to the substrate and that at least a 3 improvement in life is achieved at this time.
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Overview. Nitin P. Padture is the Otis E. Randall University Professor in the School of Engineering at Brown University and Director of Brown s Institute for Molecular and Nanoscale Innovation.Prior to January 2012 he was College of Engineering Distinguished Professor at the Ohio State University (OSU) and also the founding Director of the NSF-funded Materials Research Science and
Get PriceKang N. Lee Inventions Patents and Patent Applications
Kang N. Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). Coating including a rare earth silicate-based layer including a
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Michael Cybulsky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). THERMAL BARRIER COATINGS FOR COMPONENTS IN HIGH-TEMPERATURE MECHANICAL SYSTEMS.
Get PriceAccelerated oxidation of SiC CMC s by water vapor and
Jan 01 2002 · Environmental barrier coatings for SiC have been developed applied to SiC substrates and tested in rig facilities and actual engine environments. Testing has shown that these EBC s provide protection to the substrate and that at least a 3 improvement in life is achieved at this time.
Get PriceTania BhatiaPatents
An environmental coating system for silicon based substrates wherein a porous intermediate barrier layer having an elastic modulus of about 30 to 150 GPa is provided between a silicon metal containing bondcoat and a ceramic top environmental barrier layer. Inventors Sonia Tulyani Tania Bhatia (United Technologies Corporation)
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The reported current state-of-the-art environmental barrier coating comprises three layers a silicon bond coat a mullite (3Al 2 O 3 ·2SiO 2)-based intermediate coat and a BSAS (Ba 1−x Sr x Al 2 Si 2 O 8 where 0 ≤ x ≤ 1) top coat (Ref 89). For applications over 1400 °C where Si bond coat would melt the next ceramic layer such as a
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thermal barrier coating (TBC) system to meet the needs of the advance turbine system (ATS) engine. The work was sponsored by the Office of Fossil Energy. The total value of the contract is 6 238 528 with DOE s cost share being 4 991 622 or 80 and the Contractor s cost share being 1 246 906 or 20 . The performance period was
Get PriceEBC with mullite bondcoat having a non-oxide silicon
Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability Kirby et al. SOLVENT BASED ENVIRONMENTAL BARRIER COATINGS FOR HIGH TEMPERATURE CERAMIC COMPONENTS Kirby 428/215 Diffusion barrier coating for Si-based components Li et al.
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A cutting-edge environmental barrier coating system was developed at NASA s Glenn Research Center to battle damage on gas turbine engines. The design of this tech makes for a stronger and more durable coating that doesn t require a special potentially-costly manufacturing method.
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Mechanisms and Resistance of Advanced Turbine Environmental Barrier Coatings for SiC/SiC Ceramic Matrix Composites Dongming Zhu Gustavo Costa Bryan J. Harder Valerie L. Wiesner Janet B. Hurst Bernadette J. Puleo Materials and Structures Division NASA John H. Glenn Research Center Cleveland Ohio 44135 Advanced Ceramic Matrix Composites
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EarthCoating® is a mineral-enriched resin alternative to 100 plastic coatings for paper-based barrier packaging applications.. Ideal for all types of paperboard barrier packaging applications including paper cups food trays folding cartons take out boxes labels liners corrugated packaging flexible bags and more EarthCoating® delivers premium aesthetics functionality and barrier
Get PriceEPOT 2389/13 () of 27.4.2015European Patent Office
Apr 27 2015 · It appears that each of documents D2 and D7 can be considered as the closest prior art for a ceramic article having the claimed environmental barrier coating of claim 1. 5.2 D2 discloses a coating system for Si-containing materials particularly those for articles exposed to high temperatures such as a metal silicide alloy a metal matrix
Get PriceAccelerated oxidation of SiC CMC s by water vapor and
Jan 01 2002 · Environmental barrier coatings for SiC have been developed applied to SiC substrates and tested in rig facilities and actual engine environments. Testing has shown that these EBC s provide protection to the substrate and that at least a 3 improvement in life is achieved at this time.
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The U.S. Department of Energy s Office of Scientific and Technical Information DOE Patents Patent Dense protective coatings methods for their preparation and coated articles Environmental barrier coating for silicon based substrates such as silicon nitride patent June 2005.
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Tania Bhatia Kashyap has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). High pressure turbine rear side plate. Patent
Get PriceThe Development of Erosion and Impact Resistant Turbine
Thermal Barrier Coatings for Turbine Airfoil Applications ─ Multi-component oxide defect clustering approach (Zhu and Miller US Patents No. 6 812 176 No.7 001 859 and 7 186 466 US Patent Application 11/510 574 ) ─ Defect clustering associated with dopant segregation EELS elemental maps of EB-PVD ZrO 2-14mol (Y Gd Yb) 2 O 3 Plasma
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Environmental barrier coating and related articles and methods ### The bibliographic references displayed about Molly Maureen Gentleman s patents are for a recent sample of Molly Maureen Gentleman s publicly published patent applications.
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Hasse Guttag Nesbitt LLC patents The following is a sampling of recent Hasse Guttag Nesbitt LLC patent applications (USPTO Patent Application # Patent Title) sorted by month. July 2006Hasse Guttag Nesbitt LLC patents Thermal/environmental barrier coating with transition layer for silicon-comprising materials
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Advanced Thermal Barrier and Environmental Barrier Coating Development at NASA GRC Dongming Zhu And Craig Robinson DOE and Air Force Army Navy) 2X Erosion resistant turbine TBC Advanced CMAS US Patent 7 700 508 NASA-Army ) specifically by additions of RE 2 O 3 TiO 2 and Ta 2 O 5 ─ Significantly improved toughness cyclic durability
Get PriceHurst Bernadette J. PuleoNASA
Mechanisms and Resistance of Advanced Turbine Environmental Barrier Coatings for SiC/SiC Ceramic Matrix Composites Dongming Zhu Gustavo Costa Bryan J. Harder Valerie L. Wiesner Janet B. Hurst Bernadette J. Puleo Materials and Structures Division NASA John H. Glenn Research Center Cleveland Ohio 44135 Advanced Ceramic Matrix Composites
Get PriceEPOT 2389/13 () of 27.4.2015European Patent Office
Apr 27 2015 · It appears that each of documents D2 and D7 can be considered as the closest prior art for a ceramic article having the claimed environmental barrier coating of claim 1. 5.2 D2 discloses a coating system for Si-containing materials particularly those for articles exposed to high temperatures such as a metal silicide alloy a metal matrix
Get PriceEBC with mullite bondcoat having a non-oxide silicon
Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability Kirby et al. SOLVENT BASED ENVIRONMENTAL BARRIER COATINGS FOR HIGH TEMPERATURE CERAMIC COMPONENTS Kirby 428/215 Diffusion barrier coating for Si-based components Li et al.
Get PriceMichael Cybulsky Inventions Patents and Patent
Michael Cybulsky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). THERMAL BARRIER COATINGS FOR COMPONENTS IN HIGH-TEMPERATURE MECHANICAL SYSTEMS.
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