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Adhesive protective coatings, non-line of sight methods for their preparation, and coated articles

A technology of protective coating and bonding coating, which is applied in the device, coating, metal material coating process of coating liquid on the surface, etc., can solve problems such as hindering high processing temperature

Inactive Publication Date: 2007-09-05
UNITED TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the physical properties of the expected substrate preclude the use of these necessary high processing temperatures

Method used

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  • Adhesive protective coatings, non-line of sight methods for their preparation, and coated articles
  • Adhesive protective coatings, non-line of sight methods for their preparation, and coated articles
  • Adhesive protective coatings, non-line of sight methods for their preparation, and coated articles

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Embodiment Construction

[0020] The present invention relates to a method for applying a protective coating to a silicon-containing article and to the coated silicon-containing article. The protective coating inhibits the formation of gaseous species of silicon when the article is exposed to high temperature, combustion environments. The protective coating can act as an environmental, thermal or chemical barrier.

[0021] Referring to FIGS. 1-3 , a portion of a complex shaped part is represented by a substrate 10 . As used herein, the term "complex shaped part" means a part whose shape and geometry are not conducive to coating by conventional line-of-sight methods known to those of ordinary skill in the art. Parts of complex shape for various industrial applications and all such parts of complex shape can be coated using the method of the present invention. For example, aircraft engine manufacturers can use the method of the invention to coat complex shaped components such as blades, rotor blades, c...

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Abstract

A method for depositing a protective coating upon a substrate includes the steps of dipping a substrate into a slurry composed of an aqueous solution, at least one refractory metal oxide, and at least one transient fluid additive present in an amount of about 0.1 percent to 10 percent by weight of the slurry; heat treating the substrate; and cooling the substrate to form a protective coating thereon.

Description

[0001] government rights [0002] The United States Government has rights in this invention pursuant to Contract No. DE-FC26-00CH11060 awarded by the Department of Energy. technical field [0003] The present disclosure relates to protective coatings, and more particularly to a cost-effective method of preparing and applying a protective coating of a specific density that is effective in limiting damaging environmental impacts and / or providing thermal protection, thereby prolonging the lifespan of Service life of complex shaped components in all applicable industries. Background technique [0004] In the known scientific literature, environmental barrier coatings (EBCs) are coatings used to prevent the evaporation of Si species from silicon-containing substrates, such as U.S.P.N. 6,387,456 by Eaton et al. Thermal barrier coatings (TBCs) for thermal protection of metallic substrates such as Ni-based superalloys i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23D11/00C23D5/02C23D13/00B05C3/02B05D7/14B05D7/24C04B35/01F01D5/28F01D5/00F01D25/00
CPCC23C24/082C04B41/009Y02T50/67C04B41/52C04B41/89C04B41/5044C04B41/87C04B41/4539C04B41/5027C04B41/5096C04B41/5024C04B41/5037C04B41/522C04B35/10C04B35/00C04B35/185C04B35/565C04B35/48C04B35/584C04B35/80C23C18/1216C23C18/04Y02T50/60
Inventor S·图尔亚尼J·G·斯梅吉尔T·巴蒂亚
Owner UNITED TECH CORP
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