公开(公告)号：US20040062954A1

公开(公告)日：2004-04-01

申请号：US10065260

申请日：2002-09-30

Applicant: General Electric Company-Global Research Center

Inventor： Hongyu Wang ,  David Joseph Mitchell ,  Yuk-Chiu Lau ,  Arnold Thomas Henry

IPC: B05D001/08 ,  B05D001/36 ,  B32B015/04

CPC classification number: C04B41/87 ,  C04B41/009 ,  C04B41/5024 ,  C04B41/52 ,  C04B41/89 ,  C23C4/02 ,  C23C4/11 ,  C23C4/12 ,  C23C4/18 ,  C23C28/04 ,  C23C28/042 ,  C23C30/00 ,  F28F19/02 ,  Y10T428/24471 ,  C04B41/4527 ,  C04B41/5096 ,  C04B41/5037 ,  C04B41/0072 ,  C04B35/565 ,  C04B35/581 ,  C04B35/806

Abstract: A method for manufacturing an article for use in a high-temperature environment, and an article for use in such an environment, are presented. The method comprises providing a substrate; selecting a desired vertical crack density for a protective coating to be deposited on the substrate; providing a powder, wherein the powder has a size range selected to provide a coating having the desired vertical crack density; and applying a thermal-sprayed coating to the substrate, the coating having the desired vertical crack density, wherein the powder is used as a raw material for the coating.

Abstract translation: 本发明提供一种制造用于高温环境的制品的方法和用于这种环境的制品。 该方法包括提供基底; 选择要沉积在基底上的保护涂层的期望垂直裂纹密度; 提供粉末，其中所述粉末具有选择的尺寸范围以提供具有期望的垂直裂纹密度的涂层; 并将热喷涂层施加到所述基底上，所述涂层具有所需的垂直裂纹密度，其中所述粉末用作所述涂层的原料。

公开(公告)号：US20030224124A1

公开(公告)日：2003-12-04

申请号：US10063967

申请日：2002-05-30

Applicant: General Electric Company

Inventor： Yuk-Chiu Lau ,  Hongyu Wang ,  David Joseph Mitchell

IPC: B05D001/36 ,  B05D001/08

CPC classification number: C04B41/009 ,  C04B41/52 ,  C04B41/89 ,  C23C4/02 ,  C23C4/12 ,  C23C28/04 ,  C23C28/042 ,  C23C28/048 ,  F01D5/288 ,  F05D2230/90 ,  F05D2300/611 ,  C04B41/4527 ,  C04B41/5096 ,  C04B41/5037 ,  C04B41/5024 ,  C04B41/5042 ,  C04B2111/00405 ,  C04B41/522 ,  C04B41/0072 ,  C04B35/565 ,  C04B35/584 ,  C04B35/806

Abstract: A process for depositing a ceramic coating system for Si-containing materials, particularly those for articles exposed to high temperatures. The process is particularly applicable to depositing a compositionally-graded coating system comprising multiple ceramic layers with differing compositions, including a dense, strain-tolerant, vertically-cracked YSZ-containing ceramic layer deposited on a ceramic layer having a composition that is a mixture of YSZ and either mullite or BSAS. The process entails depositing the YSZ-containing ceramic layer using a plasma spraying technique while maintaining the substrate at a temperature so as not to form horizontal cracks in the coating system, but still maintain the dense vertically-cracked structure of the YSZ-containing ceramic layer for strain tolerance.

Abstract translation: 用于沉积用于含Si材料的陶瓷涂层系统的方法，特别是用于暴露于高温的制品的方法。 该方法特别适用于沉积包含具有不同组成的多个陶瓷层的组成分级的涂层体系，包括沉积在陶瓷层上的致密的耐应变的垂直裂纹的含YSZ陶瓷层，该陶瓷层的组成为 YSZ和莫来石或BSAS。 该方法需要使用等离子喷涂技术沉积含YSZ的陶瓷层，同时将基材保持在不会在涂布体系中形成水平裂纹的温度，但仍保持含YSZ的陶瓷层的致密的垂直裂纹结构 用于应变公差。

公开(公告)号：US20040151840A1

公开(公告)日：2004-08-05

申请号：US10248635

申请日：2003-02-03

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Hongyu Wang ,  Yuk-Chiu Lau ,  Irene Spitsberg ,  Arnold T. Henry

IPC: B05D001/08

CPC classification number: C04B41/009 ,  C04B41/52 ,  C04B41/89 ,  C23C4/02 ,  C23C4/11 ,  C04B41/4527 ,  C04B41/5037 ,  C04B41/5024 ,  C04B35/565 ,  C04B35/584

Abstract: A process of depositing a coating system suitable for use as an environmental barrier coating on various substrate materials, particularly those containing silicon and intended for high temperature applications such as the hostile thermal environment of a gas turbine engine. The process comprises depositing a first coating layer containing mullite, and preferably a second coating layer of an alkaline earth aluminosilicate, such as barium-strontium-aluminosilicate (BSAS), by thermal spraying while maintaining the substrate at a temperature of 800null C. or less, preferably 500null C. or less, by which a substantially crack-free coating system is produced with desirable mechanical integrity.

Abstract translation: 一种沉积涂覆系统的方法，该涂覆系统适合用作各种基材上的环境屏障涂层，特别是含有硅并用于高温应用的那些涂层系统，例如燃气涡轮发动机的恶劣的热环境。 该方法包括通过热喷涂沉积包含莫来石的第一涂层，优选地是碱土金属硅铝酸盐的第二涂层，例如钡 - 锶 - 硅酸铝（BSAS），同时将基底保持在800℃的温度，或 较少，优选500℃或更低，由此产生具有期望的机械完整性的基本上无裂纹的涂层体系。