Cell having electrodes of improved service life
    3.
    发明授权
    Cell having electrodes of improved service life 失效
    电池具有使用寿命更长的电极

    公开(公告)号:US5435896A

    公开(公告)日:1995-07-25

    申请号:US217830

    申请日:1994-03-25

    摘要: A metal surface, useful as an electrode in an electrolytic cell, is now described having enhanced adhesion of subsequently applied coatings combined with excellent coating service life. The substrate metal of the electrode, such as a valve metal as represented by titanium, is provided with a highly desirable rough surface characteristic for subsequent coating application. This can be achieved by various operations including etching and melt spray application of metal or ceramic oxide to ensure a roughened surface morphology. Usually in subsequent operations, a barrier layer is provided on the surface of enhanced morphology. This may be achieved by operations including heating, as well as including thermal decomposition of a layer precursor. Subsequent coatings provide enhanced lifetime even in the most rugged commercial environments.

    摘要翻译: 现在描述用作电解池中的电极的金属表面,其具有增强的随后涂覆的涂层的粘附性以及优异的涂层使用寿命。 电极的基板金属,例如由钛表示的阀金属,具有用于后续涂布应用的高度期望的粗糙表面特性。 这可以通过各种操作实现,包括蚀刻和熔体喷涂金属或陶瓷氧化物以确保粗糙化的表面形态。 通常在随后的操作中,在增强的形态表面上提供阻挡层。 这可以通过包括加热以及包括层前体的热分解的操作来实现。 随后的涂层即使在最坚固的商业环境中也能提供更长的使用寿命。

    Method of using a metal substrate of improved surface morphology
    5.
    发明授权
    Method of using a metal substrate of improved surface morphology 失效
    使用改进的表面形态的金属基材的方法

    公开(公告)号:US5262040A

    公开(公告)日:1993-11-16

    申请号:US686963

    申请日:1991-04-18

    摘要: A metal surface is now described having enhanced adhesion of subsequently applied coatings. The substrate metal of the article, such as a valve metal as represented by titanium, is provided with a highly desirable surface characteristic for subsequent coating application. This can be initiated by selection of a metal of desirable metallurgy and heat history, including prior heat treatment to provide surface grain boundaries which may be most readily etched. In subsequent etching operation, the surface is made to exhibit well defined, three dimensional grains with deep grain boundaries. Subsequently applied coatings, by penetrating into the etched intergranular valleys, are desirably locked onto the metal substrate surface and provide enhanced lifetime even in rugged commercial environments.

    摘要翻译: 现在描述了金属表面具有增强的随后涂覆的涂层的粘合性。 制品的基底金属,例如由钛表示的阀金属,具有用于后续涂布应用的非常期望的表面特性。 这可以通过选择期望的冶金和热历史的金属来开始,包括先前的热处理以提供最容易蚀刻的表面晶界。 在随后的蚀刻操作中,使表面形成具有深度晶界的良好限定的三维晶粒。 随后施加的涂层通过渗透到蚀刻的晶间谷中被期望地锁定在金属基板表面上,并且即使在坚固的商业环境中也提供延长的寿命。