Nanocomposite Coating for Hot MetalForming Tools
    143.
    发明申请
    Nanocomposite Coating for Hot MetalForming Tools 有权
    热金属成型工具的纳米复合涂层

    公开(公告)号:US20100307215A1

    公开(公告)日:2010-12-09

    申请号:US12477180

    申请日:2009-06-03

    Abstract: In one embodiment, a substrate, for example a tool used in hot metalforming operations, is coated with an enamel nanoparticulate graded coating. The nanoparticles in the coating may be boron-nitride nanoparticles. The coating may include a first portion adjacent a surface of the substrate, and a second portion adjacent the first portion. The first portion of the coating may have a lower volume fraction of nanoparticles than the second portion. The first portion has excellent adhesion to the surface of the substrate, and the second portion reduces friction and wear. The coated tool may be formed by applying at least one layer of a coating mixture to a surface of the tool and heating the coating mixture. A metal workpiece may be formed into an article by contacting the metal workpiece against the coated surface of the tool.

    Abstract translation: 在一个实施例中,衬底,例如用于热金属成形操作中的工具,涂覆有搪瓷纳米颗粒分级涂层。 涂层中的纳米颗粒可以是氮化硼纳米颗粒。 涂层可以包括邻近衬底的表面的第一部分和与第一部分相邻的第二部分。 涂层的第一部分可以具有比第二部分更低体积分数的纳米颗粒。 第一部分对基材的表面具有优异的粘附性,第二部分减少摩擦和磨损。 涂覆的工具可以通过将至少一层涂层混合物施加到工具的表面并加热涂层混合物而形成。 金属工件可以通过使金属工件与工具的涂覆表面接触而形成制品。

    Alkaline earth metal hydrocarbyl phenates, their sulphurized
derivatives, their production and use thereof
    149.
    发明授权
    Alkaline earth metal hydrocarbyl phenates, their sulphurized derivatives, their production and use thereof 失效
    碱土金属烃基酚盐,其硫化衍生物,其生产和用途

    公开(公告)号:US6090759A

    公开(公告)日:2000-07-18

    申请号:US991546

    申请日:1997-12-16

    Abstract: An additive concentrate suitable for incorporation into a finished lubricating oil composition is disclosed. The additive concentrate comprises:(a) a lubricating oil, and(b) a lubricating oil soluble sulphurized or non-sulphurized alkaline earth metal hydrocarbyl phenate modified by incorporation from 2 to less than 40% by weight based on the weight of said concentrate of either (i) at least one carboxylic acid having the formula: ##STR1## wherein R is a C.sub.10 to C.sub.24 alkyl or alkenyl group and R.sup.1 is either hydrogen, a C.sub.1 to C.sub.4 alkyl group or a --CH.sub.2 --COOH group, or an anhydride, acid chloride or ester thereof or (ii) a di- or polycarboxylic acid containing from 36 to 100 carbon atoms or an anhydride, acid chloride or ester thereof, said concentrate having a TBN greater than 300, and a viscosity at 100.degree. C. of less than 1,000 cSt. A process for making the foregoing concentrate is disclosed. A finished lubricating oil composition containing the foregoing concentrate is also disclosed.

    Abstract translation: 公开了适于掺入成品润滑油组合物中的添加剂浓缩物。 添加剂浓缩物包括:(a)润滑油,和(b)润滑油可溶的硫化或非硫化碱土金属的烃基酚盐,其通过以所述浓缩物的重量计2至小于40重量% (i)至少一种具有下式的羧酸:其中R是C 10至C 24烷基或烯基,R 1是氢,C 1至C 4烷基或-CH 2 -COOH基,或者酸酐,酰氯 或其酯或(ii)含有36至100个碳原子的二羧酸或多羧酸或其酸酐,酰氯或其酯,所述浓缩物的TBN大于300,而在100℃下的粘度小于 1,000 cSt 公开了制备上述浓缩物的方法。 还公开了含有上述浓缩物的成品润滑油组合物。

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