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    SU-8 nano-composites with improved tribological and mechanical properties
    2.
    发明授权
    SU-8 nano-composites with improved tribological and mechanical properties 有权
    SU-8纳米复合材料具有改善的摩擦学和机械性能

    公开(公告)号：US09051528B2

    公开(公告)日：2015-06-09

    申请号：US13683467

    申请日：2012-11-21

    申请人： National University of Singapore

    发明人： Sujeet Kumar Sinha ,  Prabakaran Saravanan ,  Satyanarayana Nalam

    IPC分类号： C10M107/02 ,  C10M107/00 ,  C10M169/04

    CPC分类号： C10M7/00 ,  C10M169/04 ,  C10M2201/041 ,  C10M2201/065 ,  C10M2201/066 ,  C10M2201/105 ,  C10M2203/106 ,  C10M2205/022 ,  C10M2207/40 ,  C10M2209/0845 ,  C10M2209/103 ,  C10M2213/06 ,  C10M2213/062 ,  C10M2229/0415 ,  C10N2210/04 ,  C10N2210/06 ,  C10N2220/082 ,  C10N2230/06 ,  C10N2240/06

    摘要： Substantially homogenous compositions in accordance with the present disclosure can exist in various forms, such as bulk materials, coatings, films, laminates, inserts, or overlays, and include at least one polymer such as SU-8, at least one liquid lubricant, and optionally at least one nanomaterial that serves as an inorganic filler material. Such compositions exhibit enhanced tribological and mechanical properties compared to the at least one polymer in isolation, for instance, a 50% or greater coefficient of friction reduction, a 100% or greater wear life increase, a 10% or greater elastic modulus increase, and/or a 10% or greater hardness increase. The at least one nanomaterial can include a first nanomaterial providing increased hardness, and a second nanomaterial providing increased elastic modulus. Compositions in accordance with the present disclosure are suitable for biological and non-biological applications.

    摘要翻译： 根据本公开内容的基本上均匀的组合物可以以各种形式存在，例如散装材料，涂料，薄膜，层压材料，插入物或覆盖层，并且包括至少一种聚合物，例如SU-8，至少一种液体润滑剂和 任选的至少一种用作无机填料的纳米材料。 这样的组合物与隔离的至少一种聚合物相比表现出增强的摩擦学和机械性能，例如，50％或更大的摩擦系数降低，100％或更高的磨损寿命增加，10％或更大的弹性模量增加，以及 /或10％以上的硬度增加。 所述至少一种纳米材料可以包括提供增加的硬度的第一纳米材料和提供增加的弹性模量的第二纳米材料。 根据本公开的组合物适用于生物和非生物应用。

    METHOD FOR PRODUCING SEAMLESS TUBES
    3.
    发明申请
    METHOD FOR PRODUCING SEAMLESS TUBES 有权
    生产无缝管的方法

    公开(公告)号：US20120047981A1

    公开(公告)日：2012-03-01

    申请号：US13205985

    申请日：2011-08-09

    申请人： Kouichi HARADA ,  Tomio YAMAKAWA

    发明人： Kouichi HARADA ,  Tomio YAMAKAWA

    IPC分类号： B21C23/01

    CPC分类号： B21C23/085 ,  B21C23/002 ,  B21C23/32 ,  B21C25/02 ,  B21C29/00 ,  C10M7/00 ,  C10M103/00 ,  C10M2201/12 ,  C10M2201/123 ,  C10N2240/403 ,  C21D6/004 ,  C21D8/00 ,  C21D8/10 ,  C21D8/105 ,  C21D9/00 ,  C21D9/08 ,  C22C38/02 ,  C22C38/04 ,  C22C38/48 ,  C22C38/58 ,  F22B37/04 ,  F22B37/244

    摘要： Provided is a method for producing a seamless tube, in which after a starting material to be extruded has been heated to a heating temperature T [° C.] satisfying the relationship of Formula (1) or Formula (2) depending on the outside diameter d0 [mm] thereof, the starting material is hot extruded by providing a solid lubricating glass between the starting material to be extruded and a die, whereby a transverse flaw on the outer surface in the top portion of tube can be prevented when hot extrusion is performed by using a starting material for extrusion having low deformability at high temperatures. When d0

    摘要翻译： 本发明提供一种无缝管的制造方法，其中待挤出原料已经被加热至满足式（1）或式（2）的关系的加热温度T [℃]，取决于外径 d0 [mm]，通过在待挤出的起始材料和模具之间提供固体润滑玻璃来热原料，由此当热挤出为热挤压时，可以防止管顶部的外表面上的横向缺陷 通过使用在高温下具有低变形性的用于挤出的原料进行。 当d0 <200时，T＆nlE; 1250 + 1.1487×A-7.838×ln（t0 / t）-10.135×ln（d0 / d）。 。 。 （1）; 当d0≥200时，T＆nlE; 1219 + 1.1487×A-7.838×ln（t0 / t）-10.135×ln（d0 / d）。 。 。 （2），其中A = L / Vav×1000 [昆虫。 Vav =（V0 + V0×＆rgr）/ 2 [mm / sec]，＆rgr; =（t0×（d0-t0））/（t×（d-t）），t0：起始材料的壁厚 挤出成形后的挤出长度[mm]，d：挤出管的外径[mm]，t：壁厚[mm]，L：挤出方向的模具的接近部分长度[mm]，V0：冲头速度[mm / sec] 。

    Composition for boundary lubricant and method
    8.
    发明授权
    Composition for boundary lubricant and method 失效
    边界润滑剂和方法的组成

    公开(公告)号：US3983270A

    公开(公告)日：1976-09-28

    申请号：US409848

    申请日：1973-10-26

    申请人： James J. Licari ,  Robert Willing

    发明人： James J. Licari ,  Robert Willing

    IPC分类号： C07F11/00 ,  C10M169/00 ,  F16C32/06 ,  F16C33/10 ,  C23C1/10

    CPC分类号： F16C32/0662 ,  C07F11/005 ,  C10M7/00 ,  F16C33/10 ,  C10M2207/121 ,  C10M2207/122 ,  C10M2207/125 ,  C10M2207/129 ,  C10M2209/00 ,  C10M2209/02 ,  C10M2209/10 ,  C10N2210/00 ,  C10N2210/03 ,  C10N2210/06 ,  C10N2210/08 ,  C10N2240/02 ,  C10N2250/08 ,  C10N2250/10

    摘要： A composition for forming a boundary lubricant for metal and ceramic wear surfaces consisting of transition element complexes, including those of the higher molecular weight carboxylic acids such as the long chain fatty acids (C.sub.x H.sub.2x.sub.+1 COOH; x = 8, 9, 10, . . . 29). The transition elements used here are metals such as Cr, Mn, Fe, Co, Ni or Al that can form coordination complexes. Exemplary metal complexes are chromium stearate and chromium behenate.An exemplary complex may be prepared by (1) reducing chromium trioxide by a reducing alcohol in a low molecular weight organic acid to produce chromium acetate; then 2 hydrating and olating the chromium acetate. A solution containing a maximum concentration of about 11 weight percent of the transition metal complex in a solvent such as trichloroethylene is applied as a thin layer onto a wear surface, then the layer is heated for 1-4 hours at a temperature at or above 70.degree.C and, within the approximate range 70.degree.-160.degree.C. The transition metal complex chemically adheres to the wear surface, and is cross-linked by the heat treatment, to form an anchored, polymerized array of molecules that provides a hydrophobic, durable, boundary lubricant having a low coefficient of friction.The transition metal complex solution may be applied to non-porous wear surfaces or, alternatively, may be impregnated into chrome oxide coatings or other porous refractory coatings on wear surfaces to form a porosity-filling boundary lubricant thereon. The lubricant decreases the clearance required between porous bearing surfaces, decreases the formation of corrosion cells, and lowers the coefficient of friction. The preferred amount of fatty acid or organic polyacid that can be stably incorporated into a complex chromium soap for use as a porosity-filling lubricant, that is, the optimum fatty acid mol/chromium gm-atom ratio, is approximately 1-1.2/1.

    摘要翻译： 用于形成由过渡元素配合物组成的金属和陶瓷耐磨表面的边界润滑剂的组合物，包括较高分子量羧酸如长链脂肪酸（CxH2x + 1COOH; x = 8,9,10， 29）。 这里使用的过渡元素是可以形成配位络合物的金属，例如Cr，Mn，Fe，Co，Ni或Al。 示例性的金属络合物是硬脂酸铬和山嵛酸铬。