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    • 5. 发明授权
    • Nano icrystals copper material with super high strength and conductivity and method of preparing thereof
    • 具有超高强度和导电性的纳米晶体铜材料及其制备方法
    • US07736448B2
    • 2010-06-15
    • US10532674
    • 2003-10-16
    • Lei LuXiao SiYongfeng ShenKe Lu
    • Lei LuXiao SiYongfeng ShenKe Lu
    • C22C1/00C25D1/04
    • C25D1/04C22C1/00
    • The present invention relates to a nanocrystalline metallic material, particularly to nano-twin copper material with ultrahigh strength and high electrical conductivity and its preparation method. High-purity polycrystalline Cu material with a microstructure of roughly equiaxed submicron-sized grains (300-1000 nm) has been produced by pulsed electrodeposition technique, by which high density of growth-in twins with nano-scale twin spacing were induced in the grains. Inside each grain, there are high densities of growth-in twin lamellae. The twin lamellae with the same orientations are inter-parallel, and the twin spacing ranges from several nanometers to 100 nm with a length of 100-500 nm. This Cu material invented has more excellent performance than existing ones. The tensile yield strength and ultimate strength of the present Cu material at room-temperature can be as high as 900 MPa and 1086 MPa, respectively, and such a high tensile strength can not be achieved for the Cu materials with the same chemical composition prepared by any traditional methods. Meanwhile, the present Cu sample also keeps a good electrical conductivity, for example, the room-temperature resistivity is (1.75±0.02)×10−8 Ω·m, corresponding to 96% IACS, which is close to that of the conventional coarse-grained Cu.
    • 本发明涉及纳米晶体金属材料,特别涉及具有超高强度和高导电性的纳米双铜材料及其制备方法。 通过脉冲电沉积技术制备了具有大致等轴亚微米尺寸(300-1000nm)微观结构的高纯度多晶Cu材料,通过该技术,在晶粒中诱导出具有纳米尺度双间隔的高密度生长双胞胎 。 在每个谷物里面都有高密度的生长 - 双层薄片。 具有相同取向的双层板是相互平行的,并且双间隔范围为几纳米至100nm,长度为100-500nm。 这种发明的铜材料比现有的材料具有更优异的性能。 本发明Cu材料在室温下的拉伸屈服强度和极限强度分别高达900MPa和1086MPa,对于具有相同化学成分的Cu材料,不能实现高拉伸强度, 任何传统的方法。 同时,本发明的Cu样品也保持良好的导电性,例如,室温电阻率为(1.75±0.02)×10-8&OHgr·m,对应于96%IACS,接近传统的 粗粒度Cu。
    • 6. 发明授权
    • Mechanical method for generating nanostructures and mechanical device for generating nanostructures
    • 用于产生纳米结构的机械方法和用于产生纳米结构的机械装置
    • US07147726B2
    • 2006-12-12
    • US10343012
    • 2001-07-27
    • Jian LuKe Lu
    • Jian LuKe Lu
    • C23C8/00C21D8/00B24B39/00C21D1/00
    • C21D7/06C21D2201/03
    • The present invention concerns a mechanical method for generating nanostructures in order to obtain on a surface of a metal piece a nanostructured layer of defined thickness. A quantity of perfectly spherical balls (22) are disposed in a chamber that is closed for the size of the balls. At least one of the walls of the chamber supports or constitutes the piece to be treated (10). A vibrating motion is imparted to the chamber in a direction perpendicular to the plane of the circular motion of the chamber supporting or constituting the piece to be treated. The speed of the circular motion and the frequency and amplitude of the vibrating motion is determined based on the physical properties of the balls so as to communicate to the latter sufficient kinetic energy to create nanostructures on the material of the piece treated by impaction of the balloon surface of the piece.
    • 本发明涉及一种用于产生纳米结构的机械方法,以便在金属片的表面上获得具有规定厚度的纳米结构层。 一定数量的完全球形的球(22)设置在关于球的尺寸而关闭的腔室中。 腔室的至少一个壁支撑或构成待处理的件(10)。 在垂直于支撑或构成待处理件的腔室的圆周运动的平面的方向上,向室施加振动。 循环运动的速度以及振动运动的频率和振幅基于球的物理特性来确定,以便与球体的物理特性相通,以足够的动能在通过撞击气球处理的部件的材料上产生纳米结构 表面的一块。
    • 9. 发明授权
    • Method for generating nanostructures and device for generating nanostructures
    • 用于产生纳米结构的方法和用于产生纳米结构的装置
    • US07691211B2
    • 2010-04-06
    • US10343009
    • 2001-07-27
    • Jian LuKe Lu
    • Jian LuKe Lu
    • C23C8/00B24B39/00
    • C23C8/02C21D7/06C21D2201/03Y10T29/479
    • The present invention concerns a method for generating nanostructures in order to obtain in an area on the surface of a metal piece (10) a nanostructured layer of defined thickness, characterized in that it comprises: a step for projecting onto an impact point in the area of the surface of the piece (10) to be treated, for a given duration, at a given speed and at variable incidences at the same impact point, a given quantity of perfectly spherical balls (22) of given dimensions, reused continuously during the projection; repetition of the preceding step with a shift of the impact point so that the impact points as a group cover the entire surface of the piece to be treated; a step for treatment by diffusion of chemical compounds into the nanostructured layer generated during the step for implementing the method for generating nanostructures.
    • 本发明涉及一种用于产生纳米结构的方法,以便在金属片(10)的表面上获得具有规定厚度的纳米结构层的区域,其特征在于,其包括:用于投影到该区域中的冲击点上的步骤 (10)的待处理表面,给定的持续时间,给定的速度和相同的冲击点处的可变的发生量,给定量的具有给定尺寸的完美球形球(22)在 投影; 以冲击点的移动重复前一步骤,使得作为一组的冲击点覆盖待处理的整个表面; 通过化学化合物扩散到在实施用于产生纳米结构的方法的步骤期间产生的纳米结构层中进行处理的步骤。
    • 10. 发明授权
    • Device for generating nanostructures
    • 用于生成纳米结构的装置
    • US07300622B2
    • 2007-11-27
    • US11532314
    • 2006-09-15
    • Jian LuKe Lu
    • Jian LuKe Lu
    • C23C8/00C21D8/00B24B39/00
    • C23C8/02C21D7/06C21D2201/03Y10T29/479
    • The present invention concerns a method for generating nanostructures in order to obtain in an area on the surface of a metal piece (10) a nanostructured layer of defined thickness, characterized in that it comprises: a step for projecting onto an impact point in the area of the surface of the piece (10) to be treated, for a given duration, at a given speed and at variable incidences at the same impact point, a given quantity of perfectly spherical balls (22) of given dimensions, reused continuously during the projection; repetition of the preceding step with a shift of the impact point so that the impact points as a group cover the entire surface of the piece to be treated; a step for treatment by diffusion of chemical compounds into the nanostructured layer generated during the step for implementing the method for generating nanostructures.
    • 本发明涉及一种用于产生纳米结构的方法,以便在金属片(10)的表面上获得具有规定厚度的纳米结构层的区域,其特征在于,其包括:用于投影到该区域中的冲击点上的步骤 (10)的待处理表面,给定的持续时间,给定的速度和相同的冲击点处的可变的发生量,给定量的具有给定尺寸的完美球形球(22)在 投影; 以冲击点的移动重复前一步骤,使得作为一组的冲击点覆盖待处理的整个表面; 通过化学化合物扩散到在实施用于产生纳米结构的方法的步骤期间产生的纳米结构层中进行处理的步骤。