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    • 44. 发明授权
    • Super-high-strength line pipe excellent in low temperature toughness and production method thereof
    • 低温韧性优异的超高强度线管及其制造方法
    • US06532995B1
    • 2003-03-18
    • US09478653
    • 2000-01-06
    • Hitoshi AsahiHiroshi TamehiroTakuya HaraYoshio TeradaShigeru OhkitaKunio Koyama
    • Hitoshi AsahiHiroshi TamehiroTakuya HaraYoshio TeradaShigeru OhkitaKunio Koyama
    • F16L900
    • C22C38/12C22C38/04C22C38/08C22C38/44C22C38/46C22C38/58Y10T29/18
    • To provide a super-high strength line pipe that is excellent in low temperature toughness, can be field welded easily, and has a tensile strength of at least 900 MPa (exceeding ×100 of the API standard), and a production method thereof. The present invention relates to a super-high strength line pipe produced by shaping a steel plate into a pipe shape and arc welding seam portions, the strength of a base steel portion is 900 to 1,100 MPa and the strength of the weld metal is higher than the base steel strength −100 MPa. In the steel pipe, the Ni content of the weld metal is higher by at least 1% than that of the base steel. The combination of the chemical components of the steel plate with those of the weld metal, for accomplishing these steel pipes by a U&O step is shown concretely. A production method of the steel plate and the welding method for achieving the steel pipe are also described. Furthermore, a method of reducing the strength of the inner surface of the weld metal to restrict cracking at the time of pipe expansion is also shown.
    • 为了提供低温韧性优异的超高强度线管,可以容易地进行现场焊接,并且具有至少900MPa(超过API标准的×100)的拉伸强度及其制造方法。 本发明涉及一种通过将钢板成形为管状和电弧焊缝部而制造的超高强度线管,基部钢的强度为900〜1100MPa,焊接金属的强度高于 基钢强度-100MPa。 在钢管中,焊接金属的Ni含量比基体钢高1%以上。 具体地说,钢板的化学成分与焊接金属的化学成分的组合,通过U&O工序来实现这些钢管。 还描述了钢板的制造方法和用于实现钢管的焊接方法。 此外,还示出了降低焊接金属内表面的强度以限制管膨胀时的开裂的方法。
    • 46. 发明申请
    • HYDROPHILIC SHEET AND METHOD OF IMPARTING ULTRAHIGH HYDROPHILICITY TO SURFACE OF BASE MATERIAL
    • 将超声波水凝胶渗透到基材表面的疏水性片材和方法
    • US20110014432A1
    • 2011-01-20
    • US12933329
    • 2009-02-16
    • Yoshio Terada
    • Yoshio Terada
    • B32B3/00C23C16/44C23C16/48
    • C23C14/226B08B17/06Y02T50/67Y10T428/24612
    • Provided is a hydrophilic sheet which has high wettability by water, from which an adherent fouling substance or adherent foreign matter can be easily removed by washing with water, and which can be prevented from fogging due to water-drop adhesion. Also provided is a method of imparting high wettability by water to the surface of any appropriate base material. A hydrophilic sheet of the present invention includes, on a surface of a support, an assembly layer of oblique columnar structures each protruding at an elevation angle from the surface of less than 90°, and the surface of the assembly layer has a water contact angle of 10° or less. In addition, a method of imparting ultrahigh hydrophilicity to a surface of a base material the present invention is a method of imparting ultrahigh hydrophilicity to the surface of the base material, the method including forming, on the surface of the base material, an assembly layer of oblique columnar structures each protruding at an elevation angle from the surface of less than 90° by an oblique deposition process.
    • 本发明提供一种亲水性片材,其通过水具有高的润湿性,通过用水洗涤可以容易地除去粘附的污物或附着的异物,并且可以防止由于水滴粘附而引起的起雾。 还提供了通过水赋予任何适当基材表面的高润湿性的方法。 本发明的亲水性片材在支撑体的表面上包括倾斜柱状结构的组装层,每个倾斜柱状结构从表面以小于90°的方式突出,并且组装层的表面具有水接触角 为10°以下。 此外,本发明的对基材表面赋予超高亲水性的方法是对基材表面赋予超高亲水性的方法,该方法包括在基材的表面上形成组装层 倾斜的柱状结构,通过倾斜沉积工艺,从小于90°的表面以仰角突出。