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    • 6. 发明授权
    • Double-cantilever beam type test piece and corrosive environmental crack
growth measuring apparatus
    • 双悬臂式试验片和腐蚀性环境裂纹扩展测量装置
    • US5317925A
    • 1994-06-07
    • US671038
    • 1991-03-18
    • Makoto HayashiSatoshi KannoNaoto Saito
    • Makoto HayashiSatoshi KannoNaoto Saito
    • G01N17/00G01N3/00G01N3/02G01N3/06G01N3/08G01N3/32G01N27/20G21C17/003G01N19/00
    • G01N3/08G01N27/20G01N2203/0066G01N2203/024G01N2203/027G01N2203/0617
    • A corrosive environmental crack length measuring apparatus including a double-cantilever beam type test piece having a tapered portion in a portion where the crack grows, a slit, and at least two holes, with the test piece being placed within a corrosive environment. Leads inserted in the holes of the test piece to be spot-welded thereto to supply a direct current to the holes. A current polarity switching device is provided with, a stabilized direct current power supply connected with the direct current supplying leads through the current polarity switching device. Potential difference measuring leads are inserted in holes formed in two outer faces of the double-cantilever beam type test piece parallel to a section of a crack growing portion at a plurality of points along the crack growing direction so as to be spot-welded thereto. A multiplexer is provided with, a micro-voltmeter connected with the potential difference measuring leads through the multiplexer, and an arithmetic unit judges crack length based on ratios between potential differences measured by switching the polarity of direct current using the current polarity switching device.
    • 一种腐蚀性环境裂纹长度测量装置,包括在所述裂纹生长的部分中具有锥形部分的双悬臂梁型试验片,狭缝和至少两个孔,所述试验片放置在腐蚀环境中。 插入试件的孔中的引线被点焊,以将直流电流提供给孔。 电流极性开关装置具有通过电流极性开关装置与直流电源线连接的稳定的直流电源。 将潜在差测量引线插入在双悬臂梁式试验片的两个外表面上形成的孔中,该孔与沿裂纹生长方向的多个点处的裂纹扩展部分的一段平行,以便点焊。 多路复用器具有通过多路复用器与电位差测量引线连接的微电压计,并且运算单元基于使用电流极性切换装置切换直流电流的极性而测量的电位差之间的比率来判定裂纹长度。
    • 7. 发明授权
    • Corrosive environment sensor, corrosive environment measuring apparatus
and corrosive environment control system
    • 腐蚀性环境传感器,腐蚀性环境测量仪器和腐蚀性环境控制系统
    • US5556596A
    • 1996-09-17
    • US308542
    • 1994-09-21
    • Makoto HayashiSatoshi KannoNaoto Saito
    • Makoto HayashiSatoshi KannoNaoto Saito
    • G01N3/32G01N3/00G01N3/02G01N3/20G01N17/00G01N27/26C01N17/00
    • G01N3/20G01N17/00G01N2203/0066G01N2203/024
    • A corrosive environment sensor comprises an elongate metal member having a pair of beam portions, each extending in a length direction between first and second ends of the metal member, and having a crack growth portion formed therein and extending in the length direction of the metal member from a crack starting end toward the second end, wherein the crack starting end is at an intermediate position between the first and second ends of the metal member and is between the pair of beam portions, a changeable load member having an expansible chamber disposed between the beam portion around the first end of the metal member and a means for supplying pressurized fluid to the expansible chamber. The changeable load member applies a load to the crack growth portion and the means for supplying pressurized fluid to the expansible chamber is responsible for ensuring that the displacement of the beam portions is accomplished in such a manner so as to provide a constant stress intensity factor at a crack growing point.
    • 腐蚀性环境传感器包括细长金属构件,其具有一对梁部分,每一个梁部分沿金属构件的第一和第二端之间的长度方向延伸,并且在其中形成有裂纹扩展部分,并且在金属构件的长度方向上延伸 从裂纹起始端朝向第二端,其中裂纹起始端处于金属构件的第一和第二端之间的中间位置,并且位于一对梁部之间,可变载荷构件具有可扩张室, 围绕金属构件的第一端的梁部分和用于将加压流体供应到可膨胀室的装置。 可变负载构件向裂纹扩展部分施加负载,并且用于向可膨胀室供应加压流体的装置负责确保梁部分的位移以这样的方式实现,以便在 一个裂缝增长点。
    • 8. 发明授权
    • Corrosive environment sensor, corrosive environment measuring apparatus
and corrosive environment control system
    • 腐蚀性环境传感器,腐蚀性环境测量仪器和腐蚀性环境控制系统
    • US5378429A
    • 1995-01-03
    • US74320
    • 1993-06-09
    • Makoto HayashiSatoshi KannoNaoto Saito
    • Makoto HayashiSatoshi KannoNaoto Saito
    • G01N3/32G01N3/00G01N3/02G01N3/20G01N17/00G01N27/26G01N19/08
    • G01N3/20G01N17/00G01N2203/0066G01N2203/024
    • A corrosive environment sensor comprises an elongate member having a pair of elongate beam portions and a crack growth portion formed between the pair of beam portions so as to extend axially, and a wedge inserted between the pair of beam portions, wherein the crack growth portion has width thereof defined by quadratic curves extending axially so as to decrease from an axially intermediate portion of the sensor member to an axially intermediate portion of the crack growth portion and increase from the axially intermediate portion of the crack growth portion toward an end of the sensor member. The quadratic curves each consist of a first circular arc with first radius between the axially intermediate portion of the sensor member and the axially intermediate portion of the crack growth portion and a second circular arc with second radius less than the first radius between the axially intermediate portion of the crack growth portion and around the second end of the sensor member. There are further disclosed a corrosive environment measuring apparatus employing the above-mentioned corrosive environment sensor, and a corrosive environment control system employing the above-mentioned corrosive environment measuring apparatus.
    • 腐蚀性环境传感器包括细长构件,其具有一对细长的梁部分和在所述一对梁部分之间形成以便轴向延伸的裂纹扩展部分,以及插入在所述一对梁部分之间的楔形物,其中所述裂纹扩展部分具有 其宽度由沿轴向延伸的二次曲线限定,以便从传感器构件的轴向中间部分减小到裂纹增长部分的轴向中间部分,并且从裂纹扩展部分的轴向中间部分向传感器构件的端部增加 。 二次曲线各自包括第一圆弧,其第一半径在传感器构件的轴向中间部分与裂纹扩展部分的轴向中间部分之间,第二圆弧的第二半径小于轴向中间部分之间的第一半径 的裂纹生长部分和传感器部件的第二端周围。 还公开了采用上述腐蚀性环境传感器的腐蚀性环境测量装置和采用上述腐蚀性环境测量装置的腐蚀性环境控制系统。
    • 9. 发明授权
    • Pulse laser processing device
    • 脉冲激光加工装置
    • US09012806B2
    • 2015-04-21
    • US13139480
    • 2009-11-06
    • Makoto Hayashi
    • Makoto Hayashi
    • B23K26/08B23K26/06
    • B23K26/083B23K26/0622B23K26/0626B23K26/0869
    • Provide a pulse laser processing device which facilitates stable microfabrication of the surface of a large target processing material, and an increase in the speed of microfabrication. The pulse laser processing device includes a reference clock oscillating circuit which generates a clock signal, a laser oscillator which emits a pulse laser beam synchronized with the clock signal, a laser scanner which scans a pulse laser beam only in a one-dimensional direction in synchronization with the clock signal, a stage on which the target processing material can be placed and which moves in a direction orthogonal to the one-dimensional direction, and a pulse picker which is provided on an optical path between the laser oscillator and laser scanner and which switches pass and block of the pulse laser beam in synchronization with the clock signal.
    • 提供脉冲激光加工装置,其有助于大型目标加工材料的表面的稳定的微细加工,以及微细加工的速度的提高。 脉冲激光处理装置包括产生时钟信号的参考时钟振荡电路,发射与时钟信号同步的脉冲激光束的激光振荡器,同步扫描脉冲激光束的激光扫描器,该激光扫描器仅沿一维方向扫描脉冲激光束 利用时钟信号,可以放置目标处理材料并且在与一维方向正交的方向上移动的阶段,以及设置在激光振荡器和激光扫描仪之间的光路上的脉冲拾取器, 与时钟信号同步地切换脉冲激光束的通过和阻塞。
    • 10. 发明申请
    • FLAMEPROOF RAYON FIBER, METHOD FOR MANUFACTURING THE SAME AND FLAMEPROOF FIBER STRUCTURE
    • FLAMEPROOF RAYON纤维,其制造方法和FLAMEPROOF纤维结构
    • US20120015185A1
    • 2012-01-19
    • US13258979
    • 2009-12-28
    • Shigeo FushitaniMakoto Hayashi
    • Shigeo FushitaniMakoto Hayashi
    • D02G3/00D01F2/02D01F8/02
    • D01F2/10Y10T428/2913
    • A flameproof rayon fiber having excellent flameproofness as well as excellent flame retardance, a method for manufacturing the same, and a flameproof fiber structure are provided. The flameproof rayon fiber according to the present invention includes components of silicon and sodium. Glass remains when the fiber is burned at 800° C., the glass component has a property of softening at 800° C., and when subjected to an X-ray fluorescence analysis, the rayon fiber has a silicon content in the range of 5 to 30% by mass and a sodium content in the range of 0.1 to 3% by mass. The flameproof rayon fiber according to the present invention can be manufactured by preparing an undiluted viscose solution; adding a solution containing a silicate compound containing an alkali metal to the undiluted viscose solution so as to make an alkali metal-containing silicate compound-added viscose solution; performing spurning by extruding the alkali metal-containing silicate compound-added viscose solution through a spinneret into a spinbath containing sulfuric acid, thus producing a fiber to be treated containing the silicate compound; and treating, in a scouring or aftertreatment process, the fiber to be treated with a solution having a pH in the range of 4 to 11 and a buffer action and containing sodium. A flameproof fiber structure of the present invention contains at least 30% by mass of the flameproof rayon fiber.
    • 提供具有优异的隔爆性和优异的阻燃性的防火人造丝纤维,其制造方法和防火纤维结构体。 根据本发明的防火人造丝纤维包括硅和钠的组分。 当纤维在800℃下燃烧时玻璃残留,玻璃组分具有在800℃下软化的性质,当进行X射线荧光分析时,人造丝纤维的硅含量范围为5 至30质量%,钠含量为0.1〜3质量%的范围。 根据本发明的防火人造丝纤维可以通过制备未稀释的粘胶溶液来制造; 向未稀释的粘胶溶液中加入含有碱金属的硅酸盐化合物的溶液,制成含有碱金属的硅酸盐化合物的粘胶溶液; 通过将含有碱金属的含硅酸盐化合物的粘胶溶液通过喷丝头挤出到含有硫酸的纺丝浴中进行甩干,从而制造含有硅酸盐化合物的待处理纤维; 并且在洗涤或后处理过程中用pH为4至11的溶液和缓冲作用并含有钠的待处理纤维进行处理。 本发明的防火纤维结构体含有至少30质量%的防火人造丝纤维。