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    • 1. 发明专利
    • Method and device for non-destructive material inspection by laser ultrasonic wave
    • 激光超声波非破坏性材料检测方法与装置
    • JP2005147813A
    • 2005-06-09
    • JP2003384573
    • 2003-11-14
    • Kansai Electric Power Co Inc:TheLaser Gijutsu Sogo KenkyushoNon-Destructive Inspection Co Ltd財団法人レーザー技術総合研究所関西電力株式会社非破壊検査株式会社
    • UCHIDA SHIGEAKIOREG KOCHAEVHASHIMOTO KAZUHISAMATSUBARA SHIGEYUKIMATSUI SHIGEKI
    • E02D33/00G01N29/00
    • PROBLEM TO BE SOLVED: To allow very precise, accurate and reliable inspection, of course when a material surface is a specular face, and even when a rough surface such as a surface of a concrete structure.
      SOLUTION: In this nondestructive material inspection device, a pulse laser beam from a pulse laser 20 is emitted toward the material surface of a measured object via a movable mirror 7 to generate an elastic wave (ultrasonic wave), a laser beam from a continuous oscillation laser 1 for a signal is branched by a polarization beam splitter 4, one thereof is emitted as a probe beam to the material surface coaxially with the pulse laser beam via the movable mirror 7, a reflected beam is transferred as a signal beam with a wave front deformed by an influence of a scattering face on the material surface and the elastic wave, and phase-modulated, the signal beam and a reference beam are made to get incident, crossed with a prescribed angle, into a laser beam interferometer by a photorefractive crystal 9, and the presence of a defect in an inside of a material is detected based on a change in the phase modulation of an interfered beam therein.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了允许非常精确,准确和可靠的检查,当然,当材料表面是镜面时,甚至当诸如混凝土结构的表面的粗糙表面时。 解决方案:在这种非破坏性材料检测装置中,来自脉冲激光器20的脉冲激光束经由可移动反射镜7向测量物体的材料表面发射以产生弹性波(超声波),来自 用于信号的连续振荡激光器1由偏振分束器4分支,其中一个作为探测光束通过可移动反射镜7与脉冲激光束同轴地发射到材料表面,反射光束作为信号光束传送 波面由材料表面上的散射面和弹性波的影响而变形,并进行相位调制,使信号光束和参考光束以规定的角度入射到激光束干涉仪中 通过光折射晶体9,并且基于其中的干涉光束的相位调制的变化来检测材料内部的缺陷的存在。 版权所有(C)2005,JPO&NCIPI
    • 2. 发明专利
    • Flaw detection method and flaw detector used therein
    • FLAW检测方法和FLAW检测器
    • JP2008164397A
    • 2008-07-17
    • JP2006353408
    • 2006-12-27
    • Non-Destructive Inspection Co Ltd非破壊検査株式会社
    • YABUSHITA HIDEKINAGAI TATSUYUKISHIROSHITA SATORUMATSUBARA SHIGEYUKI
    • G01N29/04G01N29/44
    • PROBLEM TO BE SOLVED: To provide a flaw detection method capable of simply detecting the flaw produced in an inspection target part difficult to inspect, such as, a welded part at a high speed in a non-contact state, regardless of the thickness and the material of an inspection target, the shape of the welded part, or the like, and to provide a flaw detector used therein.
      SOLUTION: Ultrasonic waves are transmitted to the inspection target from a probe, while the ultrasonic waves that propagate through the inspection target are received, to detect the flaw of the inspection target part by the receiving signal. The probe is scanned along the inspection target part in a non-contact state, and the respective receiving signals of a plurality of kinds of the ultrasonic waves propagated through the inspection target are displayed as the image of at least either of a B-scope or a C-scope. The flaw is detected on the basis of the existence of the change part R2 in the image.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够简单地检测难以检查的检查对象部件中产生的缺陷的缺陷检测方法,例如非接触状态下的高速焊接部,而不管 厚度和检查对象的材料,焊接部件的形状等,并提供其中使用的缺陷检测器。 解决方案:超声波从探头传输到检查对象,同时接收通过检查目标传播的超声波,以通过接收信号检测检查对象部分的缺陷。 以非接触状态沿检查对象部分扫描探针,并且通过检查对象传播的多种超声波的各个接收信号被显示为B范围或 一个C范围。 基于图像中的变化部分R2的存在来检测缺陷。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Flaw detection method and flaw detector used therefor
    • FLAW检测方法及其使用的FLAW检测器
    • JP2008164396A
    • 2008-07-17
    • JP2006353406
    • 2006-12-27
    • Non-Destructive Inspection Co Ltd非破壊検査株式会社
    • YABUSHITA HIDEKINAGAI TATSUYUKISHIROSHITA SATORUMATSUBARA SHIGEYUKI
    • G01N29/04G01N29/44
    • PROBLEM TO BE SOLVED: To provide a flaw detection method capable of simply and quickly detecting the flaws produced in an inspection target part that is difficult to inspect a welded part, or the like, irrespective of the thickness and kind of inspection target, the shape of the welded part, and so on, and to provide a flaw detector used for the method.
      SOLUTION: An ultrasonic wave is transmitted to the inspection target from a probe while the ultrasonic wave propagated through the inspection target is received to detect the flaw of the inspection target part by the receiving signal. The probe is scanned along the inspection target part and the respective receiving signals of a plurality of kinds of the ultrasonic waves that propagate through the inspection target are displayed as a B scope image, having the scanning direction of the probe and the thickness direction of the inspection target as axes. The flaw is detected on the basis of the existence of a change part R2 in the B scope image.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够简单且快速地检测在难以检查焊接部等的检查对象部中产生的缺陷的缺陷检测方法,而与检查对象的厚度和种类无关 ,焊接部件的形状等,并提供用于该方法的探伤仪。 解决方案:接收超声波通过检测对象传播的超声波从探头发送到检查对象,以通过接收信号检测检查对象部位的缺陷。 沿着检查对象部分扫描探针,并且将通过检查对象传播的多种超声波的各自的接收信号显示为具有探针的扫描方向和探针的厚度方向的B范围图像 检查目标为轴。 基于B范围图像中的变化部分R2的存在来检测缺陷。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Ultrasonic inspection device and inspection method using the same
    • 超声波检查装置及使用该检测装置的检查方法
    • JP2005055197A
    • 2005-03-03
    • JP2003206032
    • 2003-08-05
    • Natl Space Development Agency Of JapanNon-Destructive Inspection Co Ltd宇宙開発事業団非破壊検査株式会社
    • SHIRAI MAKOTOMIYAMOTO HIROSHIMATSUBARA SHIGEYUKI
    • G01N29/04G01N29/06
    • G01N29/0609
    • PROBLEM TO BE SOLVED: To provide an ultrasonic inspection device for rapidly and precisely determining defects such as exfoliation seen in a composite material without immersing a test body in water or coating it with a contact medium, and also to provide an inspection method using the same inspection device.
      SOLUTION: An ultrasonic wave is inlet via air into the test body from a transmission element 30 to generate a plate wave in the test body. The ultrasonic wave coming from within the test body is received via air by a reception element 40, thereby inspecting the test body. At least two or more pairs, each pair comprising a transmission element and a reception element, are disposed, and the disposition is performed so that line segments L1 to L4 connecting the pair-forming transmission and reception elements 30a to 30d and 40a to 40d intersect each other in top plan view. A signal processor 76 is provided which merges together respective reception signals received by the plurality of reception elements.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种超声波检查装置,用于在将试验体浸入水中或用接触介质涂覆的同时快速且精确地确定复合材料中看到的剥离等缺陷,并提供检查方法 使用相同的检查装置。 解决方案:超声波通过空气从传输元件30进入测试体,在测试体中产生平板波。 来自测试体内的超声波由接收元件40通过空气接收,从而检查测试体。 设置至少两个或更多对,每对包括传输元件和接收元件,并且执行配置,使得连接成对发送和接收元件30a至30d和40a至40d的线段L1至L4相交 彼此在俯视图中。 提供信号处理器76,其将由多个接收元件接收的各个接收信号合并在一起。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Ultrasonic inspection method and ultrasonic inspection device used therefor
    • 超声检查方法及其使用的超声波检查装置
    • JP2008164394A
    • 2008-07-17
    • JP2006353359
    • 2006-12-27
    • Japan Aerospace Exploration AgencyNon-Destructive Inspection Co Ltd独立行政法人 宇宙航空研究開発機構非破壊検査株式会社
    • MATSUBARA SHIGEYUKIKITAJIMA MAKOTOYABUSHITA HIDEKINEMOTO NORIOMIYAMOTO HIROSHIMIWA SABURO
    • G01N29/04G01N29/00
    • PROBLEM TO BE SOLVED: To provide an ultrasonic inspection method capable of rapidly and accurately detecting flaws, such as release of interface, even in a multilayered structure containing a thin plate member, such as, a thin plate using a simple constitution, and also to provide an ultrasonic inspection device used for the method. SOLUTION: A test target 100 is positioned on the incident side of an ultrasonic wave and comprises the multilayered structure of at least two layers, containing a first member 101 permitting the ultrasonic waves for transmission and a second member 102 through which plate waves can propagate. Ultrasonic waves are made incident, from the first member 101 to generate the plate waves in the second member 102 and the leak wave produced from the plate waves which propagated through the second member 102 is received. The flaw existing between a transmitter 30 or a receiver 40 and the second member 102, in the transmission-reception direction of the ultrasonic wave of the transmitter 30 or the receiver 40, is detected by the amplitude of the receiving signal. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使在包含薄板构件的多层结构(例如使用简单结构的薄板)中,提供能够快速且准确地检测诸如释放界面的缺陷的超声波检查方法, 并且还提供用于该方法的超声波检查装置。 解决方案:测试对象100位于超声波的入射侧,并且包括至少两层的多层结构,其包含允许用于透射的超声波的第一构件101和第二构件102,板波 可以传播。 从第一构件101入射超声波,以在第二构件102中产生平板波,并且接收从通过第二构件102传播的平板波产生的泄漏波。 在发射机30或接收机40的超声波的发送接收方向上,发射机30或者接收机40与第二部件102之间存在的缺陷被接收信号的振幅检测出来。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Ultrasonic inspection device and inspection method using the device
    • 超声波检查装置和使用该装置的检查方法
    • JP2005055200A
    • 2005-03-03
    • JP2003206096
    • 2003-08-05
    • Non-Destructive Inspection Co Ltd非破壊検査株式会社
    • YOKONO YASUKAZUMATSUBARA SHIGEYUKI
    • G01N29/06G01N29/24G01N29/26G01N29/20
    • PROBLEM TO BE SOLVED: To provide an ultrasonic inspection device which can evaluate material degradation such as heat embrittlement and damages such as intergranular corrosion using a non-destructive manner especially at a site, and to provide an inspection method using the device.
      SOLUTION: The device generates surface waves on the surface of a specimen S by irradiating ultrasonic waves from transmission oscillators 30 to the specimen S and receives surface waves or leaky waves caused by the surface waves by reception oscillators 40 to inspect the specimen. At least 2 pairs of the transmission oscillator 30 and reception oscillator 40 are provided so that lines L1-L4 each of which connects the pair of the transmission oscillators 30a-d and the reception oscillator 40a-d, respectively, crosses each other. The device comprises a signal processing means 76 which can synthesize signals received by the reception oscillator 40a-d.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够以非破坏性的方式特别是在现场评估诸如热脆性和晶间腐蚀等材料劣化的材料劣化的超声波检查装置,并且提供使用该装置的检查方法。 解决方案:该装置通过从透射振荡器30照射超声波到样本S,在试样S的表面产生表面波,并接收由接收振荡器40由表面波引起的表面波或漏波,以检查样本。 设置至少2对发送振荡器30和接收振荡器40,使得分别连接一对发送振荡器30a-d和接收振荡器40a-d的线L1-L4彼此交叉。 该装置包括可以合成由接收振荡器40a-d接收的信号的信号处理装置76。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Ultrasonic inspection method and ultrasonic inspection apparatus
    • 超声波检查方法和超声波检查装置
    • JP2006214996A
    • 2006-08-17
    • JP2005030845
    • 2005-02-07
    • Non-Destructive Inspection Co Ltd非破壊検査株式会社
    • YABUSHITA HIDEKISAKAI HIDEAKIKITASAKA JUNICHIMATSUBARA SHIGEYUKI
    • G01N29/04G01N29/24
    • PROBLEM TO BE SOLVED: To provide an ultrasonic inspection method and an ultrasonic inspection method, capable of inspecting the inside of an inspection object, even when there are surfaces of the inspection object having irregularities or are made sloped.
      SOLUTION: Ultrasonic waves are transmitted and received by a probe 10, thereby detecting a defect S or flaws of the inspection object 100. A focus-type probe is used as the probe, and the focal point F of the probe is set at a position of an object to be detected being beyond the downstream side of an ultrasonic transmission. The probe makes the ultrasonic waves expand and propagate radially inside the inspection object, whereby a defect inspection can be carried out by projecting the ultrasonic waves onto the defect S or the like existing inside the inspection object, even if the surface of the inspection object has irregularities or is made sloped. If the probe concurrently make the part operate transmission and reception, the defect position is easily specified. Similarly, the defect position is easily specified, by displaying an image obtained by received ultrasonic waves in at least two dimensions.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供能够检查检查对象的内部的超声波检查方法和超声波检查方法,即使当检查对象的表面具有不规则性或倾斜时。 解决方案:超声波由探针10传送和接收,从而检测检查对象100的缺陷S或缺陷。使用聚焦型探针作为探针,并且设置探针的焦点F 在被检测体的位置超过超声波传播的下游侧。 探针使超声波在检查对象物内径向扩张扩散,由此即使检查对象的表面具有检测对象的表面,也可以将超声波投影到检查对象内部的缺陷S等上进行缺陷检查 不规则或倾斜。 如果探头同时使部件进行发送和接收,则容易指定缺陷位置。 类似地,通过在至少两个维度上显示由接收的超声波获得的图像,容易指定缺陷位置。 版权所有(C)2006,JPO&NCIPI