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1. 发明专利

JP2014070968A Ultrasonic inspection device and ultrasonic inspection method 审中-公开
标题翻译：超声波检查装置及超声波检查方法
公开(公告)号：JP2014070968A
公开(公告)日：2014-04-21
申请号：JP2012216297
申请日：2012-09-28
申请人： Babcock-Hitachi Co Ltd , バブコック日立株式会社
发明人： NAGASHIMA YOSHIAKI , MICHIGUCHI YOSHIHIRO , KIKUHARA SEIJI
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic inspection device capable of detecting a damage occurring in a welding heat affected zone selectively, easily in a short time.SOLUTION: The ultrasonic inspection device for inspecting a weld part using ultrasonic wave includes at least one ultrasonic sensor and an operation section. The ultrasonic sensor transmits ultrasonic wave to the weld part and receives the reflected wave. The operation section identifies a weld heat affected zone on the basis of a first received signal acquired by scanning the weld part with the ultrasonic sensor for region identification (step S101), detects a weld defect or damage in the weld part on the basis of a second received signal acquired by scanning the weld part with the ultrasonic sensor for damage analysis, extracts a damage existing in the identified weld heat affected zone 10C (step S102), and calculates a damage rate as a degree of the extracted damage (step S104).
摘要翻译：要解决的问题：提供一种能够在短时间内容易地选择性地检测焊接热影响区域中的损伤的超声波检查装置。解决方案：使用超声波检查焊接部分的超声波检查装置包括至少一个超声波传感器和操作部分。超声波传感器将超声波发送到焊接部并接收反射波。操作部基于通过用用于区域识别的超声波传感器扫描焊接部所获取的第一接收信号来识别焊接热影响区域（步骤S101），基于以下方式检测焊接部的焊接缺陷或损伤通过用用于损伤分析的超声波传感器扫描焊接部分而获取的第二接收信号，提取在所识别的焊接热影响区域10C中存在的损伤（步骤S102），并计算作为提取的损伤程度的损伤率（步骤S104）。

2. 发明专利

JP2013140112A Ultrasonic damage detecting apparatus and ultrasonic damage detection method 审中-公开
标题翻译：超声波损伤检测装置及超声波损伤检测方法
公开(公告)号：JP2013140112A
公开(公告)日：2013-07-18
申请号：JP2012000968
申请日：2012-01-06
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： MICHIGUCHI YOSHIHIRO , KIKUHARA SEIJI , NAGASHIMA YOSHIAKI
IPC分类号： G01N29/04 , G01N29/24
摘要： PROBLEM TO BE SOLVED: To solve the problem of the conventional damage detecting apparatus and method for the inside of a material, detecting a nonlinear phenomenon by identifying frequencies in which: a signal having a large wave number is required to identify harmonics and partial harmonics; when a signal duration time is long, the accuracy of depth detection deteriorates, and a reflection wave from other parts and a reflection wave dependent on the shape of an analyte are measured thereby generating unnecessary noise signals; and it is difficult to surely detect damage at an early stage when the damage occurs.SOLUTION: Two ultrasonic waves having different frequencies to each other are used, one of which generates a nonlinear phenomenon and the other of which detects a nonlinear effect. Transmission timing of the ultrasonic wave for detecting a nonlinear phenomenon is controlled corresponding to respective positions of tension and compression stresses of the ultrasonic wave for generating a nonlinear phenomenon. A difference between reflection signals measured respectively at the positions of tension and compression stresses is detected to surely detect whether or not the nonlinear phenomenon occurs.
摘要翻译：要解决的问题为了解决传统的损伤检测装置和材料内部的方法的问题，通过识别频率来检测非线性现象，其中需要具有大波数的信号来识别谐波和部分谐波; 当信号持续时间长时，深度检测的精度恶化，并且测量其他部分的反射波和取决于分析物的形状的反射波，从而产生不必要的噪声信号; 并且在发生损伤的早期难以确定地检测到损伤。解决方案：使用两个具有不同频率的超声波，其中一个产生非线性现象，另一个检测非线性效应。对应于用于产生非线性现象的超声波的张力和压缩应力的各个位置来控制用于检测非线性现象的超声波的传输定时。检测分别在张力和压缩应力位置测量的反射信号之间的差异，以确定是否发生非线性现象。

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