-
公开(公告)号：US20200088693A1
公开(公告)日：2020-03-19
申请号：US16609457
申请日：2018-04-25
发明人： Johannes Vrana , Hubert Mooshofer
摘要： Various embodiments include a method for ultrasonic testing of an object comprising: radiating ultrasound with an emitting unit of an emitter-receiver ultrasonic test head onto the object from a plurality of spatial positions of the emitter-receiver ultrasonic test head; acquiring a reflected time-dependent ultrasonic amplitude signal for each spatial position of the emitter-receiver ultrasonic test head with a receiving unit of the emitter-receiver ultrasonic test head, wherein the acquired ultrasonic amplitude signals form a test data set; and determining a SAFT amplitude for the volume element with a summation of the ultrasonic amplitude signals at the points in time which correspond to the runtimes of the ultrasound associated with the respective ultrasonic amplitude from the emitting unit to the volume element back to a receiving unit of the emitter-receiver ultrasonic test head.
-
公开(公告)号：US20160069843A1
公开(公告)日：2016-03-10
申请号：US14888781
申请日：2014-02-18
发明人： Uwe Buechner , Werner Heinrich , Karsten Kolk , Hans-Peter Lohmann , Hubert Mooshofer , Johannes Vrana
IPC分类号： G01N29/30
CPC分类号： G01N29/30 , G01N2291/0289
摘要： A sample disc for ultrasonic disc testing equipment includes a cut-out defining a lateral face extending along a radius of the sample disc and along an axis of symmetry of the sample disc. At least one planar sample defect is created through this lateral face of the disc.
摘要翻译： 用于超声波盘测试设备的样品盘包括限定沿着样品盘的半径并沿着样品盘的对称轴延伸的侧面的切口。 通过盘的侧面形成至少一个平面样品缺陷。
-
公开(公告)号：US09829468B2
公开(公告)日：2017-11-28
申请号：US14370651
申请日：2012-12-28
发明人： Werner Heinrich , Hubert Mooshofer
CPC分类号： G01N29/221 , G01N29/041 , G01N29/043 , G01N29/0645 , G01N29/069 , G01N29/2487 , G01N29/262 , G01N29/265 , G01N29/32 , G01N29/4418 , G01N29/4427 , G01N2291/044 , G01N2291/101 , G01S15/8997
摘要： A device and a method for detecting at least one defect in a test object (2). At least one test head (1) radiates an ultrasonic signal at different measuring points (MP) into the test object (2) with each point at an insonation or radiation angle (α) in order to ascertain multiple measurement data sets (MDS). The angle is constant for each data set (MDS). An analyzing unit (4) carries out an SAFT (Synthetic Aperture Focusing Technique) analysis for each ascertained measurement data set (MDS) using a common reconstruction grid (RG) inside the test object (2) in order to calculate an SAFT analysis result for each measurement data set (MDS). The analyzing unit (4) superimposes the calculated SAFT analysis results in order to calculate an orientation-independent defect display value (SRP) for each reconstruction point (RP) of the common reconstruction grid (RG).
-
公开(公告)号：US09778359B2
公开(公告)日：2017-10-03
申请号：US14762648
申请日：2014-01-13
IPC分类号： G01S15/89 , G01N29/06 , G01N29/11 , G01N29/22 , G01N29/265
CPC分类号： G01S15/8997 , G01N29/069 , G01N29/11 , G01N29/225 , G01N29/226 , G01N29/265 , G01N2291/044 , G01S15/899
摘要： A method for the ultrasound check of a test object involves moving a test probe along a test probe surface and sending ultrasound impulses into the test object by the test probe. Respective echo signals corresponding with the emitted ultrasound impulses are received by the test probe. An image of a predetermined test region of the test object is prepared on the basis of an overlapping and averaging of amplitude values of the received echo signals by a data processing unit. The respective position of the test probe when sending the ultrasound signals and/or when receiving the corresponding echo signals is captured by a capturing unit. The respectively captured positions of the test probe are considered when creating the image of the test region of the test object.
-
公开(公告)号：US20210148862A1
公开(公告)日：2021-05-20
申请号：US16625410
申请日：2018-06-04
发明人： Johannes Vrana , Hubert Mooshofer
摘要： Various embodiments include methods for creating an analysis data set for an evaluation of an ultrasonic test of an object comprising: providing a first and second measurement data set, each based on an ultrasonic measurement of a region of the object and a SAFT analysis thereof; associating a first equivalent defect size with a volume element of the first measurement data set associated with at least a portion of the region; associating a second equivalent defect size with a volume element of the second measurement data set associated with at least the portion of the region; creating the analysis data set having at least one volume element which is associated with at least the portion of the region; and associating a third equivalent defect size with the volume element of the analysis data set, wherein the third is formed from the maximum of the first and second sizes.
-
公开(公告)号：US10168301B2
公开(公告)日：2019-01-01
申请号：US14898165
申请日：2014-05-07
发明人： Rainer Böhm , Karl Fendt , Werner Heinrich , Hubert Mooshofer
摘要： A method and a device for defect-size evaluation of defects in a test object in ultrasonic testing is provided. In particular, the method and device also allows systematic determination of defect sizes based on the SAFT method. This is done by simulating defects in a test object on the basis of a defined test scenario, and comparing these simulations with actually recorded measured values.
-
7.发明授权Method and device for determining an orientation of a defect present within a mechanical component 有权用于确定存在于机械部件内的缺陷的取向的方法和装置公开(公告)号：US09329155B2
公开(公告)日：2016-05-03
申请号：US14803388
申请日：2015-07-20
CPC分类号： G01N29/4445 , G01N29/04 , G01N29/043 , G01N29/069 , G01N2291/044
摘要： A technique is provided for determining an orientation of a defect present within a mechanical component using at least one ultrasonic head that applies ultrasonic signals to the mechanical component starting from various measurement points. Echo ultrasonic signals reflected by a point to be analyzed present within the component back to the measurement points are received by the same or a different ultrasonic head. A data processing unit analyzes the received echo ultrasonic signals as a function of a sound emission direction between each measurement ping and the point to be analyzed for determining the orientation of the defect. A distance between the measurement point and the point to be analyzed is calculated for every measurement point as a function of a signal propagation time between the point in time of emitting the ultrasonic signal and the point in time of receiving the echo ultrasonic signal reflected by a defect.
摘要翻译： 提供一种技术，用于使用至少一个超声波头来确定存在于机械部件内的缺陷的取向，所述超声波头从各种测量点开始向机械部件施加超声波信号。 通过相同或不同的超声波头接收由组件内存在的待分析点反射到测量点的回波超声波信号。 数据处理单元根据每个测量ping和要分析的点之间的声音发射方向来分析接收的回波超声波信号，以确定缺陷的取向。 对于每个测量点，计算测量点和要分析的点之间的距离，作为发射超声信号的时间点与接收到由超声波信号反射的回波超声波信号的时间点之间的信号传播时间的函数 缺陷。
-
公开(公告)号：US20210364471A1
公开(公告)日：2021-11-25
申请号：US16625519
申请日：2018-06-04
摘要： Various embodiments include a method for creating an evaluation table for an ultrasonic inspection of an object comprising: simulating a scattering of ultrasound on a defect having an established defect size using a computer-implemented two-dimensional or three-dimensional simulation, wherein the defect size is less than or equal to the wavelength of the ultrasound and the simulation takes into consideration a mode conversion of the ultrasound by the defect; ascertaining the reflectivity of the defect from the simulation; and creating the evaluation table by means of an assignment of the ascertained reflectivity to the established defect size of the defect.
-
公开(公告)号：US20210116421A1
公开(公告)日：2021-04-22
申请号：US16608606
申请日：2018-04-25
摘要： Various embodiments include a method for ultrasonic testing using a selection of probes. In some embodiments, the method includes: ascertaining a set of shortest required respective latencies between two successive pulses for all possible firing sequences; calculating an optimized firing sequence of the shortest possible test cycle of the probes; and controlling the probes based on the optimized firing sequence to conduct an ultrasonic test.
-
公开(公告)号：US10222352B2
公开(公告)日：2019-03-05
申请号：US14761833
申请日：2013-10-23
发明人： Hubert Mooshofer
IPC分类号： G01N29/04 , G01N29/24 , G01N29/34 , G01N29/44 , G01S15/89 , G01N29/06 , G01N29/26 , G01N29/265 , G01S7/52
摘要： The invention relates to a method and to a corresponding device in which irregularities regarding each detected measurement position within a measurement surface are detected using a local measurement density. Each echo signal received in response to each detected measurement position is then weighted in order to generate an image using a data processing device such that the irregularities are adjusted.
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.016 秒)
