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1. 发明授权

US5955671A Method and apparatus for measurement of orientation in an anisotropic medium 失效
标题翻译：用于测量各向异性介质中取向的方法和装置
公开(公告)号：US5955671A
公开(公告)日：1999-09-21
申请号：US826252
申请日：1997-03-28
申请人： Robert Snee Gilmore , Ronald Alan Kline , John Broddus Deaton, Jr.
发明人： Robert Snee Gilmore , Ronald Alan Kline , John Broddus Deaton, Jr.
IPC分类号： G01N29/07 , G01N29/24 , G01N29/36 , G01N29/18
CPC分类号： G01N29/2456 , G01N29/0681 , G01N29/07 , G01N29/36 , G01N2291/0421 , G01N2291/0422 , G01N2291/0428 , G01N2291/101
摘要： A method and apparatus are provided for simultaneously measuring the anisotropic orientation and the thickness of an article. The apparatus comprises a transducer assembly which propagates longitudinal and transverse waves through the article and which receives reflections of the waves. A processor is provided to measure respective transit times of the longitudinal and shear waves propagated through the article and to calculate respective predicted transit times of the longitudinal and shear waves based on an estimated thickness, an estimated anisotropic orientation, and an elasticity of the article. The processor adjusts the estimated thickness and the estimated anisotropic orientation to reduce the difference between the measured transit times and the respective predicted transit times of the longitudinal and shear waves.
摘要翻译：提供了一种用于同时测量制品的各向异性取向和厚度的方法和装置。该装置包括一个换能器组件，其将纵波和横波传播通过制品并且接收波的反射。提供处理器以测量通过制品传播的纵向和横波的相应传播时间，并且基于估计的厚度，估计的各向异性取向和物品的弹性来计算纵向和横波的相应的预测传播时间。处理器调整估计的厚度和估计的各向异性方向，以减少所测量的传播时间与纵波和剪切波的相应预测传播时间之间的差异。

2. 发明授权

US07505853B2 Inspection of composite materials 失效
标题翻译：复合材料检验
公开(公告)号：US07505853B2
公开(公告)日：2009-03-17
申请号：US11495902
申请日：2006-07-27
申请人： Cody Royce Engstrand , Ronald Alan Kline
发明人： Cody Royce Engstrand , Ronald Alan Kline
IPC分类号： G01B5/30
CPC分类号： G01N29/069 , G01N29/262 , G01N29/44 , G01N2291/106 , G01N2291/263
摘要： Since ultrasonic velocities in anisotropic media can change by a factor of 3 or more depending on the direction of propagation, accounting for these changes is extremely important. Also many anisotropic materials are made up of multiple layers of varying orientation, hence the need to account for refraction at ply boundaries. In the present invention, an algorithm is used to calculate these velocities and travel times and properly account for refraction phenomena. Specifically a multilayer SAFT algorithm has been developed that will calculate the time shift, shift and sum A-scan waveforms in layered anisotropic media at any given depth, ply orientation, and number of plies. The algorithm showed an improvement in signal to noise ratio with synthetic data as was expected. This algorithm can be used as a replacement for homogenizing material properties in layered media and will calculate time shifts with increased accuracy since exact material properties are used.
摘要翻译：由于各向异性介质中的超声速度可以根据传播方向改变3倍以上，因此考虑到这些变化是非常重要的。还有许多各向异性材料由多个不同取向的层组成，因此需要考虑层间边界处的折射。在本发明中，使用算法来计算这些速度和行进时间并适当地考虑折射现象。具体来说，已经开发了一种多层SAFT算法，它可以计算任何给定深度，层取向和层数的层状各向异性介质中的时移，移位和和A扫描波形。该算法显示出合成数据的信噪比有所改善。该算法可以用作层状介质中均质材料性质的替代物，并且将使用精确的材料性质，以更高的精度计算时间偏移。

3. 发明授权

US07150193B2 Method for detection of defects in anisotropic materials 有权
标题翻译：检测各向异性材料缺陷的方法
公开(公告)号：US07150193B2
公开(公告)日：2006-12-19
申请号：US10747739
申请日：2003-12-29
申请人： Peter William Lorraine , Ronald Alan Kline
发明人： Peter William Lorraine , Ronald Alan Kline
IPC分类号： G01N29/18
CPC分类号： G01S15/8997 , G01N29/043 , G01N29/069 , G01N29/07 , G01N29/4463 , G01N2291/0231 , G01N2291/02854 , G01N2291/0289 , G01N2291/0421 , G01N2291/0422
摘要： Disclosed herein is a method for imaging anisotropic media comprising selecting multiple points within the anisotropic media, which is to be imaged; determining an acoustic path between each selected point in the anisotropic media and a receiver position on the surface of the anisotropic media; calculating an acoustic wave velocity at all necessary points; determining an acoustic path length based on each selected point in the anisotropic media and the receiver position; determining a time delay for each acoustic wave between each image point and the receiver position on the surface of the anisotropic media; calculating a sum for each point selected based on the appropriate acoustic wave velocities and the acoustic path lengths; and generating an image of the anisotropic media using the coherent sums generated for each said image point selected.
摘要翻译：本文公开了一种用于成像各向异性介质的方法，包括选择要成像的各向异性介质内的多个点; 确定各向异性介质中的每个选定点和各向异性介质表面上的接收器位置之间的声学路径; 计算所有必要点的声波速度; 基于各向异性介质中的每个选定点和接收器位置确定声学路径长度; 确定每个图像点与各向异性介质表面上的接收器位置之间的每个声波的时间延迟; 基于适当的声波速度和声学路径长度计算所选择的每个点的和; 以及使用为所选择的每个所述图像点生成的相干和生成各向异性介质的图像。

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