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1. 发明申请

US20140000369A1 METHOD OF MEASURING A CRYSTALLOGRAPHIC ORIENTATION OF AN OBJECT 有权
标题翻译：测量对象的晶体取向的方法
公开(公告)号：US20140000369A1
公开(公告)日：2014-01-02
申请号：US13917055
申请日：2013-06-13
申请人： ROLLS-ROYCE PLC
发明人： Christopher John Leslie LANE
IPC分类号： G01N29/04
CPC分类号： G01N29/041 , G01N29/07 , G01N29/343 , G01N2291/0289 , G01N2291/0423 , G01N2291/103 , G01N2291/106
摘要： A method of measuring a crystallographic orientation of an object using an ultrasonic transducer and a detector array including a plurality of ultrasonic detectors includes: determining a minimum distance between the transducer and the detector of the detector array closest to the transducer; placing the transducer and the detector array in contact with a surface of the object such that the transducer and the detector of the detector array closest to the transducer are separated by at least the minimum distance; using the transducer to generate an ultrasonic surface wave pulse in the surface of the object, the ultrasonic surface wave pulse having a pulse duration and including a longitudinal surface wave and a Rayleigh wave; and measuring a time of flight of a surface wave generated by the transducer between the transducer and each detector of the array to determine the crystallographic orientation of the object.
摘要翻译：使用超声波换能器和包括多个超声波探测器的检测器阵列测量物体的晶体取向的方法包括：确定换能器与最靠近换能器的检测器阵列的检测器之间的最小距离; 将所述传感器和所述检测器阵列放置成与所述物体的表面接触，使得所述传感器和所述检测器阵列的最靠近所述换能器的检测器至少被隔开所述最小距离; 使用所述换能器在所述物体的表面产生超声波表面波脉冲，所述超声波表面波脉冲具有脉冲持续时间并且包括纵向表面波和瑞利波; 并且测量由换能器和阵列的每个检测器之间的换能器产生的表面波的飞行时间，以确定物体的晶体取向。

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