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1. 发明申请

US20100242607A1 INSPECTION METHOD FOR DETERMINING A LOCATION OF INCIPIENT DAMAGE 审中-公开
标题翻译：用于确定机体损伤位置的检查方法
公开(公告)号：US20100242607A1
公开(公告)日：2010-09-30
申请号：US12409581
申请日：2009-03-24
申请人： Ramkumar Kashyap Oruganti , Michael Francis Xavier Gigliotti, JR. , Edward James Nieters , Sivaramanivas Ramaswamy , Ganesan Baskaran , Balachandar Ramadurai
发明人： Ramkumar Kashyap Oruganti , Michael Francis Xavier Gigliotti, JR. , Edward James Nieters , Sivaramanivas Ramaswamy , Ganesan Baskaran , Balachandar Ramadurai
IPC分类号： G01N29/04
CPC分类号： G01N29/12 , G01N29/4472 , G01N2291/014 , G01N2291/0289 , G01N2291/2698
摘要： A method for determining a location of incipient damage of an object comprises insonifying the object at a plurality of locations using ultrasonic signals during an inspection, acquiring signals indicative of a possible damage condition from the plurality of locations of the insonified object in said inspection, determining a value for each of the locations to indicate accumulated damage by mathematically combining the acquired signals from said inspection and at least a portion of prior inspections, and comparing the values of the plurality of locations to determine a location indicating possible incipient damage.
摘要翻译：一种用于确定对象的初始损伤的位置的方法包括在检查期间使用超声波信号在多个位置处使对象物体化，在所述检查中从多个位置上获取指示可能的损伤状况的信号，确定通过数学地组合来自所述检查的所获取的信号和至少一部分先前检查，并且比较多个位置的值以确定指示可能的初始损伤的位置，来指示每个位置的值以指示累积的损伤。

2. 发明申请

US20080236288A1 INSPECTION SYSTEMS AND METHODS FOR DETECTION OF MATERIAL PROPERTY ANOMALIES 审中-公开
标题翻译：用于检测材料性质异常的检查系统和方法
公开(公告)号：US20080236288A1
公开(公告)日：2008-10-02
申请号：US11695207
申请日：2007-04-02
申请人： Edward James Nieters , Michael Francis Xavier Gigliotti , Ramkumar Kashyap Oruganti , Sivaramanivas Ramaswamy , Balachandar Ramadurai , Vamshi Krishna Reddy Kommareddy , Ganesan Baskaran , Michael Everett Keller
发明人： Edward James Nieters , Michael Francis Xavier Gigliotti , Ramkumar Kashyap Oruganti , Sivaramanivas Ramaswamy , Balachandar Ramadurai , Vamshi Krishna Reddy Kommareddy , Ganesan Baskaran , Michael Everett Keller
IPC分类号： G01N29/04
CPC分类号： G01N29/28 , G01N29/0645 , G01N29/12 , G01N2291/015 , G01N2291/02491 , G01N2291/0258 , G01N2291/048 , G01N2291/2693
摘要： A method for inspecting a part is provided. The method includes immersing the part in a couplant medium, delivering ultrasonic wave energy to at least one subvolume of the part using an ultrasonic transducer immersed in the couplant medium and receiving ultrasonic wave energy from the part at a fundamental frequency and at least one harmonic frequency using an ultrasonic receiver immersed in the couplant medium. The method also includes generating a nonlinear image corresponding to at least one material property variation of the part using the received ultrasonic energy and using the nonlinear image of the part to determine whether one or more material property anomalies are present in the part.
摘要翻译：提供了一种用于检查零件的方法。该方法包括将部件浸入耦合介质中，使用浸没在耦合剂介质中的超声波换能器将超声波能量传递到该零件的至少一个子体积，并从该部分接收基波频率和至少一个谐波频率的超声波能量使用浸没在耦合剂介质中的超声波接收器。该方法还包括使用接收到的超声能量产生对应于部件的至少一种材料特性变化的非线性图像，并且使用该部件的非线性图像来确定部件中是否存在一个或多个材料特性异常。

3. 发明授权

US07296453B1 Method of forming a structural component having a nano sized/sub-micron homogeneous grain structure 失效
标题翻译：形成具有纳米尺寸/亚微米均匀晶粒结构的结构组分的方法
公开(公告)号：US07296453B1
公开(公告)日：2007-11-20
申请号：US11285853
申请日：2005-11-22
申请人： Ramkumar Kashyap Oruganti , Pazhayannur Ramanathan Subramanian , Judson Sloan Marte
发明人： Ramkumar Kashyap Oruganti , Pazhayannur Ramanathan Subramanian , Judson Sloan Marte
IPC分类号： B21C23/00
CPC分类号： B21C23/002 , B21C23/001 , B21C23/22
摘要： A method of making nano/sub-micron sized grains in a work piece material having a lateral side has the steps of providing a die. The die has an entrance channel with a longitudinal axis and an exit channel. The entrance channel and the exit channel are connected to one another to form an angle. The method has the step of providing a first sacrificial material with a complementary size to the work piece and placing the sacrificial first material and the work piece in an entrance channel. The first sacrificial material and the work piece are aligned with the longitudinal axis. The method has the step of extruding the combination of the first sacrificial material, and the work piece through the intersection of the entrance and the exit channels. The resulting shear deformation forms the nano/sub-micron sized grains in the work piece. This configuration reduces frictional effects thereby producing homogenous nano grain structure. This configuration reduces applied load and enables equal channel angular extrusion of thin sheets.
摘要翻译：在具有侧面的工件材料中制造纳米/亚微米尺寸的颗粒的方法具有提供模具的步骤。模具具有纵向轴线和出口通道的入口通道。入口通道和出口通道彼此连接形成一个角度。该方法具有提供具有与工件互补的尺寸的第一牺牲材料并将牺牲的第一材料和工件放置在入口通道中的步骤。第一牺牲材料和工件与纵向轴线对齐。该方法具有通过入口和出口通道的交叉部分挤出第一牺牲材料和工件的组合的步骤。所产生的剪切变形在工件中形成纳米/亚微米尺寸的颗粒。这种结构降低摩擦效应，从而产生均匀的纳米晶粒结构。该配置减少了施加的负载，并实现了薄板的等通道角挤压。

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