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1. 发明授权

US07273998B2 System and method for monitoring laser shock processing 失效
标题翻译：激光冲击加工监控系统及方法
公开(公告)号：US07273998B2
公开(公告)日：2007-09-25
申请号：US10941560
申请日：2004-09-15
申请人： Pingfan Peter Wu , Pamela King Benicewicz , Magdi Naim Azer
发明人： Pingfan Peter Wu , Pamela King Benicewicz , Magdi Naim Azer
IPC分类号： B23K26/00
CPC分类号： G01N21/718 , B23K26/00 , B23K26/032 , B23K26/352 , B23K26/356 , C21D1/09 , C21D10/00 , C21D10/005 , C21D11/00 , G01J5/60 , G01N21/63
摘要： A method and system for monitoring laser shock peening of a work piece. A line spectrum is obtained from radiation emitted by a plasma produced by a laser shock peening process. The shape of the line spectrum about its emission peak is compared to a defined line shape to verify proper operation of the laser shock peening process. The line shape may be a Lorentzian line shape corresponding to a desired line shape. The line shape may a Gaussian line shape corresponding to an undesired line shape. The system can also detect the failure mode that occurs when the opaque layer is broken through by detecting the plasma spectral component produced by the work piece material, along with the plasma produced by the opaque layer.
摘要翻译：一种用于监测工件的激光冲击硬化的方法和系统。由通过激光冲击硬化处理产生的等离子体发射的辐射获得线谱。将其关于其发射峰的线谱的形状与定义的线形状进行比较，以验证激光冲击喷丸处理的正确操作。线形状可以是对应于所需线形状的洛伦兹线形状。线形状可以是对应于不期望的线形状的高斯线形状。该系统还可以通过检测由工件材料产生的等离子体光谱分量以及不透明层产生的等离子体来检测当不透明层破裂时发生的故障模式。

2. 发明授权

US07440097B2 Laser plasma spectroscopy apparatus and method for in situ depth profiling 有权
标题翻译：激光等离子体光谱装置及其原位深度分析方法
公开(公告)号：US07440097B2
公开(公告)日：2008-10-21
申请号：US11426708
申请日：2006-06-27
申请人： Pamela King Benicewicz , Pavel Alexeyevich Fomitchov , Elena Rozier , John Ruediger Mader Viertl , Tymm Bradner Schumaker
发明人： Pamela King Benicewicz , Pavel Alexeyevich Fomitchov , Elena Rozier , John Ruediger Mader Viertl , Tymm Bradner Schumaker
IPC分类号： G01J3/443 , G01J3/30 , G01N21/63 , G01B11/22 , G01B11/06
CPC分类号： G01N21/718 , G01J3/2889 , G01J3/443 , G01N2021/1782
摘要： An in-situ laser plasma spectroscopy (LPS) system for automated near real-time elemental depth profiling of a target including: an optical source configured to generate an optical beam, wherein the optical beam is pulsed; an optical probe system configured to deliver the optical beam from the optical source to a surface of a target to generate an ablation plasma; a time resolved spectral detection system configured to generate time resolved spectral data from emission signals from the ablation plasma; and a data acquisition and processing system configured to acquire the time resolved spectral data to determine, in combination with predetermined calibration data, an absolute elemental concentration as a function of depth in near real-time.
摘要翻译：一种用于目标的自动近实时元素深度分析的原位激光等离子体光谱（LPS）系统，包括：被配置为产生光束的光源，其中所述光束被脉冲; 光探针系统，被配置为将所述光束从所述光源传送到靶的表面以产生消融等离子体; 时间分辨光谱检测系统，被配置为从消融等离子体的发射信号产生时间分辨光谱数据; 以及数据采集和处理系统，被配置为获取所述时间分辨的光谱数据，以结合预定的校准数据来确定作为深度近似实时的函数的绝对元素浓度。

3. 发明申请

US20070296967A1 Analysis of component for presence, composition and/or thickness of coating 审中-公开
标题翻译：分析涂层的存在，组成和/或厚度的组分
公开(公告)号：US20070296967A1
公开(公告)日：2007-12-27
申请号：US11475212
申请日：2006-06-27
申请人： Bhupendra Kumra Gupta , Nripendra Nath Das , Pamela King Benicewicz
发明人： Bhupendra Kumra Gupta , Nripendra Nath Das , Pamela King Benicewicz
IPC分类号： G01J3/30 , G01N21/63
CPC分类号： G01J3/2889 , G01J3/443 , G01N21/718
摘要： A method comprising the following steps: (a) providing a turbine component comprising a metal substrate having an external surface; and (b) analyzing the external surface by laser plasma spectroscopy to determine whether a metallic coating is present on or absent from the external surface. If a metallic coating is determined to be present on the external surface, the elemental composition, elemental concentration and/or thickness of the metallic coating present on the external surface may be determined (qualitatively and/or quantitatively) by laser plasma spectroscopy. Another method comprises the following steps: (a) providing a turbine component comprising a metal substrate having an external surface which has been subjected to treatment to remove a metallic coating applied to the external surface; and (b) analyzing the treated external surface by laser plasma spectroscopy to determine the degree of removal of the metallic coating from the treated external surface.
摘要翻译：一种方法，包括以下步骤：（a）提供包括具有外表面的金属基底的涡轮机部件; 和（b）通过激光等离子体光谱分析外表面以确定金属涂层是否存在于外表面上或不存在于外表面上。如果确定外表面上存在金属涂层，则可以通过激光等离子体光谱法确定（定性和/或定量）存在于外表面上的金属涂层的元素组成，元素浓度和/或厚度。另一方法包括以下步骤：（a）提供包括具有外表面的金属基底的涡轮机部件，所述外表面经过处理以除去施加到外表面的金属涂层; 和（b）通过激光等离子体光谱分析处理的外表面以确定从被处理的外表面去除金属涂层的程度。

4. 发明申请

US20070296966A1 LASER PLASMA SPECTROSCOPY APPARATUS AND METHOD FOR IN SITU DEPTH PROFILING 有权
标题翻译：激光等离子体光谱仪及其在深度分布图中的方法
公开(公告)号：US20070296966A1
公开(公告)日：2007-12-27
申请号：US11426708
申请日：2006-06-27
申请人： PAMELA KING BENICEWICZ , PAVEL ALEXEYEVICH FOMITCHOV , ELENA ROZIER , JOHN RUEDIGER MADER VIERTL , TYMM BRADNER SCHUMAKER
发明人： PAMELA KING BENICEWICZ , PAVEL ALEXEYEVICH FOMITCHOV , ELENA ROZIER , JOHN RUEDIGER MADER VIERTL , TYMM BRADNER SCHUMAKER
IPC分类号： G01J3/30 , G01N21/63
CPC分类号： G01N21/718 , G01J3/2889 , G01J3/443 , G01N2021/1782
摘要： An in-situ laser plasma spectroscopy (LPS) system for automated near real-time elemental depth profiling of a target including: an optical source configured to generate an optical beam, wherein the optical beam is pulsed; an optical probe system configured to deliver the optical beam from the optical source to a surface of a target to generate an ablation plasma; a time resolved spectral detection system configured to generate time resolved spectral data from emission signals from the ablation plasma; and a data acquisition and processing system configured to acquire the time resolved spectral data to determine, in combination with predetermined calibration data, an absolute elemental concentration as a function of depth in near real-time.
摘要翻译：一种用于目标的自动近实时元素深度分析的原位激光等离子体光谱（LPS）系统，包括：被配置为产生光束的光源，其中所述光束被脉冲; 光探针系统，被配置为将所述光束从所述光源传送到靶的表面以产生消融等离子体; 时间分辨光谱检测系统，被配置为从消融等离子体的发射信号产生时间分辨光谱数据; 以及数据采集和处理系统，被配置为获取所述时间分辨的光谱数据，以结合预定的校准数据来确定作为深度近似实时的函数的绝对元素浓度。

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