CN109990829A - 一种元素、缺陷与残余应力同时检测的方法及装置 - Google Patents
一种元素、缺陷与残余应力同时检测的方法及装置 Download PDFInfo
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
- G01N29/4436—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a reference signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4472—Mathematical theories or simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1706—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
Abstract
Description
Claims (7)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201811589367.6A CN109990829B (zh) | 2018-12-25 | 2018-12-25 | 一种元素、缺陷与残余应力同时检测的方法及装置 |
PCT/CN2019/125482 WO2020135118A1 (zh) | 2018-12-25 | 2019-12-16 | 一种元素、缺陷与残余应力同时检测的方法及装置 |
US17/289,241 US20210396652A1 (en) | 2018-12-25 | 2019-12-16 | Laser opto-ultrasonic dual detection method and device for detecting elements, defects and residual stress simultaneously |
Applications Claiming Priority (1)
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CN201811589367.6A CN109990829B (zh) | 2018-12-25 | 2018-12-25 | 一种元素、缺陷与残余应力同时检测的方法及装置 |
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CN109990829A true CN109990829A (zh) | 2019-07-09 |
CN109990829B CN109990829B (zh) | 2021-07-27 |
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US (1) | US20210396652A1 (zh) |
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WO (1) | WO2020135118A1 (zh) |
Cited By (19)
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WO2020135118A1 (zh) * | 2018-12-25 | 2020-07-02 | 华中科技大学 | 一种元素、缺陷与残余应力同时检测的方法及装置 |
CN111473898A (zh) * | 2020-04-08 | 2020-07-31 | 江苏科技大学 | 一种熔覆层厚度影响超声波评价熔覆层应力的修正方法 |
CN111999388A (zh) * | 2020-08-31 | 2020-11-27 | 广东工业大学 | 一种碳纤维编织复合材料的激光超声检测系统及方法 |
CN112066920A (zh) * | 2020-08-31 | 2020-12-11 | 南方电网科学研究院有限责任公司 | 一种三支柱绝缘子柱脚的应变的检测方法、装置和介质 |
CN112255191A (zh) * | 2020-09-25 | 2021-01-22 | 广东工业大学 | 激光诱导击穿光谱与声反射结合的在线监测系统及方法 |
CN112611744A (zh) * | 2020-12-11 | 2021-04-06 | 中国海洋大学 | 一种基于声波信号的水下libs光谱校正方法 |
CN112858474A (zh) * | 2021-01-04 | 2021-05-28 | 广东金刚新材料有限公司 | 一种陶瓷岩板应力的超声测试方法及测试系统 |
CN112903156A (zh) * | 2019-12-03 | 2021-06-04 | 哈尔滨工业大学 | 基于非接触传播的大型高速回转装备轴向应力测量方法 |
CN112903155A (zh) * | 2019-12-03 | 2021-06-04 | 哈尔滨工业大学 | 基于能量耗散的大型高速回转装备装配拉伸应力测量装置 |
CN113125061A (zh) * | 2019-12-31 | 2021-07-16 | 哈尔滨工业大学 | 基于激光超声的大型高速回转装备接触应力测量装置 |
CN113125060A (zh) * | 2019-12-31 | 2021-07-16 | 哈尔滨工业大学 | 基于波能耗散原理的大型高速回转装备结合面接触应力测量方法 |
CN113118461A (zh) * | 2019-12-31 | 2021-07-16 | 韩国科学技术院 | 3d打印过程中检查3d打印物体的打印质量的方法和装置,及3d打印系统 |
CN113155960A (zh) * | 2021-03-15 | 2021-07-23 | 广东工业大学 | 一种原油转驳船的大型构件焊接质量实时监测装置及方法 |
CN113358577A (zh) * | 2021-06-10 | 2021-09-07 | 郑州大学 | 一种用于确定激光超声信号起点的电磁波方法 |
CN113624147A (zh) * | 2021-09-27 | 2021-11-09 | 中国烟草总公司郑州烟草研究院 | 一种烟叶厚度、密度无损检测系统和方法 |
WO2022022115A1 (zh) * | 2020-07-27 | 2022-02-03 | 上海交通大学 | 一种金属凝固过程多物理场测量装置及其外壳、测量方法 |
CN114460012A (zh) * | 2022-01-21 | 2022-05-10 | 山东大学 | 一种适用于水下环境激光超声材料检测的超声波强度增强方法及应用 |
CN115839944A (zh) * | 2023-02-17 | 2023-03-24 | 中国民用航空飞行学院 | 一种高频激光除漆效果检测系统及方法 |
WO2024021149A1 (zh) * | 2022-07-29 | 2024-02-01 | 西安交通大学 | 一种融合应力波冲击波诊断的libs优化系统及方法 |
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CN115821027A (zh) * | 2022-10-25 | 2023-03-21 | 北京翔博科技股份有限公司 | 基于激光超声的残余应力消除方法、装置和设备 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5798832A (en) * | 1994-05-02 | 1998-08-25 | Nis Ingenieurgesselschaft Mbh | Process and device for determining element compositions and concentrations |
CN107271370A (zh) * | 2017-07-04 | 2017-10-20 | 九江学院 | 一种基于材料内部缺陷检测的激光超声检测系统及其方法 |
CN107607520A (zh) * | 2017-08-17 | 2018-01-19 | 华中科技大学 | 一种元素与缺陷的激光光声复合检测方法及其系统 |
CN108168747A (zh) * | 2018-02-11 | 2018-06-15 | 浙江大学 | 一种基于激光超声的工件表面残余应力测量装置及其方法 |
CN207850927U (zh) * | 2018-02-26 | 2018-09-11 | 成都艾立本科技有限公司 | 一种基于激光诱导击穿光谱的在线检测系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5585921A (en) * | 1995-03-15 | 1996-12-17 | Hughes Aircraft Company | Laser-ultrasonic non-destructive, non-contacting inspection system |
US5748318A (en) * | 1996-01-23 | 1998-05-05 | Brown University Research Foundation | Optical stress generator and detector |
US7667851B2 (en) * | 2001-07-24 | 2010-02-23 | Lockheed Martin Corporation | Method and apparatus for using a two-wave mixing ultrasonic detection in rapid scanning applications |
US6856918B2 (en) * | 2001-11-26 | 2005-02-15 | Lockheed Martin Corporation | Method to characterize material using mathematical propagation models and ultrasonic signal |
US8438927B2 (en) * | 2003-08-12 | 2013-05-14 | Northwestern University | Scanning near field thermoelastic acoustic holography (SNFTAH) |
US7262861B1 (en) * | 2004-05-24 | 2007-08-28 | Mrl Laboratories, Llc | Ultrasound single-element non-contacting inspection system |
CN103412049B (zh) * | 2013-07-15 | 2016-01-13 | 清华大学 | 一种高温注汽管道缺陷监测方法 |
CA2931676C (en) * | 2013-11-26 | 2023-07-04 | National Research Council Of Canada | Method and apparatus for fast quantitative analysis of a material by laser induced breakdown spectroscopy (libs) |
CN103674359B (zh) * | 2013-12-13 | 2016-06-22 | 烟台富润实业有限公司 | 一种复合材料残余应力的激光超声无损检测方法及设备 |
CN107402044B (zh) * | 2017-07-28 | 2019-11-22 | 华中科技大学 | 一种金属增材制造构件质量在线无损检测系统及方法 |
US11328380B2 (en) * | 2018-10-27 | 2022-05-10 | Gilbert Pinter | Machine vision systems, illumination sources for use in machine vision systems, and components for use in the illumination sources |
CN109990829B (zh) * | 2018-12-25 | 2021-07-27 | 华中科技大学 | 一种元素、缺陷与残余应力同时检测的方法及装置 |
-
2018
- 2018-12-25 CN CN201811589367.6A patent/CN109990829B/zh active Active
-
2019
- 2019-12-16 US US17/289,241 patent/US20210396652A1/en active Pending
- 2019-12-16 WO PCT/CN2019/125482 patent/WO2020135118A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5798832A (en) * | 1994-05-02 | 1998-08-25 | Nis Ingenieurgesselschaft Mbh | Process and device for determining element compositions and concentrations |
CN107271370A (zh) * | 2017-07-04 | 2017-10-20 | 九江学院 | 一种基于材料内部缺陷检测的激光超声检测系统及其方法 |
CN107607520A (zh) * | 2017-08-17 | 2018-01-19 | 华中科技大学 | 一种元素与缺陷的激光光声复合检测方法及其系统 |
CN108168747A (zh) * | 2018-02-11 | 2018-06-15 | 浙江大学 | 一种基于激光超声的工件表面残余应力测量装置及其方法 |
CN207850927U (zh) * | 2018-02-26 | 2018-09-11 | 成都艾立本科技有限公司 | 一种基于激光诱导击穿光谱的在线检测系统 |
Non-Patent Citations (2)
Title |
---|
石一飞: "《金属材料表面缺陷及残余应力的激光超声无损检测研究》", 《中国博士学位论文全文数据库基础科学辑》 * |
西安市春秋视讯公司: "采用高速高分辨率信号采集卡构成超声探伤系统", 《今日电子》 * |
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WO2024021149A1 (zh) * | 2022-07-29 | 2024-02-01 | 西安交通大学 | 一种融合应力波冲击波诊断的libs优化系统及方法 |
CN115839944A (zh) * | 2023-02-17 | 2023-03-24 | 中国民用航空飞行学院 | 一种高频激光除漆效果检测系统及方法 |
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