Tian et al. - Google Patents
- ️Wed Jan 01 2020
Tian et al.
View PDF-
Document ID
- 16707179093441120255 Author
- Peng J
- Zhang Q
- Zhang F
- Li J Publication venue
- Available at SSRN 5129624
External Links
Snippet
Abstract Laser Arrays Scanning Thermography (LAsST) leverages the advantages of multi- point laser by dynamically modulating the laser excitation signal, concentrating energy to amplify defect temperature differences, thereby enhancing the sensitivity of surface defect …
- 238000001514 detection method 0 title abstract description 14
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details
- G01N27/9013—Details specially adapted for scanning
- G01N27/902—Details specially adapted for scanning by moving the sensors
-
- 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 infra-red, visible or ultra-violet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
-
- 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
-
- 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 infra-red, visible or ultra-violet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
-
- 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 infra-red, visible or ultra-violet 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
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cai et al. | 2020 | Application of sensing techniques and artificial intelligence-based methods to laser welding real-time monitoring: A critical review of recent literature |
| RU2549913C2 (en) | 2015-05-10 | Thermographic method of control and monitoring device for implementing method |
| Liu et al. | 2019 | Natural crack diagnosis system based on novel L-shaped electromagnetic sensing thermography |
| RU2456585C2 (en) | 2012-07-20 | Method for automated flaw detection on joints of materials |
| US8541746B2 (en) | 2013-09-24 | Process and system for the nondestructive quality determination of a weld seam, and a welding device |
| Zhu et al. | 2018 | Probability of detection for eddy current pulsed thermography of angular defect quantification |
| Shi et al. | 2021 | A technique combining laser spot thermography and neural network for surface crack detection in laser engineered net shaping |
| Puthiyaveettil et al. | 2020 | Laser line scanning thermography for surface breaking crack detection: modeling and experimental study |
| Zhu et al. | 2019 | Comparison study of different features for pocket length quantification of angular defects using eddy current pulsed thermography |
| US12038270B2 (en) | 2024-07-16 | Shearography testing method and system using shaped excitation light having at least one curved line |
| Cheng et al. | 2016 | Stainless steel weld defect detection using pulsed inductive thermography |
| Kouprianoff et al. | 2018 | Acoustic emission technique for online detection of fusion defects for single tracks during metal laser powder bed fusion |
| Wu et al. | 2018 | Weld crack detection based on region electromagnetic sensing thermography |
| Santoro et al. | 2024 | Frequency-based analysis of active laser thermography for spot weld quality assessment |
| Rodriguez-Cobo et al. | 2014 | Fiber Bragg grating sensors for on-line welding diagnostics |
| Qiu et al. | 2019 | Detection of surface cracks by laser spot thermography at elevated temperature |
| JP4367932B2 (en) | 2009-11-18 | Method and apparatus for detecting defects in steel structures |
| Tian et al. | 0 | Laser Arrays Scanning Thermography with Optimized Excitation Signals for Efficient Rail Defect Detection |
| Vaibhav et al. | 2016 | Eddy current thermography for rail inspection |
| Yang et al. | 2022 | The wavelet-based self-similarity analysis for the detection of fatigue microcrack by the joint scanning laser thermography |
| He et al. | 2024 | Analysis of image formation laws and enhancement methods for weld seam defects based on infrared and magneto-optical sensor technology |
| Tian et al. | 2023 | Multi-feature Fusion Imaging Based on Machine Learning for Weld Defect Detection Using Induction Scanning Thermography |
| Kumar et al. | 2020 | Eddy Current Thermography as a Tool for Detecting the Location and Dimension of Edge Defects in Cr–Mo Steel Plate |
| Zhu et al. | 2018 | Investigation of a new feature for angular defect quantification by eddy current pulsed thermography |
| Hu et al. | 2014 | A review and preliminary experiment on application of infrared thermography in welding |