Laser ultrasonic inspection in ablation regime
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6928234&tag=1
Laser ultrasonic inspection in ablation regime
This article presents a laser-based ultrasonic technique (LBUT) in ablation regime for inspection of internal defects using the pulsed high-power laser (HPL) and two wave mixing (TWM) detector. Pulsed HPL source has been recognized as a good ultrasonic generator to overcome weakness of the conventional contact transducer in harsh environment such as high temperature and rough surface of measurement target. And TWM detecting as non-contact method was used to measure the displacement by laser ultrasonic wave. The aim of this study is to investigate transmission characteristics of laser ultrasonic to various internal defects by the fully non-contact LBUT. Experimental results for various artificial internal defects showed the usefulness of the LBUT in ablation regime in nondestructive testing (NDT) field.
Published in:
Nondestructive Evaluation/Testing (FENDT), 2014 IEEE Far East Forum on
Date of Conference:
20-23 June 2014
- Page(s):
- 66 - 68
- Print ISBN:
- 978-1-4799-4731-7
- INSPEC Accession Number:
- 14694458
- Conference Location :
- Chengdu
- DOI:
- 10.1109/FENDT.2014.6928234
- Publisher:
- IEEE
-
인듐안티모나이드(InSb) 소자를 이용한 적외선 방사온도 계측시스템의 개발 연구
Date2012.05.03 CategoryDomestic Views139763 -
Crack Detection in Single-Crystalline Silicon Wafer Using Laser Generated Lamb Wave
Date2014.03.05 CategoryInternational Views139403 -
Relationship between Second- and Third-order Acoustic Nonlinear Parameters in Relative Measurement
Date2015.09.16 CategoryInternational Views138566 -
"Acoustic Nonlinearity of Surface Wave in a Fatigued Aluminum Alloy Specimen "
Date2012.05.03 CategoryInternational Views135684 -
Fully Non-Contact Assessment of Acoustic Nonlinearity According to Plastic Deformation in Al6061 Alloy
Date2014.03.05 CategoryDomestic Views135351 -
"수박에서의 초음파 전파 특성에 관한 실험적 연구"
Date2012.05.03 CategoryDomestic Views135058 -
Wavelet analysis based deconvolution to improve the resolution of scanning acoustic microscope images for the inspection of thin die layer in semiconductor
Date2012.05.03 CategoryInternational Views134102 -
펄스형 초음파 신호에서 비선형 파라미터의 정밀추정
Date2012.05.03 CategoryDomestic Views133953 -
Laser ultrasonic inspection in ablation regime
Date2015.09.16 CategoryInternational Views132384 -
Initial Second Harmonic Generation in Narrowband Surface Waves by Multi-Line Laser Beams for Two Kinds of Spatial Energy Profile
Date2014.03.05 CategoryDomestic Views132257 -
Ultrasonic Characterization for directional coarsening in nickel-base superalloy during creep exposure
Date2012.06.21 CategoryInternational Views130894 -
Reflection and Transmission of Acoustic Waves Across Contact Interfaces
Date2012.05.03 CategoryDomestic Views129876 -
In-Line Ultrasonic Monitoring for Sediments Stuck on Inner Wall of a Polyvinyl Chloride Pipe
Date2014.09.29 CategoryInternational Views129265 -
"Development of Pressure Control System of Contact Transducer for Measurement of Ultrasonic Nonlinear Parameter "
Date2012.05.03 CategoryDomestic Views129168 -
Simulations for Internal Defect Inspection using Laser Generated Ultrasonic Wave in Ablation Regime
Date2014.09.29 CategoryDomestic Views128158 -
Influence of slit width on harmonic generation in ultrasonic surface waves excited by masking a laser beam with a line arrayed slit
Date2014.03.05 CategoryInternational Views127878 -
CHARACTERIZATION OF TAINLESS STEEL FIBER REINFORCED ALUMINUM COMPOSITE USING ULTRASONIC NONLINEARITY
Date2012.05.03 CategoryInternational Views127093 -
Initial Second Harmonic Generation in Narrowband Surface Waves by Multi-Line Laser Beams for Two Kinds of Spatial Energy Profile Models
Date2014.09.29 CategoryDomestic Views125706 -
Experimental Characterization of Cyclic Deformation in Copper Using Ultrasonic Nonlinearity
Date2012.05.03 CategoryDomestic Views125588 -
전파속도를 알 수 없는 재료에서의 AE 발생위치 온라인 측정
Date2012.05.03 CategoryDomestic Views125376