Wavelet analysis of acoustic emission signals and quality control in laser welding

Journal of Laser Applications

Volumn 13, Issue 4, 2001, Pages 167-173

  Zeng, H ^a   Zhou, Z ^a   Chen, Y ^a   Luo, H ^a   Hu, L ^a  

^a HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Laser welding; Process monitoring; Quality control; Wavelet analysis

Indexed keywords

ACOUSTIC EMISSIONS; FAST FOURIER TRANSFORMS; QUALITY CONTROL; SPECTRUM ANALYSIS; STATISTICAL METHODS; WAVELET TRANSFORMS;

INTENSITY MOVING AVERAGE (IMA) CURVES;

LASER BEAM WELDING;

EID: 0035418436     PISSN: 1042346X     EISSN: None     Source Type: Journal    
DOI: 10.2351/1.1386799     Document Type: Article

References (11)

1. Process-control in laser beam welding using acoustic emission analysis
2. Acoustic emission at the laser weld site as an indicator of weld quality
3. Non-contact acoustic emission monitoring during laser processing
4. 2 laser welding of materials
5. Fast fourier analysis of optical and acoustic signals at poor penetration in laser welding
6. Integration of real time quality control systems in a welding process
7. Frequency-time characteristics of air-borne signals from laser welds
8. A theory for multi-resolution signal decomposition: The wavelet representation
9. Wavelet analysis of acoustic emission signals with welding defect in laser welding
10. A statistical approach to acoustic monitoring of laser welding