ACOUSTIC-SIGNALS FROM LASER BACK REFLECTIONS

被引：8
|
作者：
WEERASINGHE, VM
KAMALU, JN
HIBBERD, RD
STEEN, WM
机构：
[1] UNIV DUNDEE,DUNDEE DD1 4HN,SCOTLAND
[2] IMPERIAL COLL SCI TECHNOL & MED,CTR ROBOT & AUTOMATED SYST,LONDON,ENGLAND
[3] UNIV LIVERPOOL,LIVERPOOL L69 3BX,ENGLAND
来源：
OPTICS AND LASER TECHNOLOGY | 1990年 / 22卷 / 06期
关键词：
defects; laser welding; stress waves; weld monitoring;
D O I：
10.1016/0030-3992(90)90091-H
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An acoustic technique is described to detect laser weld defects. The acoustic signal is compared with signals from a number of other sensors. The feasibility of using the acoustic signal in a real-time knowledge-based system for the control and monitoring of laser welding is shown. © 1990.
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页码：381 / 386
页数：6
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