On-line optical monitoring system for arc welding

被引：67

作者：

Sforza, P ^{[1
]}

de Blasiis, D ^{[1
]}

机构：

[1] Ctr Laser Scrl, I-70010 Valenzano, Italy

来源：

NDT & E INTERNATIONAL | 2002年 / 35卷 / 01期

关键词：

arc welding; on-line monitoring; electro-optic detector; optical inspection; plasma radiation; weld quality assessment;

D O I：

10.1016/S0963-8695(01)00021-4

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper describes the technical features of four electro-optic sensors for the monitoring of arc welding. The energy released in the process determines the formation of a strongly radiative plasma in the interaction zone. The working principle of the prototype is based on the detection of visible, infrared and ultraviolet emission of the plasma. A discrimination algorithm has been found that allows the characteristics of the weld to be evaluated and to distinguish bad weldings from good ones. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：37 / 43

页数：7

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