Progress in Plasma Processing of Materials, 1999

ISBN Print: 1-56700-126-2

TEMPERATURE MONITORING DURING PLASMA-ARC WELDING AND CLADDING

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DOI: 10.1615/ITPPC-1998.460
pages 305-311

Ph. Bertrand C. N. R. S., Institut de Science et de Genie des Materiaux et Procedes B. P. 5, Odeillo, F-66125 Font-Romeu Cedex

M. Ignatiev Institut de Science et de Génie des Matériaux et Procédés, CNRS., BP.5 Odeillo, 66125 Font-Romeu Cedex, France; Université de Perpignan, 52, avenue de Villeneuve, 66860 Perpignan, France

I. Yu. Smurov C. N. R. S., Institut de Science et de Genie des Materiaux et Procedes B. P. 5, Odeillo, F-66125 Font-Romeu Cedex; Ecole Nationale d'Ingenieurs de Saint-Etienne, 58 rue Jean Parot, 42023 Saint -Etienne Cedex 2, France

Gilles Flamant CNRS PROMES UPR 8521, Tecnosud, Rambla de la Thermodynamique, 66100 Perpignan, France

Résumé

This paper presents experimental results obtained by IMP-CNRS during plasma-arc welding and cladding using industrial equipment of SMEs (ATN, France - SOUDOBEAM, Belgium).
The pyrometers are laboratory-made devices in the frame of an European B.E. project. They are either one point, high spatial resolution, fast one or two wavelengths systems, or a 2D pyrometer equipped with a lO×lO photodetectors matrix.
Experimental data are discussed to identify the influence of process parameters variation, as well as defects on temperature distribution and to suggest some solutions for process control.

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