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Handbook of Laser Welding Technologies by S Katayama

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2

Developments in CO2 laser welding

S. Tsukamoto,     National Institute for Materials Science, Japan

Abstract:

This chapter describes carbon dioxide laser (CO2 laser) welding. Some types of CO2 lasers and special features of CO2 lasers are introduced in the first sections. Laser welding phenomena, which include the interaction of the laser beam with materials and gases, keyhole behaviour, formation mechanism and prevention of weld defects, are also described. Finally, some practical applications of CO2 laser welding are introduced.

Key words

CO2 laser welding

resonator

interaction

welding phenomenon

application

2.1 Introduction

C.K.N. Patel, working for Bell Laboratories, invented the CO2 laser in 1964. He succeeded in producing 1 mW ...

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