Study of laser radiation absorption in a TIG welding arc
作者： R. Kozakov , G. Gött , D. Uhrlandt , B. Emde , J. Hermsdorf
DOI: 10.1007/S40194-015-0222-7
关键词:
摘要: Low-power laser radiation can be used to influence an arc welding process with the aim of stabilisation or guiding attachment at workpiece. Recent studies showed that resonant absorption beneficial compared infrared radiation. The latter is mostly absorbed workpiece surface, whereas in range line have explicit impact on arc. around 811 nm and power up 400 W by a tungsten inert gas (TIG) studied systematically spectroscopic, voltage measurements. For TIG 120 A, considerable found changed some millivolt, emission coefficients change mainly outer part
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