Laser-induced Fluorescence for Detection of Alloying Elements During Laser Welding of Austenitic Stainless Steel

Published: July 21, 2017

Author(s)

Brian J. Simonds, Jeffrey W. Sowards, Paul A. Williams

Abstract

We demonstrate a sensitivity increase of 104 over optical emission spectroscopy by applying laser-induced fluorescence to detect evaporating alloying elements during laser welding. As proof-of-principle, we target silicon in stainless steel in the near-UV.
Proceedings Title: Laser-induced Fluorescence for Detection of Alloying Elements During Laser Welding of Austenitic Stainless Steel
Volume: 50
Issue: 32
Conference Dates: May 14-19, 2017
Conference Location: San Jose, CA
Pub Type: Conferences

Keywords

laser welding, laser-induced fluorescence
Created July 21, 2017, Updated November 10, 2018