Ana­lyz­ing mul­ti­spec­tral emis­sion and syn­chro­tron data to eval­u­ate the qual­i­ty of laser welds on cop­per (Jan Brüggen­jür­gen, Christoph Spurk, Marc Hum­mel, Christoph Franz, Andrè Häusler, Alexan­der Olowin­sky, Felix Beck­mann, Julian Moos­mann; Ana­lyz­ing mul­ti­spec­tral emis­sion and syn­chro­tron data to eval­u­ate the qual­i­ty of laser welds on cop­per. J. Laser Appl. 1 August 2024; 36 (3): 032032.) 

Descrip­tion
The val­i­da­tion of laser weld­ing of metal­lic mate­ri­als is a chal­leng­ing task due to the high­ly dynam­ic process­es and the lim­it­ed acces­si­bil­i­ty of the weld seam. Mea­sur­ing the process emis­sions and the laser beam being processed is one way of record­ing high­ly dynam­ic process phe­nom­e­na. How­ev­er, these record­ings are always made via the sur­face of the weld seam, mean­ing that phe­nom­e­na inside the seam are only implic­it­ly rec­og­niz­able and require fur­ther processing. 

Part­ner
> Fraun­hofer Insti­tute for Laser Tech­nol­o­gy ILT
> RWTH Aachen University
> Insti­tute of Mate­ri­als Physics