Korean researchers have demonstrated that our Titanium Nitride coating onto aluminum before laser welding produced great benefits, including much better laser absorption without cracking. Nam, S.; Jung, I.-H.; Kim, Y.-M. Effect of TiN Spray Coating on Cracking Susceptibility and Energy Absorption in Laser Welding of Aluminum Alloys. Metals 2020, 10, 1657. https://doi.org/10.3390/met10121657 Our TiN coating used for this laser welding is TN Aerosol Brushable