doi:10.1557/opl.2013.255, Published by Cambridge University Press, 1st March 2013.
The article should have included the following source information for Figures 1, 5, and 6: Image taken from: Yasuaki Okita, V. H. Baltazar Hernandez, S. S. Nayak, and Y. Zhou, Sheet Metal Welding Conference XIV Livonia, MI May 11-14, 2010 .
The editor regrets the omission.