High laser powers of up to 1500W were used to additively manufacture 17-4PH samples. Porosity was measured using the image analysis technique, and all samples are fairly dense with a maximum of 0.42 percent porosity.
Reference:
Makoana, N.W., Moller, H., Louw, D. et al. 2017. Preliminary investigation on selective laser melting of 17-4ph steel using high laser powers of up to 1500w. OSA Frontiers in Optics + Laser Science Conference, Washington Hilton, Washington, District of Columbia, USA, 18-21 September 2017
Makoana, N. W., Moller, H., Louw, D., & Yadroitsev, I. (2017). Preliminary investigation on selective laser melting of 17-4ph steel using high laser powers of up to 1500w. Optical Society of America (OSA). http://hdl.handle.net/10204/9664
Makoana, Nkutwane W, Heinrich Moller, Danie Louw, and I Yadroitsev. "Preliminary investigation on selective laser melting of 17-4ph steel using high laser powers of up to 1500w." (2017): http://hdl.handle.net/10204/9664
Makoana NW, Moller H, Louw D, Yadroitsev I, Preliminary investigation on selective laser melting of 17-4ph steel using high laser powers of up to 1500w; Optical Society of America (OSA); 2017. http://hdl.handle.net/10204/9664 .
Copyright: 2017 OSA. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, kindly consult the publisher's website.