T. Um

Optimization Analysis for Realization of Vertical Wall in the Punchless Piercing Process

Kug-Weon Kim, Kye-Si Kwon, Tai-Joon Um, 2010 .

Analysis for Realization of Vertical Wall in Holes by Applying Alternate High Pressure in the Punchless Piercing Process

Kug-Weon Kim, Kye-Si Kwon, Tai-Joon Um, 2009 .

Agile Fabrication of a Sample by a Solid Freeform Fabrication System

Sehyung Park, Sanghyun Min, Tai-Joon Um, 2002 .