Education

• PhD, Welding Engineering: the Ohio State University (thesis topic: Effect of Postweld Heat Treatment on the Properties of Steel Clad with Alloy 625 for Petrochemical Applications") - 2018
• MS, Metallurgical Engineering, RWTH Aachen University, Germany
• BS, Materials Science and Engineering, University of Science and Technology Beijing, China

Industry Experience

Dr. Dai performed postdoctoral research at the Oak Ridge National Laboratory from 2018-2021 focused on multiple projects from Department of Energy, US Army and industry. He also had experience working in the Fraunhofer Institute for Laser Technology in Germany (2012-2013) and DNV GL in Ohio (2017-2018).

Courses Taught

• ENGR 1311 – Manufacturing Processes Lab
• ENGR 2313 – Materials Engineering
• MJEG 3213 – Thermodynamic/Kinetics/Structure of Materials
• MJEG 3223 – Welding Metallurgy I
• MJEG 4213 – Welding Metallurgy II

Research Interests

• Welding metallurgy of ferrous and non-ferrous alloys,
• Physical metallurgy,
• Weldability testing,
• Mechanical properties of alloys and welds
• Characterization of alloys and welds
• Welding process design and optimization

Publications and Professional Activities

• David Hodgson, Tao Dai and John Lippold, 2015. Transformation and Tempering Behavior of Heat-affected Zone of 2.25Cr-1Mo Steel, Welding Journal, Vol. 94: 250s-256s.
• Tao Dai and John Lippold, 2017. Tempering Behavior of the Fusion Boundary Region of an F22/625 Weld Overlay, Welding Journal, Vol. 96: 467s-480s.
• Tao Dai and John Lippold, 2018. Tempering Effect on the Fusion Boundary Region of Alloy 625 Weld Overlay on 8630 Steel, Welding in the World, https://doi.org/10.1007/s40194-018-0560-3
• Tao Dai and John Lippold, 2018. The Effect of Postweld Heat Treatment on Hydrogen Assisted Cracking of F22/Alloy 625 Overlays, Welding Journal, Vol. 97: 75s-90s.
• Tao Dai and John Lippold, 2018. The Effect of Postweld Heat Treatment on Hydrogen Assisted Cracking of 8630/Alloy 625 Overlays, Welding in the World, https://doi.org/10.1007/s40194-018-0578-6
• Tao Dai and John Lippold, 2018. The Characterization of the Interface of an Alloy 625 Overlay on Steels Using Nanoindentation, Journal of Materials Engineering Performance, 27(7):3411-3418.
• Tao Dai, Ramgopal Thodla, William III Kovacs, Kavitha Tummala and John Lippold, 2019. Effect of Postweld Heat Treatment on the Sulfide Stress Cracking of Dissimilar Welds of Nickel Base Alloy 625 on Steel, Corrosion Journal, 75(6): 641-656.
• Tao Dai, Rebecca Wheeling, Kelton Hartman-Vaeth, and John Lippold, 2019. Precipitation Behavior and Hardness Response of Alloy 625 Weld Overlay under Different Aging Conditions, Welding in the World, 63(4): 1807-1100.
• Jian Chen, Jonathan Tatman, Zhili Feng, Roger Miller, Stephanie Curlin, Tao Dai, Keyou Mao, Benjamin Sutton, Greg Frederick, 2021. Suppression of Helium Induced Cracking in Laser Repair Welding of Highly Irradiated Stainless Steels, Journal of Nuclear Materials, 556. https://www.sciencedirect.com/science/article/pii/S0022311521004293
• Tao Dai, Zhili Feng, Douglas Kyle, S A David, Katherine M Sebeck, Demetrios A Tzelepis, Katherine Vieau and Matthew Rogers, 2022. On the toughness of high-strength steel weld metals, Welding Journal.
  
  
• Served as an independent reviewer for Welding Journal, Welding in the World and Journal of Manufacturing Processes