Harwig, Dennis
Dennis Harwig
Biography
Dennis is a Research Associate Professor in OSU's Welding Engineering Laboratory and has over 35 years’ experience developing applied research solutions for industry. He began his career as a welder in northeast Ohio and has strong hands-on fusion welding process and automation expertise. He has worked in a variety of technical and leadership roles for GE Astrospace, Babcock & Wilcox (now BWXT), EWI, Thermadyne Industries (now part of ESAB), and AWS before joining OSU Welding Engineering Laboratory in late 2015. Professor Harwig is a recognized international expert in arc welding, directed energy deposition (DED) additive manufacturing (AM), pressure vessel manufacturing, shipbuilding, lightweight structural manufacturing processes, and standards. He has a collaborative research appointment as Senior Technical Advisor with EWI and LIFT. Since joining OSU and EWI, he has helped establish a range of new lab capabilities for arc and laser welding, cladding, and DED additive manufacturing. Through a range of applied research initiatives, Professor Harwig is concentrating on developing new DED AM processes, systems, and monitoring technology.
Expertise
Laser additive manufacturing Hybrid (laser-arc) processes
Gas metal arc additive manufacturing Narrow groove arc method
Gas metal arc metal transfer & waveform control Arc Physics
Plasma arc welding Arc melting rate analysis
Parameter optimization methods Portable automation
Adaptive welding procedures High speed welding processes
Shipbuilding manufacturing processes Titanium arc welding processes
Shipbuilding distortion control Titanium weld inspection
Personnel & Facilities qualification standards Workforce development