Ryan R Dehoff

Bio

Dr. Ryan Dehoff is the Director of the Manufacturing Demonstration Facility at Oak Ridge National Laboratory and the Technical Area Lead for Advanced Manufacturing under the Nuclear Energy AMMT Program. 
His focus of research includes understanding correlations between process conditions of advanced manufacturing processes materials microstructure and mechanical performance.  His research expertise lies in the field of additive manufacturing, also known as 3D printing, with a particular focus on metals and alloys.  He has worked on multiple additive manufacturing technologies including electron beam and laser powder bed, large scale directed energy deposition technology, and solid state-based AM processes.  He is working to integrate the digital thread into manufacturing for the certification and qualification of advanced manufactured components.  His work at ORNL has been instrumental in pushing the boundaries of additive manufacturing, particularly in metal additive manufacturing, where he has developed innovative techniques to improve the properties, performance, and scalability of printed materials. Ryan's research has resulted in numerous publications in prestigious scientific journals and has been recognized with several awards and accolades, including the prestigious R&D 100 Award.

He joined ORNL in 2009 after completing his Ph.D. in Materials Science and Engineering from The Ohio State University where he specialized in the fabrication and characterization of advanced materials using additive manufacturing techniques. He joined ORNL as a Research Scientist and has since made significant contributions to the field of additive manufacturing, pioneering new techniques, processes, and materials that have advanced the state of the art.

Professional Experience

• 6/2015-Present, Group Leader, Deposition Science & Technology
• 2012-Present, Metal Additive Manufacturing Lead, Manufacturing Demonstration Facility (MDF), Oak Ridge National Laboratory, Oak Ridge, TN
  • Facilitating the development of additive manufacturing of components utilizing various techniques including electron beam melting, laser metal deposition and ultrasonic additive manufacturing.
  • Developing processing techniques and exploring new materials via additive manufacturing to improve energy efficiency during component production, decrease material waste, and improve material performance
  • Projects include:
    • Near-net-shape fabrication of Titanium components using low cost feedstock materials and developing laser processing techniques for forming nanocomposite coatings and bulk components utilizing amorphous based powder materials.
    • Metal Powder Bed Consolidation
    • Direct Metal DeposItion
    • Ultrasonic ConsolIdation

• 2009-Present, Research Staff Member, Oak Ridge National Laboratory, Oak Ridge, TN
  As research staff member, worked on process development of laser engineered net shaping pertaining to Nb-Si based alloys in conjunction with the mechanical behavior, microstructural characterization, and high temperature oxidation performance of these materials.

• 2008-2009, Post-Doctoral Research Associate, The Ohio State University, OH.

Awards

2013 UT Battelle Awards Night – Early Carreer Award for Engineering

2012 R&D 100 Award– NanoSHIELD Coating [Nano-Super Hard-InExpensive-Laser Deposited Coatings]

2012 R&D 100 Award– Low-Cost, Lightweight Robotic Hand Based on Additive Manufacturing

2007 Outstanding Doctoral Student, NASA/DoD URETI for Aeropropulsion & Power Technology

2001 Arthur Watts Scholarship, The Ohio State University

2000 Boyd Engineering Scholarship, The Ohio State University

1999 HV Glunz Scholarship, The Ohio State University

1998 Demorest Metallurgical Engineering Scholarship, The Ohio State University

1997-99 National Buckeye Award

1997 Scarlet and Gray Scholarship

Education

• Ph.D., Materials Science &  Engineering, The Ohio State University, Columbus, OH, 2008  
• M.S., Materials Science &  Engineering,  The Ohio State University, Columbus, OH, 2005  
• B.S., Materials Science &  Engineering,  The Ohio State University, Columbus, OH, 2002    

Publications