Articles in press
2024
A. O’Connor, C. Park, W. E. Bolch, A. Enqvist, and M. V. Manuel, “Designing lightweight neutron absorbing composites using a comprehensive absorber areal density metric,” Applied Radiation and Isotopes, vol. 206, p. 111227, Apr. 2024, doi: 10.1016/j.apradiso.2024.111227.
A. O’Connor, C. Park, J. E. Baciak, and M. V. Manuel, “Mitigating space radiation using magnesium(-lithium) and boron carbide composites,” Acta Astronautica, vol. 216, pp. 37–43, Mar. 2024, doi: 10.1016/j.actaastro.2023.12.013.
Technical Conferences
Paper/summary and talk
2025
AIAA SciTech 2025
“Establishing an In-Space Joining Ecosystem at NASA Marshall via Laser Beam Welding” in Manufacturing For and In Space
Andrew O’Connor, Jonathan M Bonebrake, Thomas C Bryan, Zachary S Courtright, Charles T Cowen, Ellis R Crabtree, William C Evans, Nathan Fripp, John C Ivester, Emma K Jaynes, Louise S Littles, Christopher S Protz, Benjmain L Rupp, Jeffrey W Sowards
4:30pm on Wed, Jan 8 at the Hyatt Regency Orlando, Orlando FL
Paper available at https://ntrs.nasa.gov/citations/20240015580
Presentation available at https://ntrs.nasa.gov/citations/20250000018
2019
2019 ANS Winter Meeting
“An extended-temperature, volumetric source model for betavoltaic power generation” in Isotopes Radiation Division: General
Andrew O’Connor, Michele Viola Manuel, Harry Shaw
5:40pm on Tues, Nov 19 in Virginia B at the Marriott Wardman Park, Washington DC
Full-text author’s manuscript now available on PubSpace at https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC8269951/
Citable as doi:10.13182/T30591
Talk only
2025
TMS 2025“In-Space Laser Forming Simulated Under Thermal Vacuum Conditions” in Advanced Laser Manufacturing of High-Performance Materials
Andrew O’Connor, Jonathan M Bonebrake, Thomas C Bryan, Charles T Cowen, Ellis R Crabtree, William C Evans, Nathan Fripp, John C Ivester, Emma K Jaynes, Louise S Littles, Benjmain L Rupp, Zachary S Courtright
*This talk was withdrawn due to restrictions on government travel.
2024
Defense Manufacturing Conference 2024
“A Combined Computational, Experimental, and Technology Development Approach to In-Space Laser Manufacturing Maturation at NASA Marshall Space Flight Center” in Manufacturing For and In Space
Andrew O’Connor, Jonathan M Bonebrake, Thomas C Bryan, Zachary S Courtright, Charles T Cowen, Ellis R Crabtree, William C Evans, Nathan Fripp, John C Ivester, Emma K Jaynes, Louise S Littles, Christopher S Protz, Benjmain L Rupp, Jeffrey W Sowards
1:00am on Thurs, Dec 5 at the Austin Convention Center, Austin TX
AWS Professional Program 2024
“Maturation of In-space Welding in Reduced Gravity and Reduced Pressure Environments Through Progression to Suborbital Flight Experiments” in Joining Process Studies
A. O’Connor, T. Bryan, Z. Courtright, C. Cowen, W. Evans, E. Jaynes, L. Littles, C. Protz, B. Rupp, J. Sowards
8:40am on Thurs, Oct 17 in W307 A at the Orange County Convention Center, Orlando FL
“Computational and Physics-Based Modeling for the Development of in-Space Welding Technology” in Modeling and Simulation
J. Sowards, E. Crabtree, A. O’Connor, C. Protz
3:40pm on Tues, Oct 15 in W307 A at the Orange County Convention Center, Orlando FL
TechConnect World 2024
“Laser Beam Welding for in-Space Joining Demonstrated Under Vacuum on the Ground and By Parabolic Flight Experiments” in Advanced Manufacturing in Space: Fabrication Processes for Space
E. Choi, A. Brimmer, W. McAuley, B. Panton, A. Ramirez, W. Evans, A. O’Connor, Z. Courtright, J.W. Sowards
2:30pm on Tues, Jun 18 in Annapolis 1-2 at the Gaylord National Resort & Convention Center, National Harbor MD
TMS 2024
“An Open-Source Numerical Model for Mitigating Refractory Alloy Hot Cracking Susceptibility” in Additive Manufacturing of Refractory Metallic Materials: Additive Manufacturing of Refractory Metallic Materials: Process Development
Jeffrey W Sowards, Andrew O’Connor, Fredrick N Michael, Carly J Romnes, Fernando Reyes Tirado, and Omar Mireles
9:10am on Mon, Mar 4 in Rainbow Spring II at the Hyatt Regency Orlando, Orlando FL
2022
APS4DS 2022
“High-temperature Betavoltaic above the Cytherean Surface (HIBIsCuS)” in Advanced Power Concepts (Beta-voltaics and Small RTGs) of the 2022 Conference on Advanced Power Systems for Deep Space Exploration
Andrew O’Connor, Harry C. Shaw, Michele V. Manuel
1:40pm on Thurs, Sep 1 (virtual)
TMS 2022
“Employing a semi-quantitative system to elucidate particle spacing in particle-reinforced composite” in Characterization of Minerals, Metals and Materials 2022
Andrew O’Connor, Cheol Park, Michele V. Manuel
3:55pm on Tues, Mar 1 in 207B at the Anaheim Convention Center, Anaheim CA
2020
TMS 2020
“Lightweight Radiation Shielding Using Metal Matrix Composites” in Metal-Matrix Composites: Analysis, Modeling, Observations and Interpretations
Andrew O’Connor, Wesley E Bolch, and Michele V. Manuel
5:05pm on Tues, Feb 25 in 31A at the San Diego Convention Center, San Diego CA
2019
NASA Langley Research Center
“Lightweight Neutron Radiation Shielding using Metal Matrix Composites”
10:30am on Wed, Nov 20
2017
Nuclear and Emerging Technologies for Space 2017
“High Temperature Oxide Thermoelectric Materials for RTGs” in Fuels and Materials: Novel Thermoelectric Materials Development
D Tucker, A O’Connor, C Hill, C Romnes
3:30pm on Mon, Feb 27 in Captiva B at the Marriott Orlando Airport Lakeside, Orlando FL