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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Antares achieves zero-power criticality at INL
Leveraging more than $140 million in private capital fundraising, over 322,000 square feet of operational manufacturing space, and multifaceted partnerships with the Departments of Energy and Defense, reactor start-up Antares has become the first company involved in the Reactor Pilot Program to achieve zero-power fueled criticality—a full month ahead of the July 4 deadline set by President Trump’s Executive Order 14301.
This milestone, announced yesterday, was achieved with the company’s Mark-0: a sodium heat-pipe-cooled, TRISO-fueled microreactor. The Mark-0 is a forerunner to the company’s flagship design, which it calls the R1. For Antares, this development represents a key validation of its reactor physics, control systems, and supply chain.
Technical Session|Sponsored by MSTD
Tuesday, November 17, 2020|4:50–6:30PM EST
Session Chair:
J. Rory Kennedy
Session Organizer:
Alternate Chair:
Kenneth J. Geelhood
Staff Producer:
Jessie Vazquez (American Nuclear Society)
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Post-Irradiation Examination System Development for Irradiated Optical Components of In-Situ Spectroscopic Sensors
Bryan Morgan (University of Michigan Ann Arbor), Igor Jovanovic (University of Michigan), Paul Marotta (Micro Nuclear LLC), Piyush Sabharwall (Idaho National Laboratory), Milos Burger (University of Michigan), Patrick Skrodzki (University of Michigan)
Paper
Presentation Video (Visible to Attendees)
Comparative oxidation studies of glassy carbon and nuclear graphite in air
Yaqiao Wu (Boise State University), John Stempien (Idaho National Laboratory), Junhua Jiang (Idaho National Laboratory)
Impact of Ionizing Irradiation on Surface Wettability: Fundamentals and Application in Engineering Superhydrophobic Surfaces
Arunkumar Seshadri (Massachusetts Institute of Technology), Eric C. Forrest (Sandia National Laboratories), Bren A. Philips (Massachusetts Institute of Technology), Koroush Shirvan (Massachusetts Institute of Technology)
Preparation of U-10Zr Alloys for Irradiation Testing in the Advanced Test Reactor to Enable MARMOT Assessment and Validation
Doug L. Porter (Idaho National Laboratory), Mitchell K. Meyer (Idaho National Laboratory), Karim Ahmed (Texas A&M University), J. K. Jewell (Idaho National Laboratory), Laura Sudderth (Idaho National Laboratory), Moiz I. Butt (Texas A&M University), Sean M. McDeavitt (Texas A&M University)