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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.
October 20, 2021|12:00–12:30PM (1:00–1:30PM EDT)
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This special event highlighted the 2021 Student Conference Pitch Your Research winner, Haozheng Qu. Haozheng is a PhD student in the Department of Materials Engineering at Purdue University, supervised by Prof. Janelle P. Wharry in the Microstructure Science Group. He received his BS in Mechanical Engineering (2018) and MS in Industrial Engineering (2020) at Purdue University. Haozheng delved into his recent materials research: An EBSD analysis of transgranular stress corrosion cracking (TGSCC) propagation in the 304L austenitic stainless steel.
Presenter
Haozheng Qu, Purdue University
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