techLIVE
US labs look to new materials to close China's nuclear lead
Pacific Northwest National Laboratory researchers develop V555 metal alloy to help the US close China's nuclear lead.
Key points
- PNNL researchers say the V555 alloy withstood stresses of up to 600 MPa at room temperature.
- The robust alloy design (RAD) process is used to rapidly screen, simulate and optimize materials for nuclear power.
- Gavekal analyst Damien Ma says China can build a new plant in about six years, versus over a decade for Vogtle reactors in the US.
Why it matters. The alloy could make the material indispensable in future nuclear reactor designs, as the US seeks to counter China's lead in the sector.
The Department of Energy's Pacific Northwest National Laboratory announced this week a metal alloy, V555, that withstood stresses of up to 600 megapascals at room temperature. The lab said the finding confirms its robust alloy design (RAD) process, which screens, simulates and optimizes materials for nuclear power uses. Gavekal Technologies analyst Damien Ma said China can build a new plant in about six years, versus more than a decade for the latest US Vogtle reactors.
Latest updates
US labs look to new materials to close China's nuclear lead
A new PNNL alloy and AI-driven materials research could help the U.S. narrow China's nuclear lead, but a WSJ op-ed calls the focus misguided. The United States is racing to reestablish itself as a frontrunner in the global nuclear energy sector. While the country still maintains its status as the world’s largest nuclear power producer, it likely won’t be able to hold onto that accolade for long. China has vastly outspent the United States on nuclear power research and development for years now. As a result, its sector is younger, more advanced, and growing at a fast clip while the American fleet stagnates and its reactors age out. Moreover, China is pushing the envelope on next-gen nuclear technologies like small modular reactors and molten salt reactors, giving Beijing a great degree of control in the sector’s future direction. “By a wide margin, China will have the world’s most dynamic and significant nuclear industry through 2035,” Damien Ma, energy lead analyst for Gavekal Technologies, wrote in a 2026 report, as quoted by the South China Morning Post in June. “Construction efficiencies mean China can build a new plant in about six years, compared with more than a decade for the latest Vogtle reactors in the US,” Ma went on to say. But the Trump administration is determined to change that narrative, with the stated intent to “ produce lasting American dominance in the globa.