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US-based BWX Technologies (BWXT) announced that its BWXT Nuclear Operations Group subsidiary has completed its TRIstructural-ISOtropic (TRISO) nuclear fuel line restart project and is producing fuel at its Lynchburg facility in Virginia.

Date: Friday, 13 November 2020
Original article: neimagazine.com/news/newsbwxt-restarts-triso-fuel-line-8359001

A cross-section of a Triso fuel pellet. Photo courtesy Idaho National Laboratory. Idaho National Laboratory has awarded the nuclear operations subsidiary of US-based BWX Technologies a contract to expand and upgrade its Triso nuclear fuel manufacturing line.

The $26m contract will expand BWXT’s Triso capacity for the manufacture of Triso fuel compacts and upgrade existing systems for delivering production-scale quantities of Triso fuel.

Triso refers to a specific design of uranium nuclear reactor fuel. Triso is a shortened form of the term Tristructural-Isotropic. Tristructural refers to the layers of coatings surrounding the uranium fuel, and isotropic to the coatings having uniform materials characteristics in all directions so that fission products are essentially retained.

BWXT said it is the only US company to manufacture irradiation-tested uranium oxycarbide Triso fuel using production-scale equipment. Its Triso production facility is licensed to produce this type of high assay low enriched uranium (Haleu) fuel, which is undergoing validation in a series of experiments at Idaho National Laboratory’s advanced test reactor under the Department of Energy’s advanced gas-cooled reactor programme.

Date: Saturday, 04 July 2020
Original article: nucnet.org/news/bwxt-wins-usd26m-contract-to-expand-and-upgrade-production-line-7-5-2020

US-based BWX Technologies (BWXT) announced on 1 July that its Nuclear Operations Group subsidiary has been awarded a competitively bid contract by the Idaho National Laboratory (INL) to expand and upgrade its TRIstructural-ISOtropic  (TRISO) nuclear fuel manufacturing line.

Date: Friday, 03 July 2020
Original article: neimagazine.com/news/newsbwxt-wins-contract-to-expand-triso-fuel-production-8006799

Idaho National Laboratory has awarded BWX Technologies Inc a USD26 million, 20-month contract to expand and upgrade its manufacturing line for TRISO nuclear fuel. The award, to BWXT Nuclear Operations Group, Inc, (BWXT NOG), will expand its capacity for the manufacture of TRISO fuel compacts and also upgrade existing systems for delivering production-scale quantities of the fuel, BWXT said.

Date: Friday, 03 July 2020
Original article: world-nuclear-news.org/Articles/BWXT-wins-contract-to-expand-TRISO-production

US company X-energy has announced it is to be the exclusive counterparty to supply fuel to Japan's high-temperature gas-cooled reactor under a teaming arrangement with Nuclear Fuel Industries (NFI) of Japan.

Date: Wednesday, 01 July 2020
Original article: world-nuclear-news.org/Articles/X-energy-and-NFI-team-up-to-supply-HTGR-fuel

Restart activities at BWX Technologies Inc's (BWXT) TRISO fuel manufacturing facility in Lynchburg, Virginia are progressing ahead of schedule, the company said yesterday. It has completed the demonstration of the fuel kernel sintering process and plans to bring two additional furnaces online to meet projected production demand before restart activities are complete.

Date: Thursday, 23 April 2020
Original article: world-nuclear-news.org/Articles/Kernel-formation-marks-progress-towards-TRISO-rest

The US Department of Defense (DoD) is seeking public comment on a proposal to construct and demonstrate a prototype advanced mobile nuclear microreactor to support its domestic and operational energy demands. This is expected to be a small advanced gas reactor using high-assay low enriched uranium tristructural isotropic (TRISO) fuel and air cooling.

Date: Wednesday, 04 March 2020
Original article: world-nuclear-news.org/Articles/US-Defense-Department-seeks-comment-on-microreacto

Individual TRISO fuel particles at 100um scale. Image courtesy Idaho National Laboratory. US-based companies Global Nuclear Fuel (GNF) and X-energy have agreed to cooperate on the production of Triso nuclear fuel to potentially supply the US Department of Defense for micro-reactors and NASA for its nuclear thermal propulsion needs.

GNF said in a statement that the two companies will work on the development of high-assay low-enriched uranium (Haleu) Triso fuel, combining X-energy’s commercial-scale Triso production equipment and GNF’s fuel fabrication facility in Wilmington, North Carolina.

Triso, a shortened form of the term tristructural-isotropic, refers to a specific design of uranium nuclear reactor fuel. Tristructural refers to the layers of coatings surrounding the uranium fuel, and isotropic refers to the kernel being the same size in each direction since it takes the shape of a sphere.

Date: Thursday, 07 November 2019
Original article: nucnet.org/news/gnf-and-x-energy-to-cooperate-on-triso-development-for-us-needs-11-3-2019

BWX Technologies, Inc announced today that it is in the process of restarting its existing uranium oxycarbide tristructural isotropic (TRISO) fuel production line at its Lynchburg, Virginia facility. The company - the only US manufacturer of such fuel - also plans to expand its production capacity.

Date: Thursday, 03 October 2019
Original article: world-nuclear-news.org/Articles/BWXT-ramps-up-TRISO-fuel-production-capacity

Lead test assemblies of Westinghouse EnCore fuel rods containing uranium silicide fuel pellets have been loaded into a commercial nuclear power plant for the first time. The fuels, developed through the US Department of Energy's (DOE) accident tolerant fuels programme, were loaded into Exelon's Byron unit 2 during a scheduled refuelling outage.

Date: Thursday, 12 September 2019
Original article: world-nuclear-news.org/Articles/US-begins-first-commercial-testing-of-silicide-fue