Materials testing reactor

Not to be confused with the Materials Testing Reactor, an early reactor that operated in Idaho from 1952 to 1970.

A materials testing reactor (MTR) is a high-flux research nuclear reactor aimed at studying materials exposed to a high neutron flux.

United States

The first Materials Testing Reactor (MTR), was designed jointly by Oak Ridge National Laboratory and Argonne National Laboratory and operated in Idaho from 1952-1970. ^{[1] [2]}

Other Examples

Materials testing reactors include:

• BR2, the Belgian Reactor 2, moderated with a paraboloid beryllium matrix, in operation at SCK CEN since 1962. ^[3]
• Dounreay Materials Testing Reactor, a Dido class reactor in the United Kingdom.
• ETRR-2, at the nuclear research center in Inshas, Egypt.
• Jules Horowitz Reactor, under construction at the Cadarache nuclear facility in southern France. ^[4]
• Research reactor in Petten, the Netherlands.
• Pakistan Institute of Nuclear Science & Technology (PINSTECH) in Pakistan.
• Reactor Technology Complex of the Idaho National Laboratory in Idaho, United States.
• RV-1 nuclear reactor in Venezuelan Institute for Scientific Research, Venezuela.
• SAFARI-1, outside of Pretoria, South Africa, also used to produce medical isotopes.
• RSG G.A Siwabessy in Serpong, Indonesia
• Japan Material Testing Reactor (1968 to 2021). ^[5]

See also

• List of nuclear reactors
• Nuclear research reactors

References

1. Studsvik, A message from; PacTec, A message from (2025-07-25). "The MTR—Gone now, but not forgotten". American Nuclear Society -- ANS. Retrieved 2025-07-25.
2. "Materials Testing Reactor" (PDF). Physics Today. 5 (6): 27–28. 1952-06-01. doi: 10.1063/1.3067632 . ISSN   0031-9228 . Retrieved 2025-07-25.
3. Baugnet, J.M.; Roedt, Ch. de; Gubel, P.; Koonen, E. (2025-01-14). "The BR2 materials testing reactor. Past, ongoing and under-study upgradings". INIS – International Nuclear Information System. p. 34–34. Retrieved 2025-07-25.
4. "Jules Horowitz Materials Testing Reactor (JHR)". Rincón educativo. 2024-01-10. Retrieved 2025-07-25.
5. "Japan Atomic Energy Agency Oarai Nuclear Engineering Institute". 国立研究開発法人日本原子力研究開発機構. Retrieved 2025-07-25.

External links

• Ne.anl.gov: MTR Reactors designed by the Argonne National Laboratory
• Docs.google.com: Materials Testing Reactor