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A Study on the Factors Behind North Korea's Adoption of Graphite Reactor-Type Nuclear Fuel: Focusing on Technological Features and the Autonomy Process (1950s-1980s)

  • The Journal of Northeast Asia Research
  • Abbr : NEA
  • 2026, 41(1), pp.123~150
  • DOI : 10.18013/jnar.2026.41.1.005
  • Publisher : The Institute for Northeast Asia Research
  • Research Area : Social Science > Political Science > International Politics > International Relations / Cooperation
  • Received : December 31, 2025
  • Accepted : February 24, 2026
  • Published : February 28, 2026

Cho JooHyung 1 HONG YONG PYO 1

1한양대학교

Accredited

ABSTRACT

This study focuses on why North Korea(NK) adopted a Natural Uranium-fueled(NU) Graphite-Moderated Reactor(GMR) instead of the Soviet-style Enriched nuclear fuel-based Light-Water Reactor(LWR) system, despite the Soviet Union's support for nuclear energy from the 1950s to the 1980s. Specifically, this study utilizes policy-data on NK's early Soviet-supported reactors and its newly developed GMR, employing an interdisciplinary approach that combines technological analysis and international political analysis. According to this study, the Soviet Union's partial nuclear cooperation with NK ostensibly maintained the constraints on nuclear proliferation, but it also deepened North Korea's dependence on the Soviet Union. Ultimately, NK sought to circumvent Soviet interference by adopting NU and GMR, thereby strengthening its own potential and autonomy. Ultimately, NK's adoption of NU-GMR was a strategic decision aimed at achieving nuclear independence against the Soviet Union.

Citation status

* References for papers published after 2024 are currently being built.

This paper was written with support from the National Research Foundation of Korea.