Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Synthesis of 58Ni Target and Co Diffused Rh Composite for Application of Mössbauer Source

뫼스바우어선원 적용을 위한 58Ni 표적체 및 Co가 확산된 Rh복합재 제조

  • Uhm, Young Rang (Radioisotope Research Division, Korea Atomic Energy Research Institute) ;
  • Choi, Sang Mu (Radioisotope Research Division, Korea Atomic Energy Research Institute) ;
  • Kim, Jong-bum (Radioisotope Research Division, Korea Atomic Energy Research Institute) ;
  • Son, Kwang Jae (Radioisotope Research Division, Korea Atomic Energy Research Institute)
  • 엄영랑 (한국원자력연구원 동위원소이용연구부) ;
  • 최상무 (한국원자력연구원 동위원소이용연구부) ;
  • 김종범 (한국원자력연구원 동위원소이용연구부) ;
  • 손광재 (한국원자력연구원 동위원소이용연구부)
  • Received : 2015.11.11
  • Accepted : 2015.12.07
  • Published : 2015.12.28
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Abstract

The en-riched $^{58}Ni$ powders are dissolved in acid solution and coated on a Cu target for proton irradiation at cyclotron to produce $^{57}Co$ radioisotope. The condition of the plating bath and the coating process are determined using the en-riched powders. To establish the coating conditions for $^{57}Co$, non-radioactive Co ions are dissolved in an acid solution and electroplated on to a rhodium plate. The thermal diffusion of electroplated Co into a rhodium matrix was studied to apply a $^{57}Co$ Mssbauer source. The diffusion depth from surface to matrix of Co is depended on the annealing temperature and time. The deposited Co atoms diffuse completely into a rhodium (Rh) matrix without substantial loss at an annealing temperature of 1200 for 4 hours.

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References

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