Evaluation of Co-C, Ni-C, Re-C and δ(MoC)-C Fixed Points Fabricated at KRISS

  • Abdallah Mohamad Karmalawi
  • Saber Gomaa Rabie Salim
  • Yong Shim Yoo
  • Mohamed Amin Soliman
  • Bong Hak Kim
  • Sun Do Lim
Regular Paper
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Abstract

This paper presents the recent work that has been carried out at the Korea Research Institute of Standards and Science (KRISS) to fabricate and evaluate high temperature eutectic/peritectic fixed points: Co-C, Ni-C, Re-C and δ(MoC)-C fixed points. The research has been conducted as part of an internal research project that aims at fabricating high quality eutectic fixed points and measuring their thermodynamic temperatures with the lowest possible uncertainty. The fabrication procedures and instruments used for fabrication and investigation are described in details. ITS-90 temperatures for the four fixed points measured are presented with a melting range, repeatability, and expanded uncertainty. The Co-C and the Re-C fixed points are compared with those made at All-Russian Research Institute of Optical and Physical Measurements Federal State Unitary Enterprise (VNIIOFI) to validate our works. The results are also presented.

Keywords

Radiation thermometry High temperature fixed points Blackbody Furnace uniformity 

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Copyright information

© Korean Society for Precision Engineering and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Division of Physical MetrologyKorea Research Institute of Standards and ScienceDaejeonRepublic of Korea
  2. 2.Division of Photometry and RadiometryNational Institute for Standards (NIS), President Sadat St., Al-HaramGizaEgypt
  3. 3.Department of Physics, Faculty of ScienceCairo UniversityOrman, GizaEgypt
  4. 4.Measurement ScienceKorea University of Science and TechnologyDaejeonRepublic of Korea

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