The concept of an innovative plate-type steam generator (SG) for a fast reactor, fabricated using hot isostatic pressing (HIP), was presented. The heat-transfer plate, which is assembled with rectangular tubes and fabricated using HIP, is surrounded by a leak-detection layer. The optimum form for the detection layer was determined by crack extension analysis. The concept can be applied in both pool-type and loop-type liquid-metal cooled fast reactors (LMFRs). In this report, the fabrication technique is described as applied to a loop-type LMFR. Optimum HIP conditions of 1423 K , , and 3 h for modified 9Cr–1Mo steel were determined from HIP tests, tensile tests, and structural inspection. Nickel-type solder (BNi-5) and gold-type solder (BAu-4) were examined as potential joining materials to laminate the heat-transfer plates. Tensile test comparisons showed that BAu-4 was superior, so it was used. No problems were observed in the fabrication of a partial model of a SG (HIP of the rectangular tubes, brazing the plates, welding the header, etc.)
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e-mail: y-nishi@criepi.denken.or.jp
e-mail: kinosita@criepi.denken.or.jp
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March 2009
Research Papers
Development of an Innovative Plate-Type SG for Sodium Cooled Fast Reactor: Concept and Test Fabrication
Yoshihisa Nishi,
e-mail: y-nishi@criepi.denken.or.jp
Yoshihisa Nishi
Central Research Institute of Electric Power Industry (CRIEPI)
, 2-11-1 Iwado Kita, Komae-shi, Tokyo 201-8511, Japan
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Izumi Kinoshita
e-mail: kinosita@criepi.denken.or.jp
Izumi Kinoshita
Central Research Institute of Electric Power Industry (CRIEPI)
, 2-11-1 Iwado Kita, Komae-shi, Tokyo 201-8511, Japan
Search for other works by this author on:
Yoshihisa Nishi
Central Research Institute of Electric Power Industry (CRIEPI)
, 2-11-1 Iwado Kita, Komae-shi, Tokyo 201-8511, Japan
e-mail: y-nishi@criepi.denken.or.jp
Izumi Kinoshita
Central Research Institute of Electric Power Industry (CRIEPI)
, 2-11-1 Iwado Kita, Komae-shi, Tokyo 201-8511, Japan
e-mail: kinosita@criepi.denken.or.jp
J. Eng. Gas Turbines Power. Mar 2009, 131(2): 022902 (7 pages)
Published Online: December 30, 2008
Article history
Received:
July 22, 2008
Revised:
September 16, 2008
Published:
December 30, 2008
Citation
Nishi, Y., and Kinoshita, I. (December 30, 2008). "Development of an Innovative Plate-Type SG for Sodium Cooled Fast Reactor: Concept and Test Fabrication." ASME. J. Eng. Gas Turbines Power. March 2009; 131(2): 022902. https://doi.org/10.1115/1.3032417
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