Materials for high performance light water reactors

K. Ehrlich, J. Konys (Corresponding Author), Liisa Heikinheimo

Research output: Contribution to journalArticleScientificpeer-review

67 Citations (Scopus)

Abstract

A state-of-the-art study was performed to investigate the operational conditions for in-core and out-of-core materials in a high performance light water reactor (HPLWR) and to evaluate the potential of existing structural materials for application in fuel elements, core structures and out-of-core components. In the conventional parts of a HPLWR-plant the approved materials of supercritical fossil power plants (SCFPP) can be used for given temperatures (⩽600 °C) and pressures (≈250 bar). These are either commercial ferritic/martensitic or austenitic stainless steels. Taking the conditions of existing light water reactors (LWR) into account an assessment of potential cladding materials was made, based on existing creep-rupture data, an extensive analysis of the corrosion in conventional steam power plants and available information on material behaviour under irradiation. As a major result it is shown that for an assumed maximum temperature of 650 °C not only Ni-alloys, but also austenitic stainless steels can be used as cladding materials.
Original languageEnglish
Pages (from-to)140-147
Number of pages8
JournalJournal of Nuclear Materials
Volume327
Issue number2-3
DOIs
Publication statusPublished - 2004
MoE publication typeA1 Journal article-refereed

Fingerprint

light water reactors
Light water reactors
austenitic stainless steels
power plants
Austenitic stainless steel
martensitic stainless steels
nuclear fuel elements
ferritic stainless steels
Martensitic stainless steel
fossils
Steam power plants
steam
corrosion
Power plants
Creep
irradiation
temperature
Irradiation
Corrosion
Temperature

Keywords

  • light water reactors
  • LWR
  • HPLWR

Cite this

Ehrlich, K. ; Konys, J. ; Heikinheimo, Liisa. / Materials for high performance light water reactors. In: Journal of Nuclear Materials. 2004 ; Vol. 327, No. 2-3. pp. 140-147.
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Materials for high performance light water reactors. / Ehrlich, K.; Konys, J. (Corresponding Author); Heikinheimo, Liisa.

In: Journal of Nuclear Materials, Vol. 327, No. 2-3, 2004, p. 140-147.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Ehrlich, K.

AU - Konys, J.

AU - Heikinheimo, Liisa

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AB - A state-of-the-art study was performed to investigate the operational conditions for in-core and out-of-core materials in a high performance light water reactor (HPLWR) and to evaluate the potential of existing structural materials for application in fuel elements, core structures and out-of-core components. In the conventional parts of a HPLWR-plant the approved materials of supercritical fossil power plants (SCFPP) can be used for given temperatures (⩽600 °C) and pressures (≈250 bar). These are either commercial ferritic/martensitic or austenitic stainless steels. Taking the conditions of existing light water reactors (LWR) into account an assessment of potential cladding materials was made, based on existing creep-rupture data, an extensive analysis of the corrosion in conventional steam power plants and available information on material behaviour under irradiation. As a major result it is shown that for an assumed maximum temperature of 650 °C not only Ni-alloys, but also austenitic stainless steels can be used as cladding materials.

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