Research on corrosion resistance of steam generator tube

Takaya Kusakabe, Toshio Yonezawa, Setsuo Tokunaga

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    In order to improve the reliability of PWR steam generators, we have performed research to improve the tubing material and tube-support-plate configuration, based on our wide operating experience, and have developed and verified TT Alloy 690 as the optimum tubing material and the BEC type tube-support design. In the research, we have studied the metallurgical mechanism of the alloy to improve its corrosion resistance, evaluated corrosion susceptible region quantitatively, estimated the actual environment in a steam generator and confirmed the reliability by a model boiler test over a long period. It has been verified that the steam generator with the latest design has higher reliability with respect to the corrosion resistance of tubes.

    Original languageEnglish
    Pages (from-to)6-10
    Number of pages5
    JournalTechnical Review - Mitsubishi Heavy Industries
    Volume33
    Issue number1
    Publication statusPublished - 1996 Dec 1

    ASJC Scopus subject areas

    • Mechanical Engineering

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