Finite Element Welding Residual Stress Analysis of CRDM Penetration Nozzles

Seung Jae Kim, Eui Kyun Park, Hong Yeol Bae, Ju Hee Kim, Nam Su Huh, Yun Jae Kim

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    This article investigates numerically welding residual stress distributions of a tube with J-groove weld in control rod drive mechanisms of a pressurized nuclear reactor vessel. Parametric study is performed for the effect of the tube location, tube dimensions, and material's yield strength. It is found that residual stresses increase with increasing the inclination angle of the tube, and the up-hill side is the most critical. For thicker tube, residual stresses decrease. For material's yield strength, both axial and hoop residual stresses tend to increase with increasing the yield strength of Alloy 600. Furthermore, axial stresses tend to increase with increasing yield strength of Alloys 82/182.

    Original languageEnglish
    Article number011503
    JournalJournal of Pressure Vessel Technology, Transactions of the ASME
    Volume144
    Issue number1
    DOIs
    Publication statusPublished - 2022 Feb

    Bibliographical note

    Publisher Copyright:
    © 2022 American Society of Mechanical Engineers (ASME). All rights reserved.

    ASJC Scopus subject areas

    • Safety, Risk, Reliability and Quality
    • Mechanics of Materials
    • Mechanical Engineering

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