An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules

Messner, M. C.; Sham, T. -L.

doi:10.2172/1658588

Title: An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules

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Abstract

This report develops a method for assessing the design margin of the ASME Section III, Division 5 Class A design rules, focusing on a definition of margin as the ratio between the actual, expected component life and the ASME design life. Full inelastic finite element simulations with a complete damage model capturing the available creep, creep-fatigue, fatigue, and tension test failure data produce the expected component lives, which can then be compared to corresponding ASME design calculations. The focus of this particular work is on Alloy 617 and the ASME creep-fatigue design rules, but the approach is general and could be applied to other design limits and to other materials. A margin assessment of a representative Alloy 617 component shows the ASME creep-fatigue design rules applied to this component have a margin of 10 on design life. The report describes several challenges in completing a more comprehensive margin assessment of the ASME rules, in particular challenges in developing probabilistic assessment methods for high temperature structural components. The report details these challenge and discusses the immediate possibilities of the deterministic margin assessment method developed here.

Authors:

Messner, M. C. ^[1]; Sham, T. -L. ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: 2020-09-01

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1658588

Report Number(s):: ANL-ART-196
162085; TRN: US2202315

DOE Contract Number:: AC02-06CH11357

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 22 GENERAL STUDIES OF NUCLEAR REACTORS; 42 ENGINEERING

Citation Formats


                    Messner, M. C., and Sham, T. -L.. An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules.  United States: N. p., 2020. 
        Web.  doi:10.2172/1658588.

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                    Messner, M. C., & Sham, T. -L.. An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules.  United States.  https://doi.org/10.2172/1658588

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                    Messner, M. C., and Sham, T. -L.. 2020.  
        "An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules".  United States.  https://doi.org/10.2172/1658588.  https://www.osti.gov/servlets/purl/1658588.

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@article{osti_1658588,

  title        = {An Initial Assessment of the Design Margins of Different ASME Section III, Division 5 Design Rules},

  author       = {Messner, M. C. and Sham, T. -L.},

  abstractNote = {This report develops a method for assessing the design margin of the ASME Section III, Division 5 Class A design rules, focusing on a definition of margin as the ratio between the actual, expected component life and the ASME design life. Full inelastic finite element simulations with a complete damage model capturing the available creep, creep-fatigue, fatigue, and tension test failure data produce the expected component lives, which can then be compared to corresponding ASME design calculations. The focus of this particular work is on Alloy 617 and the ASME creep-fatigue design rules, but the approach is general and could be applied to other design limits and to other materials. A margin assessment of a representative Alloy 617 component shows the ASME creep-fatigue design rules applied to this component have a margin of 10 on design life. The report describes several challenges in completing a more comprehensive margin assessment of the ASME rules, in particular challenges in developing probabilistic assessment methods for high temperature structural components. The report details these challenge and discusses the immediate possibilities of the deterministic margin assessment method developed here.},

  doi          = {10.2172/1658588},

  url          = {https://www.osti.gov/biblio/1658588},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {9}

}

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