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Combined Load and Displacement Controlled Testing to Support Development of Simplified Component Design Rules for Elevated Temperature Service

[+] Author Affiliations
Yanli Wang

Oak Ridge National Laboratory, Oak Ridge, TN

Robert I. Jetter

R.I. Jetter Consulting, Pebble Beach, CA

Mark C. Messner, Subhasish Mohanty, T.-L. Sham

Argonne National Laboratory, Lemont, IL

Paper No. PVP2017-65455, pp. V01BT01A016; 6 pages
  • ASME 2017 Pressure Vessels and Piping Conference
  • Volume 1B: Codes and Standards
  • Waikoloa, Hawaii, USA, July 16–20, 2017
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5791-5
  • Copyright © 2017 by ASME


Combined load and displacement controlled test results are being used to develop and verify a simplified component design methodology for elevated temperature service. A key feature of the proposed design methodology is the use of rules for the evaluation of strain limits that are based on the application of elastic-perfectly plastic (EPP) analysis method with a pseudo yield stress to bound component response to applied loadings. The resulting strain ranges would then be used as input to the evaluation of creep-fatigue damage. This paper describes testing with two separate servo-hydraulic machines that are electronically coupled in parallel to represent combined loading effects on a two-bar test configuration.

Copyright © 2017 by ASME



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