This paper describes a new extension of the linear matching method (LMM) for the direct evaluation of cyclic behavior with creep effects of structures subjected to a general load condition in the steady cyclic state, with the new implementation of the cyclic hardening model and time hardening creep constitutive model. A benchmark example of a Bree cylinder and a more complicated three-dimensional (3D) plate with a center hole subjected to cyclic thermal load and constant mechanical load are analyzed to verify the applicability of the new LMM to deal with the creep fatigue damage. For both examples, the stabilized cyclic responses for different loading conditions and dwell time periods are obtained and validated. The effects of creep behavior on the cyclic responses are investigated. The new LMM procedure provides a general purpose technique, which is able to generate both the closed and nonclosed hysteresis loops depending upon the applied load condition, providing details of creep strain and plastic strain range for creep and fatigue damage assessments with creep fatigue interaction.
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December 2014
Research-Article
A Direct Method on the Evaluation of Cyclic Steady State of Structures With Creep Effect
Haofeng Chen,
Haofeng Chen
1
Department of Mechanical Engineering,
e-mail: haofeng.chen@strath.ac.uk
University of Strathclyde
,Glasgow G1 1XJ
, UK
e-mail: haofeng.chen@strath.ac.uk
1Corresponding author.
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Weihang Chen,
Weihang Chen
Department of Mechanical Engineering,
University of Strathclyde
,Glasgow G1 1XJ
, UK
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James Ure
James Ure
Department of Mechanical Engineering,
University of Strathclyde
,Glasgow G1 1XJ
, UK
Search for other works by this author on:
Haofeng Chen
Department of Mechanical Engineering,
e-mail: haofeng.chen@strath.ac.uk
University of Strathclyde
,Glasgow G1 1XJ
, UK
e-mail: haofeng.chen@strath.ac.uk
Weihang Chen
Department of Mechanical Engineering,
University of Strathclyde
,Glasgow G1 1XJ
, UK
James Ure
Department of Mechanical Engineering,
University of Strathclyde
,Glasgow G1 1XJ
, UK
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received April 23, 2012; final manuscript received July 31, 2014; published online September 15, 2014. Assoc. Editor: Osamu Watanabe.
J. Pressure Vessel Technol. Dec 2014, 136(6): 061404 (10 pages)
Published Online: September 15, 2014
Article history
Received:
April 23, 2012
Revision Received:
July 31, 2014
Citation
Chen, H., Chen, W., and Ure, J. (September 15, 2014). "A Direct Method on the Evaluation of Cyclic Steady State of Structures With Creep Effect." ASME. J. Pressure Vessel Technol. December 2014; 136(6): 061404. https://doi.org/10.1115/1.4028164
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