A Unified and Mechanistic Approach to Creep-Fatigue Damage

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Description

A new creep-fatigue equation is proposed that takes into account both plastic strain and strain rate. The coefficients and exponents in the damage-rate equation are interpreted by means of the various damage mechanisms of the material. The damage-rate equation has been integrated to analyze various phenomena such as the effects of plastic strain rate on monotonic tensile or creep rupture time, rising mean strain on the low-cycle fatigue behavior at elevated temperature, tensile and compressive hold times on the low-cycle fatigue life at elevated temperature, and cyclic creep. The proposed approach has been successfully applied to elevated-temperature data generated at … continued below

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vi, 32 p. : charts

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Majumdar, S. & Maiya, P. S. January 1976.

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  • Main Title: A Unified and Mechanistic Approach to Creep-Fatigue Damage
  • Added Title: ANL (Series)
  • Added Title: Argonne National Laboratory Report ANL-76-58
  • Series Title: Argonne National Laboratory Reports

Description

A new creep-fatigue equation is proposed that takes into account both plastic strain and strain rate. The coefficients and exponents in the damage-rate equation are interpreted by means of the various damage mechanisms of the material. The damage-rate equation has been integrated to analyze various phenomena such as the effects of plastic strain rate on monotonic tensile or creep rupture time, rising mean strain on the low-cycle fatigue behavior at elevated temperature, tensile and compressive hold times on the low-cycle fatigue life at elevated temperature, and cyclic creep. The proposed approach has been successfully applied to elevated-temperature data generated at Argonne National Laboratory and elsewhere for Type 304 austenitic stainless steel under various monotonic and cyclic-loading conditions.

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vi, 32 p. : charts

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  • OCLC: 878681411
  • SuDoc Number: Y 3.AT 7:22/ANL-76-58
  • Report No.: ANL-76-58
  • Grant Number: W-31-109-Eng-38
  • Archival Resource Key: ark:/67531/metadc282702

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Technical Report Archive and Image Library

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  • January 1976

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  • Aug. 4, 2015, 8:33 a.m.

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Majumdar, S. & Maiya, P. S. A Unified and Mechanistic Approach to Creep-Fatigue Damage, report, January 1976; Argonne, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc282702/: accessed May 29, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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