Temperature Effects on the Strainrange Partitioning Approach for Creep Fatigue Analysis

GR Halford; MH Hirschberg; SS Manson

doi:10.1520/STP38877S

SYMPOSIA PAPER Published: 01 January 1973

STP38877S

Temperature Effects on the Strainrange Partitioning Approach for Creep Fatigue Analysis

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Examination is made of the influence of temperature on the strain-range partitioning approach to creep fatigue. Results for 2¼Cr-1Mo steel and Type 316 stainless steel show the four partitioned strainrange-life relationships to be temperature insensitive to within a factor of two on cyclic life. Monotonic creep and tensile ductilities were also found to be temperature insensitive to within a factor of two.

The approach provides bounds of cyclic life that can be readily established for any type of inelastic strain cycle. Continuous strain cycling results obtained over a broad range of high temperatures and frequencies are in excellent agreement with bounds provided by the approach.

Author Information

Halford, GR

NASA-Lewis Research Center, Cleveland, Ohio

Hirschberg, MH

NASA-Lewis Research Center, Cleveland, Ohio

Manson, SS

NASA-Lewis Research Center, Cleveland, Ohio

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Details

Developed by Committee: E08

Pages: 658–669

DOI: 10.1520/STP38877S

ISBN-EB: 978-0-8031-5576-3

ISBN-13: 978-0-8031-5528-2

Temperature Effects on the Strainrange Partitioning Approach for Creep Fatigue Analysis

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