Effect of Temperature Changes on the Waveform of Fatigue Damage Accumulation

Stanisław Mroziński; Michał Piotrowski

doi:10.4028/www.scientific.net/KEM.598.160

Paper Titles

Impact of the Strain Rate during Tension Test on 46Cr1 Steel Temperature Change
p.133

Improving Fatigue Life of Riveted Joints by Rivet Hole Sizing
p.141

Energy Fatigue Characteristic of C45 Steel Subjected to Cyclic Bending
p.147

About Fatigue Tests End Criterion in Elevated Temperatures
p.153

Effect of Temperature Changes on the Waveform of Fatigue Damage Accumulation
p.160

Cleavage Fracture of Ultra-High-Strength Steels. Microscopic Observations. Numerical Analysis. Local Fracture Criterion
p.168

Master Curve of High-Strength Ferritic Steel S960-QC
p.178

Numerical Analysis of the Failure Processes of Plates Made of S 960 QC Steel
p.184

Temperature Influence on σ₀ and n Characteristics in the R-O Relationship for High-Strength Steel
p.190

HomeKey Engineering MaterialsKey Engineering Materials Vol. 598Effect of Temperature Changes on the Waveform of...

Effect of Temperature Changes on the Waveform of Fatigue Damage Accumulation

Abstract:

In this paper there have been presented the results of low-cycle fatigue tests of steel P91 samples in the conditions of isothermal fixed amplitude loads as well as loads with a temperature change. Fixed amplitude isothermal loads were conducted on five levels of full strain and in two temperatures T1=20°C and T2=600°C. In the paper there has been found a significant influence of the sequence of temperature changes on the cyclic properties after the temperature change and on the fatigue life. The conducted experimental verification of the Palmgren-Miner hypothesis proved its influence on the temperature changes during the tests.

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Periodical:

Key Engineering Materials (Volume 598)

Pages:

160-167

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.598.160

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Online since:

January 2014

Authors:

Stanisław Mroziński, Michał Piotrowski*

Keywords:

Fatigue Life, Low-Cycle Fatigue Test, Palmgren-Miner Hypothesis, Steel P91, Temperature Change

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References

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