High temperature low cycle fatigue properties of a HF30-type cast austenitic stainless steel

Yoon Jun Kim, Ho Jang, Yong Jun Oh

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

This work investigated the high temperature low cycle fatigue behavior of HF30-type, cast austenitic stainless steel. In addition to the preliminary results from tensile and thermal expansion tests, isothermal strain controlled fatigue tests at 600 °C and 800 °C were carried out with a total strain amplitude from ±0.20 % to ±0.65% and with a strain rate of 10-3/s. The plastic strain amplitudes during cyclic strain loading were measured and correlated with the fatigue lifetime using Coffin-Manson plots at each test temperature. These plots were re-constructed into a general superposition curve containing the results from both temperatures using a constitutive equation of the energy criterion for fatigue failure in terms of thermally activated dislocation motion. The cast and wrought stainless steels showed similar fatigue properties.

Original languageEnglish
Pages (from-to)244-249
Number of pages6
JournalMaterials Science and Engineering A
Volume526
Issue number1-2
DOIs
Publication statusPublished - 2009 Nov 25

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austenitic stainless steels
Austenitic stainless steel
casts
plots
Fatigue of materials
cycles
fatigue tests
constitutive equations
strain rate
stainless steels
thermal expansion
plastics
life (durability)
Temperature
expansion
temperature
curves
Stainless Steel
Constitutive equations
Thermal expansion

Keywords

  • Cast stainless steel
  • Coffin-Manson equation
  • Low cycle fatigue

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

High temperature low cycle fatigue properties of a HF30-type cast austenitic stainless steel. / Kim, Yoon Jun; Jang, Ho; Oh, Yong Jun.

In: Materials Science and Engineering A, Vol. 526, No. 1-2, 25.11.2009, p. 244-249.

Research output: Contribution to journalArticle

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