Startseite A comparative assessment of cyclic deformation behavior of SA333 Gr-6 steel at ambient and elevated temperatures
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A comparative assessment of cyclic deformation behavior of SA333 Gr-6 steel at ambient and elevated temperatures

  • Girendra Kumar , Himadri N. Bar , Ashok Kumar und Seetharaman Sivaprasad
Veröffentlicht/Copyright: 23. Oktober 2019
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 110 Heft 11

Abstract

The aim of this investigation is to study the comparative cyclic deformation behavior of SA333 Gr-6 steel at two different temperatures. Strain-controlled low cycle fatigue experiments were carried out at 1 × 10–3 s–1 strain rate at room temperature and 300 °C. Cyclic hardening of the steel was observed at both the temperatures. However, greater cyclic hardening was observed at 300 °C for all the strain amplitudes. Non-Masing behavior was observed at both the temperatures. Greater deviation from Masing behavior was observed at 300 °C due to generation of more dislocation activities. Higher dislocation density and sub-cell structure formation is associated with the hardening characteristic of the material. Lower fatigue lives were observed for all strain amplitudes at 300 °C in comparison to room temperature. This is due to the deleterious effect of dynamic strain aging, which is activated at 300 °C. The fracture surface reveals that with an increase in strain amplitude the number of crack initiation sites increases and the fatigue region decreases, which leads to a reduction in fatigue life.

Keywords: Low cycle fatigue; Cyclic hardening; Non-Masing behavior; Dynamic strain aging; Cell structure
∗Correspondence address, Mr. Girendra Kumar, Department of Metallurgical and Materials Engineering, National Institute of Technology Jamshedpur, Adityapur, Jamshedpur-831014, Jharkhand, India, Tel.: +91-7992283171, E-mail:

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Received: 2019-02-04
Accepted: 2019-06-27
Published Online: 2019-10-23
Published in Print: 2019-11-12

© 2019, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Note from the Editor-in-Chief
  5. Original Contributions
  6. The softening factor cb of commercial titanium alloy wires
  7. A comparative assessment of cyclic deformation behavior of SA333 Gr-6 steel at ambient and elevated temperatures
  8. Effects of Ni and Al on the Cu-precipitation in ferritic Fe–Cu–M (M = Ni or Al) alloy
  9. Effect of manganese on the microstructure and mechanical properties of magnesium alloys
  10. Effect of heat treatment and extrusion on wear properties of AZ91-Pr alloy
  11. Effect of anodization treatment on the mechanical properties and fatigue behavior of AA2017-T4 aluminum alloy Al–Cu–Mg1
  12. Microstructural and tribological characterization of molybdenum–molybdenum carbide structures produced by spark plasma sintering
  13. Investigation of indentation and dry sliding wear behaviour of Al-12.6 wt.% Si-10 wt.% TiB2 composites produced by sequential milling and pressureless sintering
  14. Enthalpies of mixing in ternary Ce–Cu–Sb liquid alloys
  15. Effect of in-situ formation of AlP on solidification of hypereutectic Al–Si alloy
  16. Complex-shaped high speed steel with high mechanical performance fabricated by gelcasting sintering
  17. Internal electromagnetic stirring method for preparing a large-sized aluminum alloy billet
  18. DGM News
  19. DGM News
https://doi.org/10.3139/146.111840
Schlagwörter für diesen Artikel
Low cycle fatigue; Cyclic hardening; Non-Masing behavior; Dynamic strain aging; Cell structure

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Note from the Editor-in-Chief
  5. Original Contributions
  6. The softening factor cb of commercial titanium alloy wires
  7. A comparative assessment of cyclic deformation behavior of SA333 Gr-6 steel at ambient and elevated temperatures
  8. Effects of Ni and Al on the Cu-precipitation in ferritic Fe–Cu–M (M = Ni or Al) alloy
  9. Effect of manganese on the microstructure and mechanical properties of magnesium alloys
  10. Effect of heat treatment and extrusion on wear properties of AZ91-Pr alloy
  11. Effect of anodization treatment on the mechanical properties and fatigue behavior of AA2017-T4 aluminum alloy Al–Cu–Mg1
  12. Microstructural and tribological characterization of molybdenum–molybdenum carbide structures produced by spark plasma sintering
  13. Investigation of indentation and dry sliding wear behaviour of Al-12.6 wt.% Si-10 wt.% TiB2 composites produced by sequential milling and pressureless sintering
  14. Enthalpies of mixing in ternary Ce–Cu–Sb liquid alloys
  15. Effect of in-situ formation of AlP on solidification of hypereutectic Al–Si alloy
  16. Complex-shaped high speed steel with high mechanical performance fabricated by gelcasting sintering
  17. Internal electromagnetic stirring method for preparing a large-sized aluminum alloy billet
  18. DGM News
  19. DGM News
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