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Influence of Microstructure on the Low and High Cycle Fatigue Behaviour of a Medium Carbon Microalloyed Steel

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Veröffentlicht/Copyright: 13. Dezember 2021
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 92 Heft 12

Abstract

This paper reports the room temperature monotonie and cyclic stress–strain (CSS) response, the low and high cycle fatigue behaviour of a medium carbon microalloyed (MA) steel in different microstructural conditions obtained by isothermal transformation at 973, 773 and 573 K following austenitizing at 1123 K. The isothermal transformations resulted in coarse pearlite (CP), fine pearlite (FP), and acicular ferrite/bainite (AF/B microstores, respectively. In low cycle fatigue, the CP and FP microstructures exhibited cyclic softening at low total strain amplitudes (<0.6%) and cyclic hardening at higher total strain amplitudes The AF/B microstructure exhibited cyclic softening in the whole range of total strain amplitudes employed. In the FP microstructure similar CSS curves were obtained in both constant total strain amplitude and multiple step tests. In the AF/B microstructure, however, the CSS curve depended on the test procedure. Fatigue life in the LCF regime was greater (135%) for the CP microstructure compared with the FP and AF/B microstructures. Fatigue crack propagation in the pearlitic microstructures was through void growth and coalescence. In the AF/B microstructure it was by transgranular cleavage. The high cycle fatigue resistance (fatigue limit) of the FP structure was greatest (400 MPa) while that of the CP microstructure was the least (245 MPa). The fatigue limit correlated well with the cyclic yield strength (σcys) of the material and was approximately equal to 0.7σcys.

Keywords: Low cycle fatigue; Cyclic loading; Cyclic stress–strain; Ferrite–pearlite; Acicular ferrite; Bainite
Dr. V. Subramanya Sarma Institute for Solid State and Materials Research (IFW) Helmholtzstr. 20, 01069 Dresden, Germany Tel.:+49 3514659-0 Fax:+49 3514659 320

  1. Drs. J. J. Irani and O. N. Mohanty of TATA steel, Jamshedpur, India supplied the material used in this study. The authors thank the Department of Science and Technology, Government of India and DLR Cologne for funding this project under the Indo-German Science and Technology collaboration agreement. V. S. S. and K. A. P. thank the Alexander von Humboldt Foundation for supporting their stay in Germany. The assistance of Mr B. K. Jain in the fatigue experiments is acknowledged.

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Received: 2000-10-23
Published Online: 2021-12-13

© 2001 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Preisverleihung
  3. Werner-Köster-Preis 2000
  4. Aufsätze/Articles
  5. Decomposition of the Interstitial Solid Solution Pd(B)
  6. Texture Development in Al–Mg Alloys During High Temperature Annealing
  7. A Method for Determining the Weld Pool after Laser Beam Welding
  8. Composition–Pressure–Temperature Phase Diagram of the Silver–Germanium System
  9. Theoretical Study of P-Containing Transformation-Induced Plasticity Steel – Part 1: Determination of the Phosphorus Concentration
  10. Theoretical Study of P-Containing Transformation-Induced Plasticity Steel – Part 2: Analysis of the Potential TRIP Effect
  11. Influence of Microstructure on the Low and High Cycle Fatigue Behaviour of a Medium Carbon Microalloyed Steel
  12. Temperature Dependence of the Viscosity of Al–Sr Alloy Melts
  13. Preparation of an Al–Sr Master Alloy by Molten Salts Electrolysis
  14. Phase Decomposition of Cast Alloy ZnAl11Cu3
  15. Crystallographic Investigations on the Serrated Grain Boundaries in an AISI 316 Stainless Steel
  16. Bruch der Antriebswelle eines Sessellifts
  17. Mitteilungen/Notifications
  18. Personen
  19. Bücher/Books
  20. Tagungen/Conferences
https://doi.org/10.3139/ijmr-2001-0243
Schlagwörter für diesen Artikel
Low cycle fatigue; Cyclic loading; Cyclic stress–strain; Ferrite–pearlite; Acicular ferrite; Bainite

Artikel in diesem Heft

  1. Frontmatter
  2. Preisverleihung
  3. Werner-Köster-Preis 2000
  4. Aufsätze/Articles
  5. Decomposition of the Interstitial Solid Solution Pd(B)
  6. Texture Development in Al–Mg Alloys During High Temperature Annealing
  7. A Method for Determining the Weld Pool after Laser Beam Welding
  8. Composition–Pressure–Temperature Phase Diagram of the Silver–Germanium System
  9. Theoretical Study of P-Containing Transformation-Induced Plasticity Steel – Part 1: Determination of the Phosphorus Concentration
  10. Theoretical Study of P-Containing Transformation-Induced Plasticity Steel – Part 2: Analysis of the Potential TRIP Effect
  11. Influence of Microstructure on the Low and High Cycle Fatigue Behaviour of a Medium Carbon Microalloyed Steel
  12. Temperature Dependence of the Viscosity of Al–Sr Alloy Melts
  13. Preparation of an Al–Sr Master Alloy by Molten Salts Electrolysis
  14. Phase Decomposition of Cast Alloy ZnAl11Cu3
  15. Crystallographic Investigations on the Serrated Grain Boundaries in an AISI 316 Stainless Steel
  16. Bruch der Antriebswelle eines Sessellifts
  17. Mitteilungen/Notifications
  18. Personen
  19. Bücher/Books
  20. Tagungen/Conferences
Heruntergeladen am 17.4.2026 von https://www.degruyterbrill.com/document/doi/10.3139/ijmr-2001-0243/html
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