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Dislocation and surface structures of copper and very-low-carbon steel at low fatigue amplitudes

  • Stefanie E. Stanzl-Tschegg EMAIL logo
Veröffentlicht/Copyright: 3. Januar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 93 Heft 8

Abstract

Copper single crystals and polycrystalline very-low-carbon steel (0.036 wt.% C) were fatigue loaded at low and very low amplitudes. The resulting dislocation structures and surface features were studied and the results correlated. Similarities of the face- and body-centred cubic materials as to the resulting dislocation and surface structures are outlined. In addition, the question of an eventual effect of the loading frequency on the resulting microstructural changes is shortly discussed.

Abstract

Kupfereinkristalle und polykristalliner Stahl mit sehr niederem Kohlenstoffgehalt (0.036 Gew.%) wurden bei kleinen und sehr kleinen Amplituden ermüdet. Die resultierenden Versetzungsstrukturen und Oberflächenerscheinungen wurden untersucht und korreliert. Auch wurden die Ähnlichkeiten der beiden kubisch-flächenzentrierten bzw. kubischraumzentrierter Werkstoffe hinsichtlich Versetzungs- und Oberflächenstruktur ermittelt. Zusätzlich wird die Frage eines eventuellen Einflusses der Belastungsfrequenz auf die resultierenden Mikrostrukturänderungen kurz diskutiert.

Keywords: Dislocation structure; Low-amplitude fatigue; Ultrasonic fatigue; Frequency effect

Dedicated to Professor Dr. Haël Mughrabi on the occasion of his 65th birthday

Prof. Dr. Stefanie Stanzl-Tschegg Institute of Meteorology and Physics University of Agricultural Sciences Türkenschanzstr. 18, A-1180 Vienna, Austria Tel.: +43 1 470 58 20 13 Fax: +43 1 470 58 20 60

The TEM micrographs of the Cu single crystals were taken by Dr. L. Buchinger within a cooperation with Prof. C. Laird. The author wants to thank both of them for this cooperation.

References

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Received: 2002-02-22
Published Online: 2022-01-03

© 2002 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. Peierls barriers, kinks, and flow stress: Recent progress
  4. Positron annihilation spectroscopy – a non-destructive method for lifetime prediction in the field of dynamical material testing
  5. Diffusion bonding of gamma-based titanium aluminides
  6. A nanotheory of the intense slip localization causing metal fatigue
  7. Dislocation and surface structures of copper and very-low-carbon steel at low fatigue amplitudes
  8. Effect of hafnium on the castability of directionally solidified nickel-base superalloys
  9. Polysiloxane-derived ceramic foam for the reinforcement of Mg alloy
  10. Biomechanical behaviour of implant-reinforced subcapital humeral fractures
  11. Thermodynamic modeling of the Ni – In system
  12. Oxidation of metals investigated by in situ surface sensitive X-ray diffraction
  13. Embrittlement of Cu [001] symmetric tilt boundaries induced by Sb segregation
  14. The microstructure of a Mg-10 wt.% Al alloy
  15. Notifications/Mitteilungen
  16. Personal/Personelles
  17. Books/Bücher
  18. Books/DGM
  19. Conferences/Konferenzen
https://doi.org/10.3139/ijmr-2002-0134
Schlagwörter für diesen Artikel
Dislocation structure; Low-amplitude fatigue; Ultrasonic fatigue; Frequency effect

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. Peierls barriers, kinks, and flow stress: Recent progress
  4. Positron annihilation spectroscopy – a non-destructive method for lifetime prediction in the field of dynamical material testing
  5. Diffusion bonding of gamma-based titanium aluminides
  6. A nanotheory of the intense slip localization causing metal fatigue
  7. Dislocation and surface structures of copper and very-low-carbon steel at low fatigue amplitudes
  8. Effect of hafnium on the castability of directionally solidified nickel-base superalloys
  9. Polysiloxane-derived ceramic foam for the reinforcement of Mg alloy
  10. Biomechanical behaviour of implant-reinforced subcapital humeral fractures
  11. Thermodynamic modeling of the Ni – In system
  12. Oxidation of metals investigated by in situ surface sensitive X-ray diffraction
  13. Embrittlement of Cu [001] symmetric tilt boundaries induced by Sb segregation
  14. The microstructure of a Mg-10 wt.% Al alloy
  15. Notifications/Mitteilungen
  16. Personal/Personelles
  17. Books/Bücher
  18. Books/DGM
  19. Conferences/Konferenzen
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