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Mixed mode I/III fracture toughness of Armco iron at 77 K

  • S.V. Kamat EMAIL logo , M. Srinivas and P. Rama Rao
Published/Copyright: December 27, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 93 Issue 2

Abstract

The effect of mixed mode I/III loading on the fracture toughness of Armco iron at 77 K was studied. The results showed that the mixed mode I/III fracture toughness increases with increasing loading angle or mode III loading contribution. This behaviour was in contrast to the behaviour of Armco iron at room temperature wherein the fracture toughness was found to decrease significantly with increasing mode III loading contribution. The difference in behaviour was explained on the basis of the difference in the fracture mechanisms at the two temperatures as well as on the nature of the deformation fields ahead of mixed mode I/III crack.

Keywords: Mixed mode I/III loading; Fracture toughness; Armco iron
Dr. S.V. Kamat Defence Metallurgical Research Laboratory Kanchanbagh, Hyderabad 500058, India Tel.: +91 40 458 6516 Fax: +91 40 434 1439

  1. The authors would like to thank Defence Research and Development Organization for providing the funding and facilities for carrying out the work.

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Received: 2001-02-02
Published Online: 2021-12-27

© 2002 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
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  4. Intermetallic compounds formed during the soldering reactions of eutectic Sn–9Zn with Cu and Ni substrates
  5. Thermal fatigue resistance in Pb-based solder alloys for electronic packaging
  6. Rolling and recrystallization textures in Al –Mg alloys
  7. Structures similar to a quasicrystal in technical aluminum alloys
  8. Processing map for hot working of hot rolled Mg– 11.5Li –1.5Al alloy
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  10. Phase diagram of the Fe –Co –R system with R ⩽33.3 at.% Sm0.5Nd0.5
  11. Microstresses caused by uniaxial deformation and by mechanical surface treatments
  12. The influence of basic vs. rutile electrode on the composition of duplex stainless steel weldments
  13. Mixed mode I/III fracture toughness of Armco iron at 77 K
  14. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  15. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  16. Notifications/Mitteilungen
  17. Personal/Personelles
  18. Conferences/Tagungen
https://doi.org/10.3139/ijmr-2002-0030
Keywords for this article
Mixed mode I/III loading; Fracture toughness; Armco iron

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
  3. Phosphorus grain boundary diffusion and segregation in Fe–2.2 wt.% Si alloy
  4. Intermetallic compounds formed during the soldering reactions of eutectic Sn–9Zn with Cu and Ni substrates
  5. Thermal fatigue resistance in Pb-based solder alloys for electronic packaging
  6. Rolling and recrystallization textures in Al –Mg alloys
  7. Structures similar to a quasicrystal in technical aluminum alloys
  8. Processing map for hot working of hot rolled Mg– 11.5Li –1.5Al alloy
  9. Applications of computational thermodynamics
  10. Phase diagram of the Fe –Co –R system with R ⩽33.3 at.% Sm0.5Nd0.5
  11. Microstresses caused by uniaxial deformation and by mechanical surface treatments
  12. The influence of basic vs. rutile electrode on the composition of duplex stainless steel weldments
  13. Mixed mode I/III fracture toughness of Armco iron at 77 K
  14. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  15. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  16. Notifications/Mitteilungen
  17. Personal/Personelles
  18. Conferences/Tagungen
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