Skip to main content
SpringerLink
Log in

The kinetics of cavity growth in 20 Cr/25 Ni stainless steel

  • Papers
  • Published:
Journal of Materials Science Aims and scope Submit manuscript

Abstract

The development of cavitation during creep has been examined in an unstabilised 20 Cr/25 Ni austenitic stainless steel, using precise density measurements as an indicator of the level of cavitation. The change in density was proportional to the duration of creep to the power of 3.0 increasing to 4 to 5 just before fracture, and this time exponent was not affected by either grain size or irradiation. Metallographic examination showed that wedge-cracks were the predominant mode of cavitation and helium bubble growth in irradiated specimens increased the rate of crack propagation, thus reducing the ductility. A simple model for the growth of triple-point cracks is used to explain the experimentally observed changes in density.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. E. D. Hyam and G. Sumner, IAEA Symposium on Irradiation Damage to Beryllium (1962) p. 323.

  2. A. F. Rowcliffe, G. J. C. Carpenter, H. F. Merrick, and R. B. Nicholson, ASTM Conference on “The Effects of Irradiation on Structural Metals” (1967) Special Technical Publication No. 426 p. 161.

    Google Scholar 

  3. J. S. Waddington, Met. Sci. J. 1 (1967) 156.

    Google Scholar 

  4. D. R. Harries, J. Brit. Nucl. Energy Soc. 5 (1966) 74.

    Google Scholar 

  5. D. R. Harries, A. C. Roberts, G. T. Rogers, J. D. H. Hughes, and M. A. P. Dewey, IAEA Symposium on Radiation Damage of Reactor Materials, Vienna (1969) to be published.

  6. J. S. Waddington and K. Lofthouse, J. Nucl. Mat. 22 (1967) 203.

    Google Scholar 

  7. J. A. Williams, Phil. Mag. 15 (1967) 1289.

    Google Scholar 

  8. U. Lindborg, Acta. Met. 17 (1969) 157.

    Google Scholar 

  9. Idem (1969) private communication, to be published.

  10. D. R. Harries and A. C. Roberts, ASTM Conference on “The Effects of Irradiation on Structural Metals” (1967) Special Technical Publication No. 426 p. 21.

    Google Scholar 

  11. R. V. Day, JISI 203 (1965) 279.

    Google Scholar 

  12. J. S. Waddington and H. E. Evans, J. Nucl. Mat. 30 (1969) 337.

    Google Scholar 

  13. D. A. Woodford, Met. Sci. J. 3 (1969) 50.

    Google Scholar 

  14. G. W. Greenwood, Phil. Mag. 19 (1969) 423.

    Google Scholar 

  15. A. Gittins, Met. Sci. J. 1 (1967) 214.

    Google Scholar 

  16. D. Hull and D. Rimmer, Phil. Mag. 4 (1959) 673.

    Google Scholar 

  17. M. V. Speight and J. E. Harris, Met. Sci. J. 1 (1967) 83.

    Google Scholar 

  18. A. H. Cottrell, Trans. AIME 212 (1958) 191.

    Google Scholar 

  19. J. A. Williams, Acta. Met. 15 (1967) 1119.

    Google Scholar 

  20. F. C. Monkman and N. J. Grant, Trans. ASTM 59 (1956) 593.

    Google Scholar 

  21. C. A. P. Horton, Scripta Met. 3 (1969) 253.

    Google Scholar 

Download references

Author information

Author notes

  1. A. Gittins

    Present address: Melbourne Research Laboratories, Broken Hill Proprietary Co Ltd, Clayton, Victoria, Australia

Authors and Affiliations

  1. Materials Division, Central Electricity Research Labs, Leatherhead, Surrey, UK

    A. Gittins

Authors
  1. A. Gittins
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Gittins, A. The kinetics of cavity growth in 20 Cr/25 Ni stainless steel. J Mater Sci 5, 223–232 (1970). https://doi.org/10.1007/BF00550998

Download citation

  • Received:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00550998

Keywords

Search

Navigation