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Metallurgical Transactions A

, Volume 10, Issue 11, pp 1635–1641 | Cite as

Creep fracture maps for 316 stainless steel

  • David A. Miller
  • Terence G. Langdon
Mechanical Behavior

Abstract

Creep fracture processes may be plotted in the form of a map by using the equations for the times to fracture for each process. A new and simplified form of creep fracture map is introduced in which the logarithmic normalized stress is plotted against the reciprocal of the homologous temperature. In this form, both the field boundaries between the different fracture processes and the contours of constant time to fracture appear as straight lines. Maps are presented for 315 stainless steel using four different creep processes: transgranular creep fracture, triple point cracking, and intergranular cavitation controlled by either diffusion growth or power-law growth. It is demonstrated that a map constructed for 316 stainless steel having a grain size of 40 μm is in good agreement with published experimental fracture data.

Keywords

Metallurgical Transaction Cavitation Triple Point Diffusion Growth Homologous Temperature 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© American Society for Metals and the Metallurgical Society of AIME 1979

Authors and Affiliations

  • David A. Miller
    • 1
  • Terence G. Langdon
    • 2
  1. 1.Department of Mechanical EngineeringUniversity of BristolBristolEngland
  2. 2.Department of Materials ScienceUniversity of Southern CaliforniaLos Angeles

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