Fracture toughness testing on ferritic alloys using the electropotential technique

  • Huang F
  • Wire G
  • 1


    Mendeley users who have this article in their library.
  • 10


    Citations of this article.


Fracture toughness measurements as done conventionally require large specimens (5×5×2.5 cm) which would be prohibitively expensive to irradiate over the fluence and temperature ranges required for first wall design. To overcome this difficulty a single specimen technique for J integral fracture toughness measurements on miniature specimens (1.6 cm OD × 0.25 cm thick) was developed. Comparisons with specimens three times as thick show that the derived JICis constant, validating the specimen for first wall applications. The electropotential technique was used to obtain continuous crack extension measurements, allowing a ductile fracture resistance curve to be constructed from a single specimen. Fracture toughness test results for HT-9 and 9Cr-lMo from 25-539°C are presented to illustrate the technique. © 1981.

Get free article suggestions today

Mendeley saves you time finding and organizing research

Sign up here
Already have an account ?Sign in

Find this document


  • F. H. Huang

  • G. L. Wire

Cite this document

Choose a citation style from the tabs below

Save time finding and organizing research with Mendeley

Sign up for free