Paper Title:
Development of Small Punch Test for EAC Evaluation
  Abstract

We are developing a Small-Punch SCC testing apparatus with an in-situ observation system applied to high temperature water and high pressure. This new testing apparatus is used to evaluate the Environmentally Assisted Cracking effect. A constant loading rate was carried out with different values of speed, of water flow rate and different polishing of the sample. In BWR (Boiling Water Reactor) conditions (9MPa and 288°C) it was found that the loading rate, water flow rate and surface preparation of the sample have some influence if the test is performed during a short time (maximum 4 days). After the test, by SEM observation, studying the secondary microcracks, it is possible to find all the sequences of EAC process. The in-situ observation system permits to study the strain of the sample during the test.

  Info
Periodical
Key Engineering Materials (Volumes 297-300)
Edited by
Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages
980-985
DOI
10.4028/www.scientific.net/KEM.297-300.980
Citation
J. Isselin, S. C. Wang, S. Komazaki, T. Shoji, "Development of Small Punch Test for EAC Evaluation ", Key Engineering Materials, Vols. 297-300, pp. 980-985, 2005
Online since
November 2005
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Price
$32.00
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