Development of Small Punch Test for EAC Evaluation

Jerome Isselin; Sheng Chun Wang; Shinichi Komazaki; Tetsuo Shoji

doi:10.4028/www.scientific.net/KEM.297-300.980

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Environmental Effects on Stress Corrosion Cracking Susceptibility of Cr-Mo Steel Tubes in Steam Generators
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Environmental Fatigue Crack Propagation Behavior of Cast Stainless Steels under PWR Condition
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Stress Corrosion Crack Tests of 16MnR Low Alloy Steel in Anhydrous Ammonia Environment
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Development of Small Punch Test for EAC Evaluation
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Effect of Grain Boundary Microchemistry on IGSCC of Alloy 132 in a Simulated BWR Environment
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Effects of Cold Working and Heat Treatment on Caustic Stress Corrosion Cracking of Alloy 800M
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Estimation Method of SCC Initiation Site Based on Electrochemical Transients
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Investigation on Fatigue Behavior of Zircaloy -4 Alloy in Room Temperature and 380°C Condition
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 297-300Development of Small Punch Test for EAC Evaluation...

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.

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Periodical:

Key Engineering Materials (Volumes 297-300)

Pages:

980-985

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.297-300.980

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Online since:

November 2005

Authors:

Jerome Isselin, Sheng Chun Wang, Shinichi Komazaki, Tetsuo Shoji

Keywords:

Boiling Water Reactor, In Situ Observation System, Sensitized Stainless Steel, Small-Punch Test, Stress Corrosion Cracking (SCC)

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