Refine your search�ソスF     
Report No.
 - 

Effect of excessive compressive loading on the crack growth behavior

Yamaguchi, Yoshihito ; Li, Y.* ; Sugino, Hideharu*; Katsuyama, Jinya  ; Onizawa, Kunio 

In recent years, Japanese nuclear power plants experienced multiple large earthquakes, such as Niigata-ken Chuetsu-Oki Earthquake in 2007 and the Great East Japan Earthquake in 2011. Therefore, it is very important to assess the structural integrity of reactor piping under such a large earthquake when a crack exists in the piping. In this work, An effect of excessive compressive loading on the crack growth behavior of piping materials has been studied through cracked plate testing. It was observed that excessive compressive loading had an acceleration effect on crack growth rate. The evaluation method using J-integral has been proposed for the acceleration effect of crack growth rate. It was indicated that the acceleration effect by excessive compressive loading for the condition beyond small-scale yielding could be conservatively evaluated using the proposed method.

Accesses

:

- Accesses

InCites™

:

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.