The Influences of Ultrasonic Peening Treatment on Oxidation of Designed F/M Steels in Supercritical Water
36th Annual CNS-CNA Student Conference - 2012 June 12

Presented at:
36th Annual CNS-CNA Student Conference
2012 June 12
Saskatoon, Canada
Session Title:
CNS/CNA Student Conference 2012

Zhe Liu (University of Alberta )
Jingli Luo (University of Alberta )
Weixing Chen (University of Alberta )
Ming Li (University of Alberta )
Wenyue Zheng (CANMET Materials Technology Laboratory )
David Guzonas (Atomic Energy of Canada Limited )


The influence of ultrasonic peening on oxidation of designed Ferritic/Martensitic steels in supercritical water has been investigated with time range from 100 hours to 1000 hours. It was observed that in the tested time range, the weight gains of the samples with ultrasonic peening pre-treatment are much less than that of the ones without ultrasonic peening. Different oxide films formed on the surface after SCW exposure. These results indicate that designed F/M steels with ultrasonic peening treatment have better oxidation resistant in 500°C, 25MPa supercritical water than the ones without ultrasonic peening.

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