A specific tribometer equipped for electrochemical measurements in pressurized high temperature water (PHTW) is being used to study the effect of the water chemistry on the wear rate of a stainless steel. First results indicate that a slightly acidic pH increases drastically the wear rate compared to slightly alkaline pH. The influence of hydrogen partial pressure and contact kinematics is also described.

Volume Subject Area:
Component Reliability and Materials Issues
Keywords:
PWR, tribocorrosion, environment, stainless steel
Topics:
Pressurized water reactors, Stainless steel, Wear, High temperature, Hydrogen, Kinematics, Pressure, Tribometers, Water, Water chemistry
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Copyright © 2006
 by ASME
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