Effect of Water Jet Cavitation Peening on Short-Period Oxidation Behavior of Alloy 600 in PWR Primary Water

Effect of Water Jet Cavitation Peening on Short-Period Oxidation Behavior of Alloy 600 in PWR Primary Water

Water jet cavitation peening (WJCP) was used to strengthen the surface of nickel-based alloy 600. Residual stress, hardness, surface roughness, microstructure, and short-period oxidation behavior in untreated (UT) and WJCP-treated alloy 600 were characterized. A continuous oxide film was formed on t...

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Veröffentlicht in:Metals (Basel ) 2023-02, Vol.13 (2), p.336
Hauptverfasser: Ming, Tingyun, Peng, Qunjia, Han, Yaolei, Zhang, Tao
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Cavitation
Corrosion and anti-corrosives
Corrosion resistance
Crack initiation
Experiments
Grain boundaries
high-temperature water
Hydraulic jets
Lasers
microstructure
Morphology
Nickel alloys
Nickel base alloys
Nuclear reactors
Oxidation
Oxide coatings
Peening
Residual stress
Specialty metals industry
Stainless steel
Superalloys
Surface roughness
Ultrafines
water jet cavitation peening
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Zusammenfassung:Water jet cavitation peening (WJCP) was used to strengthen the surface of nickel-based alloy 600. Residual stress, hardness, surface roughness, microstructure, and short-period oxidation behavior in untreated (UT) and WJCP-treated alloy 600 were characterized. A continuous oxide film was formed on the WJCP-treated surface after a short period of exposure, while it was discontinuous in the UT specimen. The change in oxidation behavior was attributed to the ultrafine grain and dislocation structure resulting from the WJCP treatment.
ISSN:2075-4701
2075-4701
DOI:10.3390/met13020336