The improvement of the surface hardness of stainless steel and aluminium alloy by ultrasonic cavitation peening

This article presents first results of the experimental investigation of the influence of the cavitation shot less peening process on the properties of stainless steel and aluminium alloy specimens. The cavitation field was generated by an ultrasonic horn submerged in water and operated by an ultras...

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Hauptverfasser: Janka, Styková, Miloš, Müller, Jan, Hujer
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:This article presents first results of the experimental investigation of the influence of the cavitation shot less peening process on the properties of stainless steel and aluminium alloy specimens. The cavitation field was generated by an ultrasonic horn submerged in water and operated by an ultrasonic generator. The temperature of the water was controlled by thermometer and adjusted by separate water cooling system. The mass loss, the mass loss rate and the modification of the surface hardness are evaluated for different cavitation exposure intervals. The mass loss was measured by micro weighing scale and the surface hardness by the micro-hardness meter. The presented results indicates the significant improvement in the surface hardness for both tested materials.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201714302119