| Issue |
MATEC Web Conf.
Volume 207, 2018
International Conference on Metal Material Processes and Manufacturing (ICMMPM 2018)
|
|
|---|---|---|
| Article Number | 03023 | |
| Number of page(s) | 5 | |
| Section | Material Science Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201820703023 | |
| Published online | 18 September 2018 | |
Surface modification of Cr‒Mo steel by new technology using high speed jet in water under ultrasonic irradiation
Tokyo University of Science, Yamaguchi, 1‒1‒1 Daigaku‒Dori, Sanyo‒Onoda, Yamaguchi 756‒0884, Japan
* Corresponding author: ijiri@rs.tusy.ac.jp
In this study, to further improve current multifunction cavitation (MFC) techniques, the surface modification of Cr‒Mo steel was further investigated using 1200 W ultrasonic power. In MFC using 1200 W ultrasonic power, the corrosion resistance, and compressive residual stress of the specimens were improved when the processing time was 10 min; however, decarburization occurred at longer processing times, causing these characteristics to worsen. The decarburization that occurs at high ultrasonic outputs may be caused by an increase in the water temperature, and of the heating of the specimen surface.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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