Zobrazeno 1 - 10
of 156
pro vyhledávání: '"Toshihiko Yoshimura"'
Publikováno v:
Results in Materials, Vol 22, Iss , Pp 100578- (2024)
Multifunction cavitation (MFC) has potential as an environmentally friendly surface-modification method. In the present study, the modified surface layer and the fatigue properties for MFC-processed low-alloy steel were investigated. When the process
Externí odkaz:
https://doaj.org/article/a9be5418d8c14b808fc9df5baaa44c1d
Publikováno v:
Results in Materials, Vol 20, Iss , Pp 100463- (2023)
A new metalworking technique referred to as positron and laser assisted magnetic energy intensive multifunction cavitation (PLMEI-MFC) using a narrow nozzle was developed and applied to SCM440 Cr–Mo steel. The effects of varying the laser wavelengt
Externí odkaz:
https://doaj.org/article/7cb8ad90139c4c00a5eed2087356ad82
Publikováno v:
Results in Materials, Vol 18, Iss , Pp 100391- (2023)
This work developed a novel metal processing technique referred to as laser-assisted magnetic energy-intensive multifunction cavitation. This technology employs a strong magnetic field to focus bubble energy while applying sonic radiation around a wa
Externí odkaz:
https://doaj.org/article/a650fb6f4cb140a49631a8258cf3008e
Autor:
Masataka Ijiri, Naoki Okamoto, Shun Okamoto, Takayuki Ogi, Shoichi Kikuchi, Toshihiko Yoshimura
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 1897-1905 (2022)
Rust in rust-prone steel is promoted in water by corrosive factors. Therefore, to prevent the formation of rust, it is necessary to eliminate various corrosive factors before plating or other rust prevention measures. In this study, we investigated i
Externí odkaz:
https://doaj.org/article/cd6dd01bbe5d4d2b91adb4df0b1dcd7d
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3546-3553 (2022)
Improving the strength of an object by surface treatment inevitably trades off strength and ductility, and also reduces toughness. In this study, carbon steel was treated by a surface modification technique, referred to as multifunction cavitation (M
Externí odkaz:
https://doaj.org/article/23a3eb5f587a4f1d866a53611f2f0a4e
Publikováno v:
Results in Materials, Vol 16, Iss , Pp 100329- (2022)
The high strength of a thin plate surface produced by peening treatment is not yet used in industrial products, even when the mechanical properties are improved, due to warpage after the surface treatment. In this study, we focused on multifunction c
Externí odkaz:
https://doaj.org/article/507ce4075c724ee0a198e30513de0a13
Publikováno v:
Results in Materials, Vol 14, Iss , Pp 100289- (2022)
This work demonstrates a new processing technology termed magnetic energy intensive multifunction cavitation (MEI-MFC). In this technique, a strong magnetic field is used to concentrate the bubble energy while ultrasonic waves are applied from the pe
Externí odkaz:
https://doaj.org/article/41d21be708d14e9b97b057e08cd1d8e4
Publikováno v:
Heliyon, Vol 7, Iss 12, Pp e08572- (2021)
The present work demonstrates a technique for the hot forging of metal surfaces in water at 1000 °C or higher, termed energy-intensive multifunctional cavitation (EI-MFC). In this process, the energy of cavitation bubbles is maximized, following whi
Externí odkaz:
https://doaj.org/article/cdc6c2d859ab4132acc1da0e43662d5d
Publikováno v:
Heliyon, Vol 7, Iss 8, Pp e07767- (2021)
This work developed a small-scale processing apparatus for ultra-high temperature and ultra-high-pressure cavitation (UTPC) incorporating a small diameter (0.1 mm) water jet nozzle. This instrumentation comprised a swirl flow nozzle (SFN) installed o
Externí odkaz:
https://doaj.org/article/b61850fb6ea243bb8e59325ff32c030d
Autor:
Masataka Ijiri, Daichi Shimonishi, Syunpei Tani, Norihiro Okada, Masato Yamamoto, Daisuke Nakagawa, Kumiko Tanaka, Toshihiko Yoshimura
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 2, Iss 3, Pp 255-260 (2019)
In this study, basic research on the formation of a film for improving the corrosion resistance of a Mg alloy (AZ31) surface was carried out by the addition of dilute phosphoric acid during water jet peening (WJP) and multifunction cavitation (MFC).
Externí odkaz:
https://doaj.org/article/35682014086b4df397f1cee51433fac5