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- Title
A New Inner Fabrication Method of Internal Cavity in Metal under Compound Acoustic Fields.
- Authors
Zhang, Zheng; Wu, Liqun; Wang, Yaxing; Wang, Ze'en; Wu, Guanwu; Wang, Yajing; Wang, Hongcheng
- Abstract
In order to realize direct manufacturing of cavity inside metal without assembly, this paper investigates the mechanism of cavity manufacturing inside metals under compound acoustic fields. First, a local acoustic cavitations model is established to study the single bubble generation at fixed point in Ga-In metal droplets, which has a low melting point. Second, cavitation-levitation acoustic composite fields are integrated with the experimental system for simulation and experimentation. Through COMSOL simulation and experimentation, this paper expounds the manufacturing mechanism of metal internal cavity under acoustic composite fields. The key problem is to control the duration of the cavitation bubble by controlling the driving acoustic pressure's frequency and the magnitude of ambient acoustic pressure. Under the condition of composite acoustic fields, this method realizes the direct fabrication of cavity inside Ga-In alloy for the first time.
- Subjects
ACOUSTIC field; METAL compounds; SOUND pressure; MELTING points; ACOUSTIC models; GALLIUM alloys
- Publication
Micromachines, 2023, Vol 14, Issue 4, p719
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi14040719