Details
| Original language | English |
|---|---|
| Title of host publication | 2012 IEEE International Ultrasonics Symposium, IUS 2012 |
| Pages | 775-777 |
| Number of pages | 3 |
| Publication status | Published - 1 Oct 2012 |
| Event | 2012 IEEE International Ultrasonics Symposium, IUS 2012 - Dresden, Germany Duration: 7 Oct 2012 → 10 Oct 2012 |
Publication series
| Name | IEEE International Ultrasonics Symposium, IUS |
|---|---|
| ISSN (Print) | 1948-5719 |
| ISSN (electronic) | 1948-5727 |
Abstract
This article reports on the improvement of cohesive connections by ultrasound assistance during master forming. In an attempt to produce monolithic components of several metals by simultaneous composite casting quality of the resulting bond between the metals was insufficient. Impurities and oxide layers on the metal surface were determined as the reason for bad bonding. In order to achieve an improvement the authors proposed ultrasonic excitation of the separating metal plate, in order to clean the plate's surface by occurring cavitation. To verify the effect of such excitation, a feasibility study was carried out and the results are presented here. An ultrasonic transducer which provided an opportunity of mounting metal disks at its tip was developed and manufactured for these experiments. Aluminum was melted and the transducers tip with mounted metal disk, representing the separating plate, was dipped into the melt for a defined period of time. In the experiments the vibration amplitude of the ultrasonic excitation was varied. As a result an amplitude-dependent wetting improvement could be noted, which can even have a destructive effect on the samples.
Keywords
- Aluminum melt, cavitation, composite casting, ultrasonic transducer
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Acoustics and Ultrasonics
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2012 IEEE International Ultrasonics Symposium, IUS 2012. 2012. p. 775-777 6562243 (IEEE International Ultrasonics Symposium, IUS).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Ultrasonic assisted simultaneous composite casting-A feasibility study
AU - Saalbach, Kai Alexander
AU - Freytag, Patrick
AU - Kerber, Kai
AU - Twiefel, Jens
PY - 2012/10/1
Y1 - 2012/10/1
N2 - This article reports on the improvement of cohesive connections by ultrasound assistance during master forming. In an attempt to produce monolithic components of several metals by simultaneous composite casting quality of the resulting bond between the metals was insufficient. Impurities and oxide layers on the metal surface were determined as the reason for bad bonding. In order to achieve an improvement the authors proposed ultrasonic excitation of the separating metal plate, in order to clean the plate's surface by occurring cavitation. To verify the effect of such excitation, a feasibility study was carried out and the results are presented here. An ultrasonic transducer which provided an opportunity of mounting metal disks at its tip was developed and manufactured for these experiments. Aluminum was melted and the transducers tip with mounted metal disk, representing the separating plate, was dipped into the melt for a defined period of time. In the experiments the vibration amplitude of the ultrasonic excitation was varied. As a result an amplitude-dependent wetting improvement could be noted, which can even have a destructive effect on the samples.
AB - This article reports on the improvement of cohesive connections by ultrasound assistance during master forming. In an attempt to produce monolithic components of several metals by simultaneous composite casting quality of the resulting bond between the metals was insufficient. Impurities and oxide layers on the metal surface were determined as the reason for bad bonding. In order to achieve an improvement the authors proposed ultrasonic excitation of the separating metal plate, in order to clean the plate's surface by occurring cavitation. To verify the effect of such excitation, a feasibility study was carried out and the results are presented here. An ultrasonic transducer which provided an opportunity of mounting metal disks at its tip was developed and manufactured for these experiments. Aluminum was melted and the transducers tip with mounted metal disk, representing the separating plate, was dipped into the melt for a defined period of time. In the experiments the vibration amplitude of the ultrasonic excitation was varied. As a result an amplitude-dependent wetting improvement could be noted, which can even have a destructive effect on the samples.
KW - Aluminum melt
KW - cavitation
KW - composite casting
KW - ultrasonic transducer
UR - http://www.scopus.com/inward/record.url?scp=84882444438&partnerID=8YFLogxK
U2 - 10.1109/ULTSYM.2012.0193
DO - 10.1109/ULTSYM.2012.0193
M3 - Conference contribution
AN - SCOPUS:84882444438
SN - 9781467345613
T3 - IEEE International Ultrasonics Symposium, IUS
SP - 775
EP - 777
BT - 2012 IEEE International Ultrasonics Symposium, IUS 2012
T2 - 2012 IEEE International Ultrasonics Symposium, IUS 2012
Y2 - 7 October 2012 through 10 October 2012
ER -