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Piezoelectricity Ceramic Pipe
Bring
pressure to bear on the inside wall and outside wall of the piezoelectricity
ceramic pipe transducer,
the transducer will take place the axial direction transmutation and radial
direction transmutation because the process of the d31 and d33. The size of the
transmutation can be confirmed by the formulary as follow.
Electrode
structure has three kinds forms:
- Inside and outside wall electrode.
- Inside wall full electrode, outside wall is divided quartering.
- Inside electrode is elicited from the outside surface of the pipe.
- Electrode: Ag, Cu - Ni
Range of the size：length Lmax，60mm。
Outside diameter：φ外，2.0～80.0mm。
Wall
thickness：tmin，0.2mm。
Purpose：
- Micro-actuators
- Micro-pump/liquid nozzle.
- Hydroacoustic/sonar/supersound
- Physic diagnoses and treatment
Selected items:
|
φoutside(mm)
|
φinside(mm)
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L(mm)
|
The most working voltage(V)
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L@ Vmax（μm）
|
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2.0±0.1
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1.0±0.1
|
5
|
500
|
1
|
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3.2±0.1
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2.2±0.1
|
10
|
500
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2
|
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6.5±0.1
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5.5±0.1
|
20
|
500
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4
|
|
10±0.1
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9.0±0.1
|
30
|
500
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6
|
|
12±0.1
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10±0.1
|
40
|
1000
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8
|
|
20±0.1
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18±0.1
|
50
|
1000
|
12
|
|
30±0.1
|
28±0.1
|
50
|
1000
|
12
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