High-power piezoelectric material and preparation method thereof
A piezoelectric material and mixing technology, applied in the field of high-power piezoelectric materials and their preparation, can solve the problems that power capacity cannot adapt to the application of high-power ultrasonic equipment, poor mechanical properties, etc., and achieve transgranular fracture and improved mechanical properties. , the effect of reducing tanδ
Active Publication Date: 2013-12-25
WUXI ZHONGKE ULTRASONIC TECH
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Abstract
The invention relates to a high-power piezoelectric material. The piezoelectric material has a chemical composition shown in a formula (I). Doping modification is carried out on the existing PZT (piezoelectric transducer) ceramic material by doping metal elements, so as to obtain the piezoelectric material with the chemical composition shown in the formula (I), the mechanical property of the piezoelectric material is improved, the power capacity is greatly improved based on the original performance advantages, and the piezoelectric material can be applied to high-power ultrasonic equipment.
Technology Topic
ElectricityPower capability +5
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Example Embodiment
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PUM
Property | Measurement | Unit |
Grain | <= 5.0 | µm |
Piezoelectric strain constant | >= 260.0 | pc/N |
Curie temperature | 320.0 | °C |
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