Composite piezoelectric material for detecting external pressure of cable and manufacturing method of composite piezoelectric material
An external pressure, piezoelectric material technology, applied in the material selection of piezoelectric devices or electrostrictive devices, the manufacture/assembly of piezoelectric/electrostrictive devices, insulated cables, etc., can solve the problem of low atmospheric corrosion, It is not easy to solve problems such as high brittleness, etc., and achieves the effect of low Curie temperature, superior piezoelectric performance and good bonding force.
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[0033] Example 1
[0034] A composite piezoelectric material for cable external pressure detection, made of the following parts by weight of raw materials: polyvinylidene fluoride solution containing solute 30, anti-vibration PbTiO modified by Ca and Co 3 5 parts of crystal, [Pb(Zr 0.3 Ti 0.7 )O 3 ]3 parts, 5 parts of graphene, 1 part of sulfonamido adhesion promoter, {Pb 0.95 Cr 0.02 Ca 0.03 [(Ni 1 / 3 Nb 2 / 3 ) 0.5 ·Zr 0.2 ·Ti 0.3 ]O 3 } 10 parts, 15 parts of aluminum-chromium master alloy ingot.
[0035] A method for manufacturing a composite piezoelectric material for detecting the external pressure of a cable includes the following steps:
[0036] 1) Preparation before production
[0037] ①The graphene, modified PbTiO 3 , Pb(Zr 0.3 Ti 0.7 )O 3 Grind it into a powder with a particle size of 10μm and mix it evenly to obtain a mixed powder;
[0038] ②Pb 0.95 Cr 0.02 Ca 0.03 [(Ni 1 / 3 Nb 2 / 3 ) 0.5 ·Zr 0.2 ·Ti 0.3 ]O 3 Make a crystal ribbon with a thickness of 0.1mm and a width of 1.2mm;
[...
Example Embodiment
[0056] Example 2
[0057] The whole is consistent with Example 1, the differences are:
[0058] A composite piezoelectric material for external pressure detection of cables, which is made of the following parts by weight of raw materials: a polyvinylidene fluoride solution containing 35 parts of solute, (modified PbTiO 3 )3 copies, [Pb(Zr 0.3 Ti 0.7 )O 3 ] 2 parts, 3 parts of graphene, 0.5 parts of sulfonamido adhesion promoter, {Pb 0.95 Cr 0.02 Ca 0.03 [(Ni 1 / 3 Nb 2 / 3 ) 0.5 ·Zr 0.2 ·Ti 0.3 ]O 3 } 8 parts, 10 parts of aluminum-chromium master alloy ingot.
[0059] A method for manufacturing a composite piezoelectric material for detecting the external pressure of a cable includes the following steps:
[0060] 1) Preparation before production
[0061] ①The graphene, modified PbTiO 3 , Pb(Zr 0.3 Ti 0.7 )O 3 Grind it into a powder with a particle size of 20μm and mix it evenly to obtain a mixed powder;
[0062] ②Pb 0.95 Cr 0.02 Ca 0.03 [(Ni 1 / 3 Nb 2 / 3 ) 0.5 ·Zr 0.2 ·Ti 0.3 ]O 3 Make crystal...
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