Carbon nano tube/lead zirconate titanate/cement piezoelectric composite material and preparation method thereof
A technology of piezoelectric composite materials and lead zirconate titanate, which is applied in the direction of transmitting sensing components by electric/magnetic devices, can solve the problems of low piezoelectric response, high signal-to-noise ratio, and small signal response, and achieve piezoelectric response The effect of improving and improving the preparation efficiency and fast volatilization speed
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Embodiment 1
[0016] A carbon nanotube / lead zirconate titanate / cement piezoelectric composite material, the components are as follows, all in parts by weight:
[0017] 70 parts of lead zirconate titanate,
[0018] 30 parts of cement,
[0019] 0.3 parts of carbon nanotubes.
[0020] The preparation method of carbon nanotube / lead zirconate titanate / cement piezoelectric composite material, the steps are as follows:
[0021] (1) Dry-mix 70 parts of lead zirconate titanate and 30 parts of cement evenly, add 0.3 parts of carbon nanotubes, use acetone as a grinding aid, ball mill and mix for 30 minutes, dry to volatilize the acetone to obtain a mixed powder.
[0022] (2) Add water to the mixed powder obtained in step (1), the amount of water added is 5% of the weight of the mixed powder, mix evenly, press the mixed material into a disc shape under a pressure of 100MPa, and put it into an environment with a humidity of 100% After neutralizing for 24 hours, dry.
[0023] After drying, the discs ...
Embodiment 2
[0025] A carbon nanotube / lead zirconate titanate / cement piezoelectric composite material, the components are as follows, all in parts by weight:
[0026] 70 parts of lead zirconate titanate,
[0027] 30 parts of cement,
[0028] 0.5 parts of carbon nanotubes.
[0029] The preparation method of carbon nanotube / lead zirconate titanate / cement piezoelectric composite material, the steps are as follows:
[0030] (1) Dry-mix 80 parts of lead zirconate titanate and 20 parts of cement evenly, add 0.5 parts of carbon nanotubes, use acetone as a grinding aid, ball mill and mix for 30 minutes, dry to volatilize the acetone to obtain a mixed powder.
[0031] (2) Add water to the mixed powder obtained in step (1), the amount of water added is 6% of the weight of the mixed powder, mix evenly, press the mixed material into a disc shape under a pressure of 100MPa, and put it into an environment with a humidity of 100% After neutralizing for 24 hours, dry.
[0032] After drying, both sides...
Embodiment 3
[0034] A carbon-stimulated lead zirconate titanate / cement piezoelectric composite material, the components are as follows, all in parts by weight:
[0035] 60 parts of lead zirconate titanate,
[0036] 40 parts of cement,
[0037] 0.3 parts of carbon nanotubes.
[0038] The preparation method of carbon nanotube / lead zirconate titanate / cement piezoelectric composite material, the steps are as follows:
[0039] (1) Dry-mix 60 parts of lead zirconate titanate and 40 parts of cement evenly, add 0.3 parts of carbon nanotubes, use acetone as a grinding aid, ball mill and mix for 40 minutes, dry to volatilize the acetone to obtain a mixed powder.
[0040] (2) Add water to the mixed powder obtained in step (1), the amount of water added is 7% of the weight of the mixed powder, mix evenly, press the mixed material into a disc shape under a pressure of 100MPa, and put it into an environment with a humidity of 100% After neutralizing for 22 hours, dry.
[0041] After drying, the disc...
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