Keyphrases
Piezoelectric Properties
100%
Charging Behavior
100%
Charging Process
100%
Cellular Polypropylene
100%
Gas Expansion
100%
Internal Cavity
100%
High Density
50%
Testing Method
50%
Electret
50%
Partial Discharge
50%
Electrical Field
50%
Contact Charging
50%
Charging Mechanism
50%
Cellular Polymers
50%
Partial Space
50%
Expanded Polypropylene
50%
Space Charge Measurement
50%
INIS
expansion
100%
gases
100%
polypropylene
100%
piezoelectricity
100%
cavities
66%
efficiency
33%
density
33%
polymers
33%
optimization
33%
size
33%
manufacturing
33%
testing
33%
investigations
33%
electric fields
33%
space charge
33%
electrets
33%
Material Science
Polypropylene
100%
Piezoelectricity
100%
Piezoelectric Property
66%
Density
33%
Electret
33%
Engineering
Piezoelectric
100%
Charging Process
66%
Electret
33%
Charging Mechanism
33%
Space Charge
33%
Electric Field
33%