Ruy Alberto Pisani Altafim
Ruy Alberto Pisani Altafim
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Zitiert von
Zitiert von
Template-based fluoroethylenepropylene piezoelectrets with tubular channels for transducer applications
RAP Altafim, X Qiu, W Wirges, R Gerhard, RAC Altafim, HC Basso, ...
Journal of Applied Physics 106 (1), 014106, 2009
Influence of the solvent evaporation rate on the crystalline phases of solution‐cast poly (vinylidene fluoride) films
DL Chinaglia, R Gregorio Jr, JC Stefanello, RA Pisani Altafim, W Wirges, ...
Journal of applied polymer science 116 (2), 785-791, 2010
Piezoelectrets from thermo-formed bubble structures of fluoropolymer-electret films
RAC Altafim, HC Basso, RAP Altafim, L Lima, CV De Aquino, LG Neto, ...
IEEE transactions on dielectrics and electrical insulation 13 (5), 979-985, 2006
Treatment with orthophosphoric acid enhances the thermal stability of the piezoelectricity in low-density polyethylene ferroelectrets
D Rychkov, R Alberto Pisani Altafim, X Qiu, R Gerhard
Journal of Applied Physics 111 (12), 124105, 2012
Laminated tubular-channel ferroelectret systems from low-density polyethylene films and from fluoroethylene-propylene copolymer films-A comparison
RAP Altafim, D Rychkov, W Wirges, R Gerhard, HC Basso, RAC Altafim, ...
IEEE Transactions on Dielectrics and Electrical Insulation 19 (4), 1116-1123, 2012
Fluoropolymer piezoelectrets with tubular channels: resonance behavior controlled by channel geometry
RAP Altafim, RAC Altafim, X Qiu, S Raabe, W Wirges, HC Basso, ...
Applied Physics A 107 (4), 965-970, 2012
Piezoelectricity in multi-air voids electrets
RAC Altafim, HC Basso, LG Neto, L Lima, RAP Altafim, CV de Aquino
CEIDP'05. 2005 Annual Report Conference on Electrical Insulation and …, 2005
Annual Report Conference on Electrical Insulation and Dielectric Phenomena
RF Suárez, X Qiu, L Holländer, RAP Altafim, W Wirges, R Gerhard, ...
Virginia Beach, USA, 18-20, 2009
Three-layer ferroelectrets from perforated Teflon®-PTFE films fused between two homogeneous Teflon®-FEP films
HC Basso, RAP Altafim, RAC Altafim, A Mellinger, P Fang, W Wirges, ...
2007 Annual Report-Conference on Electrical Insulation and Dielectric …, 2007
Ferroelectret two-layer and multilayer composite and method for production thereof
W Jenninger, J Wagner, G Walze, D Schapeler, H Pudleiner, G Stollwerck, ...
US Patent App. 12/998,838, 2011
Hydrophone based on 3D printed polypropylene (PP) piezoelectret
TTC Palitó, YAO Assagra, RAP Altafim, JP Carmo, RAC Altafim
Electronics Letters 55 (4), 203-204, 2019
Piezoelectrets with well-defined cavities produced from 3D-printed acrylonitrile butadiene styrene structures
YAO Assagra, RAP Altafim, RAC Altafim, JP Carmo
Electronics Letters 51 (24), 2028-2030, 2015
Unipolar ferroelectrets-Following the example of the electret microphone more closely
D Rychkov, RAP Altafim, R Gerhard
2014 IEEE Conference on Electrical Insulation and Dielectric Phenomena …, 2014
Piezoelectret-based hydrophone: an alternative device for vibro-acoustography
LJ De Medeiros, HAS Kamimura, RAP Altafim, AAO Carneiro, MF Amorim, ...
Measurement Science and Technology 26 (9), 095102, 2015
Laminated composite based on polyester geotextile fibers and polyurethane resin for coating wood structures
YAO Assagra, RAP Altafim, JFR Silva, HC Basso, FAR Lahr, RAC Altafim
Materials Research 16 (5), 1140-1147, 2013
Piezoelectret sensors detect geometry-related modifications of the acoustical signatures from partial discharges in an electrical equipment chamber
Y Gutnik, RAP Altafim, PR Veronese, JF Resende, HC Basso, R Gerhard, ...
2012 Annual Report Conference on Electrical Insulation and Dielectric …, 2012
Template-based fluoropolymer ferroelectrets with multiple layers of tubular channels
RAP Altafim, X Qiu, W Wirges, RAC Altafim, HC Basso, R Gerhard, ...
2010 Annual Report Conference on Electrical Insulation and Dielectic …, 2010
Wood cross-arms coated with polyurethane resin-tests and numerical simulations
RAC Altafim, JFR Silva, DP Gonzaga, C Ribeiro, J Godoy, HC Basso, ...
Materials Research 9 (1), 77-81, 2006
Study of timber crossarms coated with castor oil-based polyurethane resins: electrical and mechanical tests
RAC Altafim, JFR Silva, HC Basso, CC Junior, JC Sartori, RAP Altafim, ...
Conference Record of the 2004 IEEE International Symposium on Electrical …, 2004
Multi-layer piezoelectret hydrophone for ultrasonic applications
LJ Medeiros, HC Basso, RAC Altafim, HAS Kamimura, AAO Carneiro, ...
2012 IEEE International Ultrasonics Symposium, 1-4, 2012
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