The influence of layered compounds on the properties of starch/layered compound composites
Wilhelm, Helena-M, Sierakowski, Maria-R, Souza, Gabriel P, Wypych, Fernando
Published in Polymer international (01.06.2003)
Published in Polymer international (01.06.2003)
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Journal Article
Dynamic rheological properties of Yam starch/hectorite composite gels
Wilhelm, Helena-M, Sierakowski, Maria-R, Reicher, Fany, Wypych, Fernando, Souza, Gabriel P
Published in Polymer international (01.05.2005)
Published in Polymer international (01.05.2005)
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Journal Article
Comparative Effect of Hybrid and Thermally Upgraded Kraft Insulating Papers on Degradation of Mineral and Natural Ester Insulating Oils by Accelerated Ageing Tests
Wilhelm, Helena M., Fernandes, Paulo, Fernandes, Kethlyn Moscon Paulo, Fornari, Mayara, Peres, Sergio, Bender, Vitor, Marchesan, Tiago, Marek, Richard, Moraes, Germano, Veloso, Nelson, Martins, Luan, Marin, Marco
Published in 2023 IEEE Electrical Insulation Conference (EIC) (18.06.2023)
Published in 2023 IEEE Electrical Insulation Conference (EIC) (18.06.2023)
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Conference Proceeding
Laboratory Model for Evaluation of Incipient Transformer Thermal Fault Involving Insulating
Wilhelm, Helena M., Fernandes, Paulo O., Pereira, Thatiane K., Santos, Geovana C., Filho, Daniel Aroucha, Mar, Arley, Ribeiro, Marcelo
Published in 2019 IEEE Electrical Insulation Conference (EIC) (01.06.2019)
Published in 2019 IEEE Electrical Insulation Conference (EIC) (01.06.2019)
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Conference Proceeding
Power Transformer Fault Characterization Through Oil Contaminants Evaluation
Wilhelm, Helena M., Fernandes, Paulo O., Steffens, Camila, Moscon, Kethlyn G., Mattoso, Mauricio, Peres, Sergio M., Ziliotto, Melissa C.S., Galdeano, Claudio, Junior, Milton M. S., Neto, Jose B. F., Marchesan, Tiago B., Bender, Vitor C.
Published in 2020 IEEE Electrical Insulation Conference (EIC) (01.06.2020)
Published in 2020 IEEE Electrical Insulation Conference (EIC) (01.06.2020)
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Conference Proceeding
Zn2Al Layered Double Hydroxides Intercalated with Nitrate and p-Aminobenzoate as Ultraviolet Protective Agents in Low-Density Polyethylene Nanocomposites and Natural Insulating Oils
Gómez, Neffer, Silva, Gabriel, Wilhelm, Helena, Wypych, Fernando
Published in Journal of the Brazilian Chemical Society (01.05.2020)
Published in Journal of the Brazilian Chemical Society (01.05.2020)
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Journal Article
The influence of BHA, BHT and TBHQ on the oxidation stability of soybean oil ethyl esters (biodiesel)
Domingos, Anderson K., Saad, Emir B., Vechiatto, Wellington W. D., Wilhelm, Helena M., Ramos, Luiz P.
Published in Journal of the Brazilian Chemical Society (01.04.2007)
Published in Journal of the Brazilian Chemical Society (01.04.2007)
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Journal Article
Thermal Faults Involving Thermally Upgraded Kraft Paper
Wilhelm, Helena M., Fernandes, Paulo O., Feitosa, Leandro G., dos Santos, Geovana C., Galdeano, Claudio A., Filho, Daniel Aroucha, Mar, Arley, Ribeiro, Marcelo, Santos Junior, Pedro J.
Published in 2018 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D-LA) (01.09.2018)
Published in 2018 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D-LA) (01.09.2018)
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Conference Proceeding
Determination of the oxidation induction time of mineral insulating oils using a modified EN 14112 method
Wilhelm, Helena M., Fernandes, Paulo O., Feitosa, Leandro G., Dos Santos, Geovana C., Dal Pont, Giorgi, Balielo, Andreza
Published in IEEE electrical insulation magazine (01.01.2018)
Published in IEEE electrical insulation magazine (01.01.2018)
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Magazine Article
Mineral insulating oils ageing monitoring by modified oxidation induction time
Fernandes, Paulo O., Wilhelm, Helena M., Feitosa, Leandro G., dos Santos, Geovana C., Gomez, Neffer A. G., Dal Pont, Giorgi
Published in 2017 IEEE Electrical Insulation Conference (EIC) (01.06.2017)
Published in 2017 IEEE Electrical Insulation Conference (EIC) (01.06.2017)
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Conference Proceeding
SF6 contaminated by SO2: Dielectric strength and influence on sealing materials
Wilhelm, Helena M., Mattoso, Mauricio, Gomez, Neffer A. G., Fernandes, Paulo O., Feitosa, Leandro, Cruz, Vanderlei, Meyer, Luiz H.
Published in 2014 IEEE Electrical Insulation Conference (EIC) (01.06.2014)
Published in 2014 IEEE Electrical Insulation Conference (EIC) (01.06.2014)
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Conference Proceeding
Accelerated aging of so2 switchgear seals
Mattoso, Mauricio, Wilhelm, Helena M., Gomez, Neffer A. G., Fernandes, Paulo O., Feitosa, Leandro, Cruz, Vanderlei R., Meyer, Luiz H., Wypych, Fernando
Published in IEEE electrical insulation magazine (01.01.2016)
Published in IEEE electrical insulation magazine (01.01.2016)
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Magazine Article
Accelerated aging of so sub(2) switchgear seals
Mattoso, Mauricio, Wilhelm, Helena M, Gomez, Neffer AG, Fernandes, Paulo O, Feitosa, Leandro, Cruz, Vanderlei R, Meyer, Luiz H, Wypych, Fernando
Published in IEEE electrical insulation magazine (01.01.2016)
Published in IEEE electrical insulation magazine (01.01.2016)
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Magazine Article