Dr. Longfei Chang Profile

Dr. Longfei Chang

at Hefei Univ of Technology

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Author

Publications (5)

Proceedings Article | 9 May 2024 Presentation + Paper

Dynamic/static ionic composite sensor

Qian Yang, Longfei Chang, Qiao Hu, Veiko Vunder, Janno Torop, Heiki Kasemägi, Teet Tilk, Alvo Aabloo

Proceedings Volume 12945, 129450G (2024) https://doi.org/10.1117/12.3011137

KEYWORDS: Sensors, Ionic polymer metal composites, Resistance, Ions, Electrodes, Tunable filters, Deformation, Data fusion, Electronic filtering, Signal detection

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Proceedings Article | 15 April 2016 Paper

Mass and charge transport in IPMC actuators with fractal interfaces

Longfei Chang, Yucheng Wu, Zicai Zhu, Heng Li

Proceedings Volume 9798, 979833 (2016) https://doi.org/10.1117/12.2219296

KEYWORDS: Interfaces, Fractal analysis, Polymers, Composites, Electroactive polymers, Polymeric actuators, Electrodes, Finite element methods, Dielectrics, Solid modeling

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Proceedings Article | 15 April 2016 Paper

Preparation and characterization of sulfonated carbon nanotube/Nafion IPMC actuators

Jie Ru, Yanjie Wang, Longfei Chang, Hualing Chen, Bo Li, Shuhai Jia

Proceedings Volume 9798, 97982Z (2016) https://doi.org/10.1117/12.2219047

KEYWORDS: Actuators, Carbon nanotubes, Smart materials, Polymers, Metals, Composites, Carbon, Polymeric actuators, Doping, Ion exchange, Scanning electron microscopy, Ions, Sodium, FT-IR spectroscopy, Chemical analysis

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Proceedings Article | 4 April 2012 Paper

A structure model for Ionic Polymer-Metal Composite (IPMC)

Longfei Chang, Hualing Chen, Zicai Zhu

Proceedings Volume 8340, 83402K (2012) https://doi.org/10.1117/12.917424

KEYWORDS: Electrodes, Palladium, Composites, Polymers, Interfaces, Fractal analysis, Particles, Actuators, Metals, Polymeric actuators

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Proceedings Article | 29 March 2011 Paper

Influence of fabrication process steps on Pd-IPMC electrode morphologies and mechano-electrical properties

Zicai Zhu, Hualing Chen, Longfei Chang, Bo Li, Yongquan Wang

Proceedings Volume 7976, 79762T (2011) https://doi.org/10.1117/12.881865

KEYWORDS: Electrodes, Particles, Electroless plating, Metals, Scanning electron microscopy, Palladium, Interfaces, Chemical reactions, Crystals, Polymers

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