Hierarchical Mechanisms of Lateral Interactions in High-Performance Fibers

Autor: Dimitry Papkov, Taylor A. Stockdale, Michael R. Roenbeck, Jeffrey M. Staniszewski, Kenneth E. Strawhecker, Daniel P. Cole, Steve R. Lustig, Youris A Dzenis

Publikováno v: ACS applied materialsinterfaces. 12(19)

The processing conditions used in the production of advanced polymer fibers facilitate the formation of an oriented fibrillar network that consists of structures spanning multiple length scales. The irregular nature of fiber tensile fracture surfaces

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::605894817ce9b7b0d1c64d2a2478ade9
https://pubmed.ncbi.nlm.nih.gov/32142249

Quantifying Polymer Chain Orientation in Strong and Tough Nanofibers with Low Crystallinity: Toward Next Generation Nanostructured Superfibers

Autor: Steven Araujo, Laurent Delbreilh, Taylor A. Stockdale, Kaspars Maleckis, Martin V. Holt, Eric Dargent, Christian Pellerin, Nicolas Delpouve, Dimitry Papkov, Yan Zou, Vinayak P. Dravid, Yuris A. Dzenis, Mohammad Nahid Andalib, Sergey Mamedov

Publikováno v: ACS Nano
ACS Nano, 2019, ⟨10.1021/acsnano.8b08725⟩
ACS Nano, American Chemical Society, 2019, ⟨10.1021/acsnano.8b08725⟩

International audience; Advanced fibers revolutionized structural materials in the second half of the 20th century. However, all high-strength fibers developed to date are brittle. Recently, pioneering simultaneous ultrahigh strength and toughness we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df043d167f2c972dc8bdedd9f6d65f13
https://normandie-univ.hal.science/hal-02129923

Dielectric and calorimetric signatures of chain orientation in strong and tough ultrafine electrospun polyacrylonitrile

Autor: Laurent Delbreilh, Yuris A. Dzenis, Nicolas Delpouve, Dimitry Papkov, Eric Dargent, Steven Araujo

Publikováno v: Polymer
Polymer, 2019, pp.121638. ⟨10.1016/j.polymer.2019.121638⟩
Polymer, Elsevier, 2019, pp.121638. ⟨10.1016/j.polymer.2019.121638⟩

Ultrafine diameter fibers of polyacrylonitrile (PAN), obtained from electrospinning, have huge potential for structural applications since they exhibit an unusual combination of strength and toughness. However, the difficulty to characterize their su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a6f5699cc66cf7f1e8221285035a3a6
https://doi.org/10.1016/j.polymer.2019.121638

Improved Graphitic Structure of Continuous Carbon Nanofibers via Graphene Oxide Templating

Autor: SonBinh T. Nguyen, Owen C. Compton, Zhi An, Alexander V. Goponenko, Xing Zhong Li, Dimitry Papkov, Yuris A. Dzenis, Alexander P. Moravsky

Publikováno v: Advanced Functional Materials. 23:5763-5770

Continuous carbon nanofibers (CNF) present an attractive building block for a variety of multifunctional materials and devices. However, the carbonization of poly(acrylonitrile) (PAN) precursors usually results in CNFs with poor graphitic structure a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::11e7bb45bf2ef0da7db2955134333316
https://doi.org/10.1002/adfm.201300653

Nano to Macro: Mechanical Evaluation of Macroscopically Long Individual Nanofibers

Autor: Dimitry Papkov, Kaspars Maleckis, Yan Zou, Alexander V. Goponenko, Yuris A. Dzenis, Mohammad Nahid Andalib

Publikováno v: MEMS and Nanotechnology, Volume 5 ISBN: 9783319224572

Nanomaterials such as carbon nanotubes and graphene attract considerable attention due to their extraordinary mechanical and other properties. However, discontinuous nature of these carbon allotropes prevents easy transfer of their mechanical propert

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4955e73abedb4cad38bb7da7e4a54397
https://doi.org/10.1007/978-3-319-22458-9_6