Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Steven H. McKnight"'
Autor:
Scott W. Case, Bradley A. Davis, Martin Etemadi, Christopher B. Williams, Steven H. McKnight, Michael J. Bortner, Arit Das
Publikováno v:
Polymer Composites. 42:6010-6024
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::112cc2a7b4351fd03278c8f1854e31f7
https://doi.org/10.1002/pc.26281
https://doi.org/10.1002/pc.26281
Autor:
Claire McIlroy, John M. Gardner, Eric L. Gilmer, David A. Anderegg, Emilie J. Siochi, David A. Dillard, Steven H. McKnight, Michael J. Bortner, Godfrey Sauti
Fused filament fabrication (FFF), a form of filament-based material extrusion additive manufacturing (AM), is an extremely useful technique for the rapid production of highly customized products; however, empirical evidence is heavily relied upon for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38e084b5fc53c8b9b8fabc8ae89dc615
Publikováno v:
Additive Manufacturing. 30:100810
This review documents the current state of the art of highly filled (HF) polymer composite systems used in additive manufacturing (AM), with a core focus on short and continuous fiber filled composites for use in material extrusion (MatEx) AM. Curren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91a14d80d1638934e9730f06ce84159e
https://doi.org/10.1016/j.addma.2019.100810
https://doi.org/10.1016/j.addma.2019.100810
Autor:
Robert E. Jensen, W. Li, Steven H. McKnight, Bazle Z. (Gama) Haque, Xiguang Gao, John W. Gillespie
Publikováno v:
Composites Part A: Applied Science and Manufacturing. 74:10-17
The effect of fiber sizing and surface texture on the strength and energy absorbing capacity of fiber reinforced composites has been evaluated at two length scales using the macromechanical quasi-static punch shear test and the micromechanical microd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7562ee35bd37f4ae20db53dcf6cc6c7c
https://doi.org/10.1016/j.compositesa.2015.03.023
https://doi.org/10.1016/j.compositesa.2015.03.023
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 47:1809-1824
Poly-pyridobisimiazole (M5) single filaments subjected to varying degrees of heat treatment have been analyzed using Fourier Transform Infrared (FTIR) microspectroscopy in transmission mode to detect changes in the state of intermolecular hydrogen bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3be4b81cc4a55762a227359863e73269
https://doi.org/10.1002/polb.21767
https://doi.org/10.1002/polb.21767
Publikováno v:
Polymer. 50:2900-2905
A clear correlation between the degree of intermolecular hydrogen bonding (H-bonding) and axial compressive strength of pyridobisimidazole (M5) as-spun fiber specimens subjected to varying annealing conditions has been established by means of Fourier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db9502cd17d22b89cc549ac18387b7ac
https://doi.org/10.1016/j.polymer.2009.04.019
https://doi.org/10.1016/j.polymer.2009.04.019
Publikováno v:
Polymer. 50:1228-1235
The surface and interfacial properties of different high performance fibers of current interest have been analyzed. The pyridobisimidazole fiber M5 shows a markedly higher polar contribution to its surface free energy than the rest of the organic fib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b531091ef39b44287be1fa69eb24ec0
https://doi.org/10.1016/j.polymer.2009.01.018
https://doi.org/10.1016/j.polymer.2009.01.018
Autor:
Steven H. McKnight, Joseph M. Deitzel, John W. Gillespie, Robert E. Jensen, W. Li, Xiguang Gao
Publikováno v:
Journal of Composite Materials. 42:513-534
Most of the research to date has focused on tailoring the interphase adhesion by controlling the degree of chemical bonding between fiber and resin. The interfacial shear strength (IFSS) has been increased as much as 40% by modified chemical surface
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39f33c291150316232b9d44f38f4147b
https://doi.org/10.1177/0021998307086203
https://doi.org/10.1177/0021998307086203
Autor:
Steven H. McKnight, Robert E. Jensen, Matthew S. Bratcher, Joshua A. Orlicki, J. Derek Demaree, Wendy E. Kosik
Publikováno v:
Polymer. 48:2818-2826
Hyperbranched polyethyleneimines were modified with methacrylated fluorosurfactants and aliphatic epoxides to provide a library of macromolecules with controlled chain ends and residual amine functionality. These materials were co-dissolved with a th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93b4e90678ee9b611234f7c88d20994a
https://doi.org/10.1016/j.polymer.2007.03.021
https://doi.org/10.1016/j.polymer.2007.03.021
Autor:
Steven H. McKnight, Andres A. Bujanda, J. Derek Demaree, J. K. Hirvonen, Daphne Pappas, Robert E. Jensen, Wendy E. Kosik
Publikováno v:
Surface and Coatings Technology. 201:4384-4388
In this work, polyamide (Nylon 6) fibers and films were treated under atmospheric pressure glow discharges (APGD) and the effects on the morphology and chemistry of the material were studied. The fibers were plasma treated with N 2 , C 2 H 2 in He fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35696a6515ba703f35f81db45088bf47
https://doi.org/10.1016/j.surfcoat.2006.08.068
https://doi.org/10.1016/j.surfcoat.2006.08.068