Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Keith M. Kirkwood"'
Autor:
Nikos Hadjichristidis, Anastasia Nikopoulou, Dimitris Vlassopoulos, Salvatore Coppola, Keith M. Kirkwood, Frank Snijkers, L. G. Leal
Publikováno v:
Journal of Rheology. 60:451-463
We report upon the characterization of the steady-state shear stresses and first normal stress differences as a function of shear rate using mechanical rheometry (both with a standard cone and plate and with a cone partitioned plate) and optical rheo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a49e5cafeb2b9d683ec877bbf6ab6861
https://doi.org/10.1122/1.4944993
https://doi.org/10.1122/1.4944993
Autor:
Nikos Hadjichristidis, L. Gary Leal, Paraskevi Driva, Keith M. Kirkwood, Dimitris Vlassopoulos
Publikováno v:
Macromolecules. 42:9592-9608
We measured the linear and nonlinear rheology of model polyisoprene comb polymers with a moderate number (5−18) of short (marginally entangled to unentangled) branches and highly entangled backbones. The hierarchical modes of relaxation were found
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5abb9288ae8f7be81ebe91879dd0ea1
https://doi.org/10.1021/ma900950s
https://doi.org/10.1021/ma900950s
Publikováno v:
Journal of Rheology. 53:1133-1153
We measure the stress relaxation of linear comb polymer solutions, after a large amplitude step shear strain. We apply the time-temperature superposition principle in order to construct stress relaxation master curves that span many orders of magnitu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c244ec3e435129ab38e1ca43827c7b4f
https://doi.org/10.1122/1.3191781
https://doi.org/10.1122/1.3191781
Autor:
Young Sil Lee, Ronald G. Egres, John E. Kirkwood, Norman J. Wagner, Eric D. Wetzel, Keith M. Kirkwood
Publikováno v:
Textile Research Journal. 74:939-948
The energy absorbed in ballistic fabrics is modeled by assuming yarn pull-out, including yarn uncrimping and translation, as the primary energy absorption mechanism. Using a semi-empirical model of yarn pull-out based on laboratory tests, predictions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b75dcacf29ec5f2e6e60461221ab86fc
https://doi.org/10.1177/004051750407401101
https://doi.org/10.1177/004051750407401101
Publikováno v:
ASME 2011 Summer Bioengineering Conference, Parts A and B.
Cephalopods are a class of mollusks that include cuttlefish, octopus, and squid1 that are capable of adaptive display capabilities. The cephalopods unique adaptable appearance is enabled by a sequence of thin layers in their soft and stretchable skin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb36e21aa83d1ca24ad0a4b2d9527f24
https://doi.org/10.1115/sbc2011-53073
https://doi.org/10.1115/sbc2011-53073
Autor:
Keith M. Kirkwood, Dimitris Vlassopoulos, L. Gary Leal, Albert Co, Gary L. Leal, Ralph H. Colby, A. Jeffrey Giacomin
Publikováno v:
AIP Conference Proceedings.
Stress relaxation behavior after a large step strain is reported for a polyisoprene comb with lightly entangled arms. The linear viscoelastic behavior of the comb is fit with the theoretical model of Kapnistos et al.[1] using characteristic values fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d058773a8eac0817d2113372946286eb
https://doi.org/10.1063/1.2964714
https://doi.org/10.1063/1.2964714
Autor:
Keith M. Kirkwood, Ronald G. Egres, John E. Kirkwood, Norman J. Wagner, Young Sil Lee, Eric D. Wetzel
Publikováno v:
AIP Conference Proceedings.
The addition of colloidal shear thickening fluids (STFs) to Kevlar fabrics has been shown to enhance the ballistic penetration resistance of the fabric, under conditions of low velocities and small target sizes. It is believed that this improvement i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53df5f043d8204424a4462241eb33738
https://doi.org/10.1063/1.1766538
https://doi.org/10.1063/1.1766538
Autor:
Keith M. Kirkwood, L. Gary Leal, Dimitris Vlassopoulos, Paraskevi Driva, Nikos Hadjichristidis
Publikováno v:
Macromolecules; Dec2009, Vol. 42 Issue 24, p9592-9608, 17p