Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Per Askeland"'
Autor:
Dianyi Liu, Per Askeland, Songyang Han, Richard R. Lunt, Pei Chen, Matthew Bates, Chenchen Yang
Publikováno v:
ACS Applied Energy Materials. 2:3972-3978
Transparent photovoltaic (TPV) devices have a number of unique advantages compared with opaque photovoltaic devices. However, balancing efficiency and transparency has been difficult. To date, few ...
Publikováno v:
Polymer. 111:36-47
This work explored the incorporation of a triblock copolymer in carbon fiber reinforced epoxy polymer composites (CFRPs) to improve their mode-I fracture toughness, G Ic (J/m 2 ). The triblock copolymer poly (styrene)-block-poly (butadiene)-block-pol
Publikováno v:
Polymer Composites. 38:1474-1482
Functionalized silicon dioxide nanoparticles (nano-fSiO2) were uniformly deposited on the surface of carbon fibers (CFs) using a coating process which consisted of immersing the fibers directly in a suspension of nano-fSiO2 particles and epoxy monome
Autor:
Mihaela Banu, Azadeh Sheidaei, Farhang Pourboghrat, Per Askeland, Lawrence T. Drzal, Hamid Garmestani, Majid Baniassadi, Nick Kuuttila, M. Pahlavanpour
Publikováno v:
Composites Science and Technology. 80:47-54
3-D reconstruction of Halloysite nanotube (HNT) polypropylene composite has been performed using two different methods. In the first method, several slices of the composite material were obtained using focused ion beam (FIB), and scanning electron mi
Autor:
Yong-Hun Cho, Jeff Sakamoto, Hyunjoong Kim, Eldon D. Case, Jeff Wolfenstine, Heeman Choe, Per Askeland, Hyungyung Jo, Isabel N. David
Publikováno v:
Materials Letters. 96:117-120
This is the first report of fracture toughness analysis of a new ceramic electrolyte (Li 7 La 3 Zr 2 O 12 ). The fracture toughness was measured using an indentation technique and subsurface crack propagation was analyzed using a novel focused ion be
Publikováno v:
Composites Science and Technology. 68:1734-1741
Exfoliated graphite nanoplatelet (xGnP)/copper (Cu) coated carbon fibers were fabricated by electrophoretic deposition under different applied voltages. The electrical and mechanical properties of individual fibers and composites made from these fibe
Publikováno v:
Journal of Polymers and the Environment. 16:177-182
Chemical modification of soy protein with monomers such as maleic anhydride, glycidyl methacrylate and styrene was accomplished using reactive extrusion technology. Thermal and mechanical properties of the modified soy protein plastics were character
Publikováno v:
Polymer. 49:1285-1296
Microfibrillated cellulose (MFC) possessing a ‘web-like’ morphology was successfully modified with three different coupling agents: 3-aminopropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, and a titanate coupling agent (Lica 38). The surf
Publikováno v:
Journal of Materials Science. 43:2895-2907
The focus of this research is to investigate how exfoliated graphite nanoplatelets, xGnP™, (graphene sheets ∼10 nm thickness, ∼1 μm diameter), a nanomaterial developed by the Drzal group, affects the crystallization of semicrystalline thermopl
Publikováno v:
The Journal of Adhesion. 83:43-66
The effect of ultraviolet (UV) radiation in the presence of ozone as a surface treatment for polycarbonate is examined in regards to changes in the wettability, adhesion, and surface mechanical properties. Standalone, 175-µm-thick films of a commerc