Results 31 to 40 of about 448,187 (305)

Effect of electric field on the photoluminescence of polymer-inorganic nanoparticles composites

open access: yes, 2008
We report on the effect of electric field on the photoluminescence, PL, from a composite consisting of a conjugated polymer mixed with zinc oxide nanoparticles.
Andrey N. Aleshin   +19 more
core   +1 more source

Ceramic identity contributes to mechanical properties and osteoblast behavior on macroporous composite scaffolds. [PDF]

open access: yes, 2012
Implants formed of metals, bioceramics, or polymers may provide an alternative to autografts for treating large bone defects. However, limitations to each material motivate the examination of composites to capitalize on the beneficial aspects of ...
Genetos, Damian C   +4 more
core   +4 more sources

Experimental and numerical analysis of the consolidation process for additive manufactured continuous carbon fiber-reinforced polyamide 12 composites

open access: yesFrontiers in Materials, 2022
Substitution of conventional metal structures with fiber-reinforced polymers is possible because of their sustainable performance. One of the primary disadvantages of these composite materials is their high cost due to labor-intensive manufacturing ...
Igor Zhilyaev   +8 more
doaj   +1 more source

Double walled carbon nanotube/polymer composites via in-situ nitroxide mediated polymerisation of amphiphilic block copolymers [PDF]

open access: yes, 2004
Because of their unique physical, chemical, and structural properties, carbon nanotubes (CNT) are playing an increasingly important role in the development of new engineering materials [1].
Billon, Laurent   +7 more
core   +3 more sources

Mechanical anisotropy of PAN-based and pitch-based carbon fibers

open access: yesMechanical Engineering Journal, 2020
With the expansion of use of carbon fiber reinforced plastics (CFRPs), it becomes important to obtain precise knowledge of elastic properties carbon fibers in radial direction as well as axial direction.
Keiichi SHIRASU   +2 more
doaj   +1 more source

Investigating the thermal stability of 1-3 piezoelectric composite transducers by varying the thermal conductivity and glass transition temperature of the polymeric filler material [PDF]

open access: yes, 2002
The thermal behaviour of a number of 1-3 piezoelectric composite transducers is discussed. In particular, devices manufactured from a polymer filler with a relatively high glass to rubber transition temperature (T-g), and from polymer systems with ...
Benny, C.G.   +6 more
core   +1 more source

Role of Testing Conditions in Formation of Tribological Layers at Line Contacts of Antifriction CF-Reinforced PI- and PEI-Based Composites

open access: yesMolecules, 2022
High-strength PI and PEI polymers differ by chemical structure and flexibility of the polymer chains that ensure lower cost and higher manufacturability of the latter.
Sergey V. Panin   +7 more
doaj   +1 more source

Thermal Expansion and Diffusion Coefficients of Carbon Nanotube-Polymer Composites

open access: yes, 2002
Classical molecular dynamics (MD) simulations employing Brenner potential for intra-nanotube interactions and Van der Waals forces for polymer-nanotube interfaces are used to invetigate the thermal expansion and diffusion characteristics of carbon ...
Cho, Kyeongjae   +2 more
core   +1 more source

Integrated static and dynamic modeling of an ionic polymer–metal composite actuator [PDF]

open access: yes, 2014
Ionic polymer–metal composites have been widely used as actuators for robotic systems. In this article, we investigate and verify the characteristics of ionic polymer–metal composite actuators experimentally and theoretically.
Bajon, Damienne   +4 more
core   +2 more sources

Delamination resistant composites by interleaving bio-based long-chain polyamide nanofibers through optimal control of fiber diameter and fiber morphology [PDF]

open access: yes, 2020
In this work an innovative electrospinning system is proposed that simultaneously has an adequate temperature resistance, a high increase in mode I (þ51%) and mode II (þ96%) delamination performance and can be commercially produced.
Daelemans, Lode   +5 more
core   +2 more sources

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