نتایج جستجو برای: polymer matrix composites pmcs

تعداد نتایج: 485134  

Journal: :Advances in colloid and interface science 2014
Bankim Chandra Ray Dinesh Rathore

Fibre reinforced polymer (FRP) composites are the most promising and elegant material of the present century. Their durability and integrity in various service environments can be altered by the response of its constituent i.e. fibre, polymer matrix, and the existing interface/interphase between the fibre and polymer matrix, in that particular environment. The interphase is generally manifested...

Journal: :Nanotechnology 2013
James Loomis Peng Xu Balaji Panchapakesan

Our work introduces a class of stimuli-responsive expanding polymer composites with the ability to unidirectionally transform their physical dimensions, elastic modulus, density, and electrical resistance. Carbon nanotubes and core-shell acrylic microspheres were dispersed in polydimethylsiloxane, resulting in composites that exhibit a binary set of material properties. Upon thermal or infrared...

2008
Zhaohui Yang Zheng Cao Hao Sun Yan Li

Hybrid materials based on carbon nanotubes (CNTs) and polymers, which integrate the unique characters and functions of these two types of components, have shown improved properties and potential applications in many fields. However, the aggregation of CNTs in the polymer matrix is always a big problem in the preparation of composites. It has been proven that using CNT arrays instead of random C...

2006
S. Conti M. Lenz M. Rumpf

Composites of small magnetic-shape-memory (MSM) particles embedded in a polymer matrix have been proposed as an energy damping mechanism and as actuators. Compared to a single crystal bulk material, the production is simpler and more flexible, as both type of the polymer and geometry of the microstructure can be tuned. Compared to polycrystals, in composites the soft polymer matrix permits the ...

2015
Fakhruddin Patwary Vikas Mittal

Polyethylene nanocomposites with silica, alumino-silicate and thermally reduced graphene were generated by adding pro-oxidant additive. Additive resulted in early degradation of pure polymer, however, the degradation was delayed in the presence of fillers. Graphene resulted in maximum extent of enhancement of peak degradation temperature (13-14 °C depending on the additive content) followed by ...

2009
Donald W. Radford Andrew Grabher John Bridge

Resin transfer molding of an inorganic polymer binder was successfully demonstrated in the preparation of ceramic fiber reinforced engine exhaust valves. Unfortunately, in the preliminary processing trials, the resulting composite valves were too brittle for in-engine evaluation. To address this limited toughness, the effectiveness of a modified fiber-matrix interface is investigated through th...

2012
David A. Marsh Megan W. Szyndler Robert M. Corn A. S. Borovik

The formation of nanoparticle-polymer composites that can be processed by injection molding from superparamagnetic magnetite (Fe3O4) nanoparticles (MNPs) and the polymerizable molecule styryl acetylacetonate (stacac) is described. The best composites were created by first synthesizing MNPs in the presence of a surfactant followed by replacement with an excess of stacac monomer in a surfactant e...

2016
Rushita Shah Nabanita Saha Takeshi Kitano Petr Saha

Mineralized polymer composites (MPC) are recognized as potential fillers of bone defects. Though bioceramics exhibits quite a good bone-bonding and vascularization, it is considered to be too stiff and brittle for using alone. Thus, the use of polymer scaffold instead of bioceramics has several advantages including combining the osteoconductivity and bonebonding potential of the inorganic phase...

2007
J. BARRY ANDREWS UDAY K. VAIDYA

Fiber-reinforced polymer composites (FRCs) have shown great promise as high strength structural materials due to their high stiffness to weight ratio and their ease in processing. They have found extensive use in aerospace, automotive, construction, and recreational equipment material applications. Research in polymer-based nanocomposites (PNCs) has shown explosive growth in the past decade wit...

2018
Rui Tian Jinpan Zhong Chao Lu Xue Duan

There is a long-standing challenge to realize in situ visualization of incorporated inorganic materials in organic–inorganic composites in a post-labeling manner, owing to the lack of specific fluorescent organic dye molecules for targeting inorganic materials. Herein, we observe that the specific covalent B–O binding between the hydroxyl groups of inorganic materials and commercially available...

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