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characterization

Hamid Souri's picture

A theoretical study on the piezoresistive response of carbon nanotubes embedded in polymer nanocomposites in an elastic region

Herein, we report a theoretical study of polymeric nanocomposites to provide physical insight into complex material systems in elastic regions. A self-consistent scheme is adopted to predict piezoresistive characteristics, and the effects of the interface and of tunneling on the effective piezoresistive and electrical properties of the nanocomposites are simulated. The overall piezoresistive sensitivity is predicted to be reduced when the lower interfacial resistivity of multi-walled carbon nanotubes (MWCNTs) and the higher effective stiffness of nanocomposites are considered.

Rouzbeh1's picture

Post-Doctoral Associate/Research Scientist Position in Advanced Materials at Rice University

 

Position Description: 

A postdoctoral associate/research scientist position in the area of advanced synthesis and characterization of materials and nanocomposites is available at Rice University. The successful candidates will work in a highly inter-disciplinary and stimulating environment.

 

Job Duties and Responsibilities: 

Guenhael's picture

Ph.D. Candidate Position on “Characterization of the local mechanical behavior of elastomer materials by instrumented nanoindentation”

One Ph.D. candidate position is available in the Fall 2017 in the Elastomer Research Center (Cermel) at the Laboratory of Mechanics and Rheology (LMR) in the Polytechnic School of the University of Tours in France.

Job description

The aim of this Ph.D. is to extend the comprehension of the local mechanisms involved in elastomer materials, in order to faithfully reproduce their behavior in finite element models. The Ph.D. applicant is expected to carry out both theoretical and experimental work.

Rouzbeh1's picture

Multiple Post-Doctoral Positions in Advanced Synthesis and Characterization at Rice University

Position Description: Multiple postdoctoral associate positions in the area of advanced synthesis and nano/micro-scale characterization of nanoparticles and nanocomposites are available at Rice University. Various techniques will be applied to synthesize and self-assemble size- and shape-controlled (calcium) silicate-polymer nanoparticles followed by nano- and micro-characterizations including a myriad of probes such as electron microscopies (TEM, XRD, SEM, AFM), ICP, XPS, NMR, porosimetry, dynamic mechanical analysis, nanoindentation, etc.

Markus J. Buehler's picture

MIT Faculty Positions in Civil & Environmental Engineering

The Department of Civil and Environmental Engineering invites applications for several tenure-track faculty positions to begin July 2015 or thereafter.  Appointments will be at the assistant or untenured associate professor level. In special cases, a senior faculty appointment may be possible.  We will consider exceptional candidates in a range of areas, broadly defined.  Further information about the department can be found at this page

Rouzbeh1's picture

Two Post Doctoral Positions in Advanced Synthesis and Characterization at Rice University

Position Description: Two postdoctoral associate positions in the area of advanced synthesis and nano/micro-scale characterization of nanoparticles are available at Rice University. Various techniques will be applied to synthesize and self-assemble size- and shape-controlled silicate nanoparticles followed by nano- and micro-characterizations including a myriad of probes such as electron microscopies (TEM, XRD, SEM, AFM), ICP, XPS, NMR, porosimetry, dynamic mechanical analysis, nanoindentation, etc.

wvmars's picture

Hyperelastic material characterization: why they call it the pure shear specimen

Many people puzzle over the nomenclature of the pure shear test. They rightly point out that 1) the Pure Shear test piece is loaded in tension by extending the specimen in the axial direction, and 2) a shearing deformation, by definition, involves the lateral motion of parallel planes. They wonder where is the "shear"? and what does it mean to say that the shear is "pure"?  Here, we review the origins of the terminology. 

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