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Article
Random fiber networks with inclusions: the effect of the inclusion stiffness
The mechanical behavior of random fiber networks containing inclusions is studied in this work. Inclusions are considered spherical and of radius comparable to the network mean segment length. Their stiffness ...
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Article
Mechanical behavior of mycelium-based particulate composites
This work investigates the mechanical behavior of mycelium composites reinforced with biodegradable agro-waste particles. In the composite, the mycelium acts as a supportive matrix which binds reinforcing part...
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Article
Bone toughening through stress-induced non-collagenous protein denaturation
Bone toughness emerges from the interaction of several multiscale toughening mechanisms. Recently, the formation of nanoscale dilatational bands and hence the accumulation of submicron diffuse damage were sugg...
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Article
Open AccessPublisher Correction: Morphology and mechanics of fungal mycelium
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
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Article
Open AccessMorphology and mechanics of fungal mycelium
We study a unique biomaterial developed from fungal mycelium, the vegetative part and the root structure of fungi. Mycelium has a filamentous network structure with mechanics largely controlled by filament ela...
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Article
Open AccessSelf-organized Sr leads to solid state twinning in nano-scaled eutectic Si phase
A new mechanism for twin nucleation in the eutectic Al-Si alloy with trace Sr impurities is proposed. Observations made by sub-angstrom resolution scanning transmission electron microscopy and X-ray probing pr...
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Article
Structural evolution and mechanical properties of iPP melt spun fibers subjected to thermal treatment
An investigation of the structure and mechanical behavior of melt-spun isotactic polypropylene (iPP) fibers subjected to thermal treatment in an inert atmosphere is described. Two iPP formulations, Basell Pro-...
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Article
Strain Hardening and Strain Rate Sensitivity Behaviors of Advanced High Strength Steels
The mechanical properties of commercial dual phase (DP), transformation induced plasticity (TRIP), and high strength low alloy (HSLA-340) steel sheets are investigated and compared at various strain rates rang...
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Article
Al-SiC Nanocomposites Produced by Ball Milling and Spark Plasma Sintering
In this work Al-SiC nanocomposites were prepared by high energy ball milling followed by spark plasma sintering of the powder. For this purpose Al micro-powder was mixed with 50 nm diameter SiC nanoparticles. ...
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Article
The Role of Friction in the Mechanics of Non-bonded Random Fiber Networks
The mechanics of systems of non-cross-linked fiber networks is studied in this work using a computational model inspired from the bead-spring models of polymeric melts. The fibers have random orientation and d...
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Article
Measurements of Resonance Frequency of Parylene Microspring Arrays Using Atomic Force Microscopy
A mechanical vibration system was made by sandwiching an array of parylene-C microsprings between two flat plates of Si. This system was driven mechanically in forced oscillation using a piezo transducer attac...
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Article
A Concurrent Multi-Scale Method for Coupling Atomistic and Continuum Models at Finite Temperatures
A concurrent multi-scale modeling method for finite temperature simulation of solids is introduced. The objective is to represent far from equilibrium phenomena using an atomistic model and near equilibrium ph...
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Article
Aluminum Alloys with Identical Plastic Flow and Different Strain Rate Sensitivity
Mg-rich and Si-rich aluminum alloys from the AA6XXX class are considered to demonstrate that standard heat treatments can be used to produce materials with identical plastic flow (yield stress and strain harde...
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Article
Long-range correlations of elastic fields in semi-flexible fiber networks
The mechanical properties of semi-flexible networks have been the subject of intense theoretical and experimental studies concerned primarily with the understanding of the complex behavior of biological system...
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Article
Mechanical properties of porous methyl silsesquioxane and nanoclustering silica films using atomic force microscope
Mechanical properties of porous methyl silsesquioxane samples with dielectric constant 2.4 and 2.0 and a recently developed nanoclustering silica film samples with dielectric constants 2.3 and 2.0 were evaluat...
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Article
Effect of fiber orientation on the non-affine deformation of random fiber networks
The study of fiber networks is essential in understanding the mechanical properties of many polymeric and biological materials. These systems deform non-affinely, i.e. the local deformation is different than t...
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Chapter
Multiscale Approach to Predicting the Mechanical Behavior of Polymeric Melts
Modeling the mechanical behavior of polymers and polymer-based materials is notoriously difficult, primarily due to the need to integrate physics taking place on multiple scales. In this chapter we review sing...
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Article
Coarse-grained model of entangled polymer melts in non-equilibrium
A coarse-grained model developed for entangled polymeric systems and calibrated to represent melts in equilibrium (Rakshit, Picu, J Chem Phys 125:164907(1)–(10), 2006) is used to model shear flows. The model is a...
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Article
Deformation of amorphous silicon nanostructures subjected to monotonic and cyclic loading
An atomic force microscope (AFM) was used to characterize the deformation behavior of amorphous Si (a-Si) nanostructures subjected to monotonic and cyclic loading. The sample geometry was specially designed (i...
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Article
Dislocation Core Structure Evolution During Dislocation Glide in FCC Lattices
A dislocation core model is developed in terms of a singular decomposition of the elastic field surrounding the defect in a power series of 1/rn. The decomposition is a Laurent expansion beginning with the term c...
