Search Results - "Picu, R C"

Mechanical behavior of mycelium-based particulate composites by Islam, M. R., Tudryn, G., Bucinell, R., Schadler, L., Picu, R. C.

“…This work investigates the mechanical behavior of mycelium composites reinforced with biodegradable agro-waste particles. In the composite, the mycelium acts…”
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Poisson's Contraction and Fiber Kinematics in Tissue: Insight From Collagen Network Simulations by Picu, R C, Deogekar, S, Islam, M R

“…Connective tissue mechanics is highly nonlinear, exhibits a strong Poisson's effect, and is associated with significant collagen fiber re-arrangement. Although…”
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Size effects in random fiber networks controlled by the use of generalized boundary conditions by Merson, J., Picu, R.C.

“…Materials with a stochastic fiber network as the main structural constituent are broadly encountered in engineering and in biology. These materials are…”
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A mechanism for the negative strain-rate sensitivity of dilute solid solutions by Picu, R.C

“…A new mechanism is proposed for dynamic strain ageing and the negative strain-rate sensitivity (SRS) exhibited by dilute solid solutions containing mobile…”
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Atomistic study of pipe diffusion in Al–Mg alloys by Picu, R.C., Zhang, D.

“…Solute diffusion in an Al-rich binary Al–Mg alloy is studied by means of atomistic simulations. The activation energy for diffusion of Mg in the bulk is…”
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Strain rate sensitivity of the commercial aluminum alloy AA5182-O by Picu, R.C., Vincze, G., Ozturk, F., Gracio, J.J., Barlat, F., Maniatty, A.M.

“…The mechanical behavior of the commercial aluminum alloy AA5182-O is investigated at temperatures ranging from −120 to 150 °C and strain rates from 10 −6 to 10…”
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Mechanical behavior of Ti–6Al–4V at high and moderate temperatures—Part II: constitutive modeling by Picu, R.C., Majorell, A.

“…A physically-based model for the deformation of Ti–6%–Al-4%V is proposed. The various deformation mechanisms active in this material over the whole range of…”
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Concurrent coupling of atomistic and continuum models at finite temperature by Mathew, N., Picu, R.C., Bloomfield, M.

“…A concurrent multiscale method for coupling discrete (atomistic) and continuum models at finite temperatures is presented. Motion of atoms is governed by an…”
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Mechanical behavior of Ti–6Al–4V at high and moderate temperatures—Part I: Experimental results by Majorell, A, Srivatsa, S, Picu, R.C

“…This study investigates the plastic deformation of titanium alloy Ti–6%Al–4%V under low and moderate strain rates and various temperature conditions…”
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Elasticity of sparsely cross-linked random fibre networks by Shahsavari, A.S., Picu, R.C.

“…The elastic modulus of two-dimensional random fibre networks is determined for structures in which, the degree of cross-linking is varied. The relationship…”
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Morphology and mechanics of fungal mycelium by Islam, M. R., Tudryn, G., Bucinell, R., Schadler, L., Picu, R. C.

“…We study a unique biomaterial developed from fungal mycelium, the vegetative part and the root structure of fungi. Mycelium has a filamentous network structure…”
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Effect of fiber orientation on the non-affine deformation of random fiber networks by Hatami-Marbini, H., Picu, R. C.

“…The study of fiber networks is essential in understanding the mechanical properties of many polymeric and biological materials. These systems deform…”
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Strain Hardening and Strain Rate Sensitivity Behaviors of Advanced High Strength Steels by Ozturk, F., Polat, A., Toros, S., Picu, R. C.

“…The mechanical properties of commercial dual phase （DP）, transformation induced plasticity （TRIP）, and high strength low alloy （HSLA-340） steel sheets are…”
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Strain rate sensitivity of thermally activated dislocation motion across fields of obstacles of different kind by Picu, R.C., Li, Renge, Xu, Zhijie

“…The thermally activated motion of dislocations across fields of randomly distributed obstacles of two types is studied. The two types have either the same…”
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Dependence of Peierls stress on lattice strains in silicon by Li, Z., Mathew, N., Picu, R.C.

“…•A resolved shear stress acting on the entire crystal promotes the instability.•The generalized γ-surface captures the instability better than the usual…”
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Toughness of network materials: Structural parameters controlling damage accumulation by Picu, R.C., Jin, S.

“…Many materials have a network of fibers as their main structural component and are referred to as network materials. Their strength and toughness are important…”
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On the functional form of non-local elasticity kernels by Picu, R.C.

“…The functional form of non-local elasticity kernels is studied within the context of the integral formalism. The study is limited to linear isotropic…”
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On the relationship between the Cottrell–Stokes law and the Haasen plot by Picu, R.C., Li, R.

“…The Cottrell–Stokes (CS) law requires that the ratio between the flow stress at two temperatures and same material structure (the CS ratio) is a function of…”
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Probing soft fibrous materials by indentation by Merson, J., Parvez, N., Picu, R.C.

“…Indentation is often used to measure the stiffness of soft materials whose main structural component is a network of filaments, such as the cellular…”
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On the superposition of flow stress contributions at finite temperatures and in the athermal limit by Picu, R.C., Li, R.

“…The functional form of the equation describing the superposition of contributions to the flow stress due to various strengthening mechanisms is analyzed…”
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