Search Results - "Argon, A S"

Strain avalanches in plasticity by Argon, A.S.

“…Plastic deformation at the mechanism level in all solids occurs in the form of discrete thermally activated individual stress relaxation events. While there…”
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Craze initiation in glassy polymers – Revisited by Argon, A.S.

“…In spite of the continued interest in the yield, flow and fracture behavior of glassy homopolymers and the important role that crazing plays in their ultimate…”
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Nanocrystallization during Nanoindentation of a Bulk Amorphous Metal Alloy at Room Temperature by J.-J. Kim, Choi, Y., Suresh, S., Argon, A. S.

“…It is known that nanocrystallites can form in shear bands produced during severe bending or high-energy ball milling of thin ribbons of a metallic glass. We…”
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Toughenability of polymers by Argon, A.S., Cohen, R.E.

“…We demonstrate that all solid polymers are intrinsically brittle and will undergo a ductile to brittle fracture transition based on the nature of their bonding…”
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Superhard nanocomposites: Origin of hardness enhancement, properties and applications by Veprek, S., Zhang, R.F., Veprek-Heijman, M.G.J., Sheng, S.H., Argon, A.S.

“…The original finding of Veprek et al. that in nc-TiN/a-Si 3N 4 and in nc-TiN/a-Si 3N 4/TiSi 2 nanocomposites, deposited under conditions which allow complete…”
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The strongest size by Argon, A. S., Yip, S.

“…The well known break-down of the Hall-Petch effect of the rise of the plastic resistance with decreasing grain size in polycrystalline metals, when the grain…”
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Plastic deformation of polyethylene crystals as a function of crystal thickness and compression rate by Kazmierczak, T., Galeski, A., Argon, A.S.

“…Plastic deformation of polyethylene (PE) samples with crystals of various thickness was studied during uniaxial compression with initial compressive strain…”
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Toughening of isotactic polypropylene with CaCO3 particles by THIO, Y. S, ARGON, A. S, COHEN, R. E, WEINBERG, M

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Role of interfacial adhesion strength on toughening polypropylene with rigid particles by Thio, Y.S., Argon, A.S., Cohen, R.E.

“…The effects of interfacial adhesion strength on the mechanical properties of composites of polypropylene and glass particles were investigated. The 3.5 μm…”
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Rate mechanisms of plasticity in semi-crystalline polyethylene by Argon, A.S., Galeski, A., Kazmierczak, T.

“…Based on our experiments on polyethylene where we have observed a constant level of plastic resistance, independent of lamella thickness exceeding 40 nm, we…”
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What Can Plasticity of Amorphous Silicon Tell Us about Plasticity of Metallic Glasses? by Argon, A.S., Demkowicz, M.J.

“…In a recent set of computer simulations, we have analyzed the atomic-level kinematics and kinetics of the plastic relaxations that constitute shear…”
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The transition from localized to homogeneous plasticity during nanoindentation of an amorphous metal by Schuh, C. A., Argon, A. S., Nieh, T. G., Wadsworth, J.

“…Using nanoindentation, we examine the fundamental nature of plasticity in a bulk amorphous metal. We find that the mechanics of plasticity depend strongly on…”
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Structure and plastic deformation of polyethylene by LIN, L, ARGON, A. S

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Origin of the hardness enhancement in superhard nc-TiN/a-Si3N4 and ultrahard nc-TiN/a-Si3N4/TiSi2 nanocomposites by Veprek, S., Argon, A. S., Zhang, R. F.

“…The ideal shear strengths of a variety of TiN/SiN x /TiN interfaces have been calculated with the ab initio density functional theory. Using these data, the…”
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Toughness mechanism in semi-crystalline polymer blends: II. High-density polyethylene toughened with calcium carbonate filler particles by Bartczak, Z, Argon, A.S, Cohen, R.E, Weinberg, M

“…Here we extend the investigation described in the preceding companion communication. To rectify its notch brittleness, high-density polyethylene (HDPE) was…”
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Design of ultrahard materials: Go nano by Veprek, S., Argon, A.S., Zhang, R.F.

“…Intrinsically super- (H ∼ 40-70 GPa) and ultrahard (H ≥ 70 GPa) materials attain high hardness through their large intrinsic strength, whereas extrinsically…”
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Simulation of plasticity in nanocrystalline silicon by Demkowicz, M. J., Argon, A. S., Farkas, D., Frary, M.

“…Molecular dynamics investigation of plasticity in a model nanocrystalline silicon system demonstrates that inelastic deformation localizes in intergranular…”
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Cleavage cracking resistance of high angle grain boundaries in Fe–3%Si alloy by Qiao, Y, Argon, A.S

“…High angle grain boundaries in steel offer an important resistance to the propagation of cleavage cracks that affects the fracture toughness and can modulate…”
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Atomistic simulation and analysis of plasticity in amorphous silicon by Argon, A. S., Demkowicz, M. J.

“…The principal findings of a comprehensive computational simulation of plastic flow in amorphous Si - presented elsewhere in detail - are summarized. The unit…”
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Cleavage crack-growth-resistance of grain boundaries in polycrystalline Fe–2%Si alloy: experiments and modeling by Qiao, Y, Argon, A.S

“…Experiments were carried out on the modes of advance of cleavage cracking through a field of randomly oriented grains at −30 °C in the pure cleavage range…”
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