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You searched on: Author: jack douglas Sorted by: title

Displaying records 1 to 10 of 234 records.
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1. Breakup of a Fluid Thread in a Confined Geometry: Droplet-Plug Transition Perturbation Sensitivity and Kinetic Stabilization with Confinement
Published: 5/26/2004
Authors: John G Hagedorn, Nicos Martys, Jack F Douglas
Abstract: The breakup of a fluid thread surrounded by another Newtonian fluid in a coaxial tube in the absence of imposed flow is investigated using the Lattice Boltzmann (LB) model. We observe a confinement-induced transition between spherical droplets to p ...

2. A Broad Perspective on the Dynamics of Highly Confined Polymer Films
Published: 1/1/2002
Authors: Christopher L Soles, Jack F Douglas, Wen-Li Wu, H Peng, D W Gidley
Abstract: The manner in which the dynamics of a polymer are affected by thin film confinement is of technological significance, impacting thin film applications such as lubricants, adhesives, and chemically amplified photoresists. In this manuscript we use sp ...

3. A General Mechanism of Polycrystalline Growth
Published: 1/1/2004
Authors: L Granasy, T Pusztai, T Borzsonyi, James A Warren, Jack F Douglas

4. A High Throughput Approach to Crystallization in Thin Films: of Isotactic Polystyrene
Published: 1/1/2001
Authors: Kathryn L Beers, Jack F Douglas, Eric J. Amis, Alamgir Karim

5. A Hybrid Finite Element-Analytical Method For Determining the Intrinsic Elastic Moduli of Particles Having Moderately Extended Shapes and a Wide Rande of Elastic Properties
Published: 8/1/2006
Authors: Edward Joseph Garboczi, Jack F Douglas, Howard Hung
Abstract: The presence of a low (dilute) concentration of paniculate inclusions having any shape and any property mismatch with the matrix in which they are placed, influences the elasticity of the resulting composite material. This influence is via the intrin ...

6. Amorphous Solidification in Polymer-Platelet Nanocomposites
Published: 12/1/2002
Authors: S Salaniwal, S K Kumar, Jack F Douglas
Abstract: Computer simulations are used to understand the molecular basis of mechanical reinforcement of platelet-filled polymers when the polymer and nanofiller interact attractively. With decreasing temperature, there is increasing aggregation between chains ...

7. Atomic Force Microscopy Studies of Phase Ordering in Polymer Blends and Clay-Filled Systems
Published: 8/1/2000
Authors: V Ferreiro, Jack F Douglas, Alamgir Karim, G Coulon
Abstract: Many industrial applications require a control of the morphology of thin polymer films. The morphology of thin polymer films depends on many factors : method of formation, tendency of film components to mix or dewet, the crystallization of film comp ...

8. Atomic Motion During the Migration of General [001] Tilt Grain Boundaries in Ni
Published: 8/24/2007
Authors: Hao Zhang, David J Srolovitz, Jack F Douglas, James A Warren
Abstract: We generalize a previous study of the atomic motions governing grain boundary migration to consider arbitrary misorientations of [001] tilt boundaries. Our examination of the nature of atomic motions employed three statistical measures: the non-Gau ...

9. Beyond Flory-Huggins Theory: New Classes of Blend Miscibility Associated With Monomer Structural Asymmetry
Published: 3/1/2002
Authors: J Dudowicz, Karl Freed, Jack F Douglas
Abstract: Flory-Huggins (FH) theory is restricted to polymer mixtures whose monomers are structurally identical- a situation limited to isotopic blends and computer simulations. We systematically investigate the influence of monomer structure on blend miscibil ...

10. Block Copolymer Ordering With a Spatiotemporally Inhomogeneous Mobility
Published: 11/20/2007
Authors: August W. Bosse, Jack F Douglas, Brian Berry, Ronald Leland Jones, Alamgir Karim
Abstract: Motivated by recent measurements of zone annealing in block copolymer films at low temperatures, we implement a spatiotemporal mobility gradient with intrinsic variations associated with dynamic heterogeneities in the saddle point relaxation of a dib ...

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