Search Results - "Unwin, A.P."

Novel phase separated multi-phase materials combining high viscoelastic loss and high stiffness by Unwin, A.P., Hine, P.J., Ward, I.M., Fujita, M., Tanaka, E., Gusev, A.A.

“…In a previous study we showed that a unique combination of high stiffness and high viscoelastic loss could be achieved by filling a polystyrene matrix with…”
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The use of an interleaved film for optimising the properties of hot compacted polyethylene single polymer composites by Hine, P.J., Unwin, A.P., Ward, I.M.

“…It is shown that the incorporation of interleaved films has major advantages for the production of polyethylene single polymer composites by the process of…”
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Optimal design and manufacture of thin-walled polystyrene structures by Unwin, A.P., Ward, I.M., Ugail, H., Bloor, M.I.G., Wilson, M.J.

“…In this study, we investigated the implementation of an automatic procedure for optimizing thermoformed thin‐walled structures. Such objects are created in…”
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Predicting the visco-elastic properties of polystyrene/SIS composite blends using simple analytical micromechanics models by Unwin, A.P., Hine, P.J., Ward, I.M., Guseva, O.A., Schweizer, T., Fujita, M., Tanaka, E., Gusev, A.A.

“…This paper is concerned with the prediction of the viscoelastic properties of rubber filled polymer blends. The question asked was as follows. Can the…”
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The effect of high pressure annealing on the molecular network in polyethylene by Maxwell, A.S., Unwin, A.P., Ward, I.M.

“…The changes in the molecular network of several grades of polyethylene subjected to high pressure annealing are followed using a simple model which combines…”
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The mechanical behaviour of oriented high-pressure annealed polyethylene by Maxwell, A.S., Unwin, A.P., Ward, I.M.

“…Four different grades of polyethylene have been annealed under high pressures, to transform the morphology, and then oriented by hydrostatic extrusion. The…”
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Effects of morphology on the yield stress of polyethylene by BROOKS, N. W, GHAZALI, M, DUCKETT, R. A, UNWIN, A. P, WARD, I. M

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On the influence of initial morphology on the internal structure of highly drawn polyethylene by Amornsakchai, T, Olley, R.H, Bassett, D.C, Al-Hussein, M.O.M, Unwin, A.P, Ward, I.M

“…Morphological investigations on a range of polyethylenes, which differ with respect to their molecular weight characteristics and which possess quite…”
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Application of a large deformation model to unstable tensile stretching of polyethylene by Sweeney, J., Collins, T.L.D., Coates, P.D., Unwin, A.P., Duckett, R.A., Ward, I.M.

“…A large deformation, rate dependent model is applied to high temperature stretching of polyethylene. The theory is physically motivated, consisting of a model…”
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Remnant morphologies in highly-drawn polyethylene after annealing by Amornsakchai, T., Bassett, D.C., Olley, R.H., Unwin, A.P., Ward, I.M.

“…Specimens of the polyethylene Sclair 2907, full of large banded spherulites, have been drawn to high extensions, and parts of these annealed close to their…”
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Strain Inhomogeneities in Highly Oriented Gel-Spun Polyethylene by Amornsakchai, T, Unwin, A. P, Ward, I. M, Batchelder, D. N

“…The nature of the stress/strain distribution in a highly oriented gel-spun polyethylene under stress has been examined using several techniques. X-ray…”
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Morphological changes in pressure annealed polyethylene by SHAHIN, M. M, OLLEY, R. H, BASSETT, D. C, MAXWELL, A. S, UNWIN, A. P, WARD, I. M

“…Polyethylene samples have been annealed under high pressures in order to transform the morphology and thereby make specimens, which on subsequent orientation…”
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The elastic properties of crystalline syndiotactic polypropylene by Sakata, Y., Unwin, A.P., Nicholson, T.M., Ward, I.M.

“…The single crystal stiffness constants of different structures of syndiotactic polypropylene have been calculated using a molecular modelling package. These…”
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