Search Results - "Unwin, A. P"

Escaping the Ashby limit for mechanical damping/stiffness trade-off using a constrained high internal friction interfacial layer by Unwin, A. P., Hine, P. J., Ward, I. M., Fujita, M., Tanaka, E., Gusev, A. A.

“…The development of new materials with reduced noise and vibration levels is an active area of research due to concerns in various aspects of environmental…”
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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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Entanglement Coupling in Porcine Stomach Mucin by Waigh, T. A, Papagiannopoulos, A, Voice, A, Bansil, R, Unwin, A. P, Dewhurst, C. D, Turner, B, Afdhal, N

“…We present data from small angle neutron scattering (SANS) on the polyelectrolyte side chain liquid crystalline phases of porcine stomach mucin. There is a…”
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Novel 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, Andrei A

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The role of pressure annealing in improving the stiffness of polyethylene/hydroxyapatite composites by UNWIN, A. P, WARD, I. M, WENG, J, UKLEJA, P

“…The effect of the combination of pressure annealing and subsequent hydrostatic extrusion on some mechanical properties of composites of hydroxyapatite in a…”
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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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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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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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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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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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The structure and mechanical properties of syndiotactic polypropylene by SAKATA, Y, UNWIN, A. P, WARD, I. M

“…The drawing behaviour of several syndiotactic polypropylenes is examined as a function of molecular weight and initial morphology. It is found that these…”
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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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Application of a necking criterion to PET fibers in tension by Sweeney, J., Shirataki, H., Unwin, A. P., Ward, I. M.

“…A criterion to predict instability in rate‐dependent materials is developed. It is implemented for PET fibers in tension at three temperatures: 60, 75, and…”
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Suppression of necking in polyethylene by Unwin, A. P., Duckett, R. A., Ward, I. M., Collins, T. L. D., Sweeney, J., Coates, P. D.

“…The deformation behavior of a particular grade of high‐density polyethylene prepared in a number of different ways has been examined. The samples all have an…”
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A comparison of the dynamic mechanical relaxation behavior of linear low- and high-density polyethylenes by Matthews, R. G., Unwin, A. P., Ward, I. M., Capaccio, G.

“…The mechanical relaxation behaviors of oriented samples of a linear low-density polyethylene (LLDPE) and a high-density polyethylene (HDPE) were studied using…”
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Temperature and strain rate dependence of yield strain and deformation behavior in polyethylene by Brooks, N. W., Unwin, A. P., Duckett, R. A., Ward, I. M.

“…The deformation behavior of a range of polyethylene materials which differ with respect to both their short‐chain branch content and molecular weight has been…”
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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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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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The effect of molecular weight on the deformation behaviour of pressure annealed polyethylene by MAXWELL, A. S, UNWIN, A. P, WARD, I. M, ABO EL MAATY, M. I, SHAHIN, M. M, OLLEY, R. H, BASSETT, D. C

“…The deformation behaviour of four different grades of polyethylene has been examined as a function of the morphology produced by pressure annealing in 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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