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Mechanical properties of solid polymers
TLDR
A concise, self-contained introduction to solid polymers, the mechanics of their behavior and molecular and structural interpretations can be found in this article, which provides extended coverage of recent developments in rubber elasticity, relaxation transitions, non-linear viscoelastic behavior, anisotropic mechanical behavior, yield behavior of polymers and other fields.Abstract:
A concise, self-contained introduction to solid polymers, the mechanics of their behavior and molecular and structural interpretations. This updated edition provides extended coverage of recent developments in rubber elasticity, relaxation transitions, non-linear viscoelastic behavior, anisotropic mechanical behavior, yield behavior of polymers, breaking phenomena, and other fields.read more
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Measuring the elastic properties of high-modulus fibres
Peter Hine,I. M. Ward +1 more
TL;DR: In this paper, the elastic constants of several highly oriented thermoplastic polymer fibres are measured using an ultrasonic immersion technique and compared with other oriented polymer materials to assess any similarities in elastic anisotropy between different methods for producing fibre orientation.
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Determination of critical molecular weight for entangled macromolecules using the tensile strength data
TL;DR: In this paper, the critical molecular weight for entanglements in polystyrene (PS) and polycarbonate (PC) has been calculated from the following relationship:A=Kσ∞Mc whereA and σ∞ are parameters of the extended Flory equation for the tensile strength, and the constantK = 2 is assumed for linear polymers.
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Mechanical and rheological behavior of pNIPAAM crosslinked macrohydrogel
Gian Luigi Puleo,Fabio Zulli,Matteo Piovanelli,Matteo Piovanelli,Marco Giordano,Barbara Mazzolai,Lucia Beccai,Laura Andreozzi +7 more
TL;DR: In this paper, the most common reticulated N-isopropylacrylamide (pNIPAAM) macrohydrogel was investigated for both its mechanical response and shear rheological behavior in time and frequency domains.
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Real-time Raman spectroscopy measurements to study the uniaxial tension of isotactic polypropylene: a global overview of microstructural deformation mechanisms
TL;DR: In this article, the main deformation micromechanisms of isotactic polypropylene uniaxially stretched at constant temperature (T = 30°C) under a constant true strain rate ( = 5.10−3µs−1).
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Thermo-mechanical coupling and self-excited oscillation in the neck propagation of PET films
Akihiko Toda,Chiyoko Tomita,Masamichi Hikosaka,Yu Hibino,Hideki Miyaji,Chisato Nonomura,Toshitake Suzuki,Hideaki Ishihara +7 more
TL;DR: In this paper, the self-excited oscillation of neck propagation during cold drawing of polymer films has been examined experimentally and the temperature rise was up to 80°C (>Tg) and explains the occurrence of crystallization for faster drawing rates.
References
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The Determination of the Elastic Field of an Ellipsoidal Inclusion, and Related Problems
TL;DR: In this paper, it is shown that to answer several questions of physical or engineering interest, it is necessary to know only the relatively simple elastic field inside the ellipsoid.
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The Phenomena of Rupture and Flow in Solids
TL;DR: In this article, the authors investigated the effect of surface scratches on the mechanical strength of solids, and some general conclusions were reached which appear to have a direct bearing on the problem of rupture, from an engineering standpoint, and also on the larger question of the nature of intermolecular cohesion.
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Yielding of steel sheets containing slits
TL;DR: In this article, a relation between extent of plastic yielding and external load applied was investigated, and panels containing internal and edge slits were loaded in tension and lengths of plastic zones were measured.
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