Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Abstract Failure in tension of all thermoplastic polymers involves the formation of a craze through which a crack then grows. Crazes are most evident in glassy polymers (i.e. amorphous polymers below their glass transition temperature). They are an intermediate stage between yielding and fracture.Crazes may be observed visually as a whitening of the polymer which occurs under stress. This whitening is caused by multiple reflections of light from the polymer/void interfaces in the crazes. Crazes form perpendicular to the applied stress and consist of regions of polymer in which an incipient crack is bridged by highly orientated material in a direction perpendicular to the direction of the crack. A schematic of a craze is illustrated in Figure 1.
Abstract Failure in tension of all thermoplastic polymers involves the formation of a craze through which a crack then grows. Crazes are most evident in glassy polymers (i.e. amorphous polymers below their glass transition temperature). They are an intermediate stage between yielding and fracture.Crazes may be observed visually as a whitening of the polymer which occurs under stress. This whitening is caused by multiple reflections of light from the polymer/void interfaces in the crazes. Crazes form perpendicular to the applied stress and consist of regions of polymer in which an incipient crack is bridged by highly orientated material in a direction perpendicular to the direction of the crack. A schematic of a craze is illustrated in Figure 1.
Crazing
Swallowe, G. M. (Autor:in)
01.01.1999
4 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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