Modulated-temperature thermomechanical analysis

被引：0
|
作者：
D. M. Price
机构：
[1] Courtaulds Plc,
来源：
Journal of Thermal Analysis and Calorimetry | 1998年 / 51卷
关键词：
modulated-temperature TMA; orientation; shrinkage; thermal expansion;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By employing a ‘modulated-temperature’ heating programme composed of a series of heat-isotherm stages, it is possible to separate the change in dimensions of an oriented material during heating into two contributions: a thermally ‘reversing’ component which is due to linear thermal expansion and a ‘non-reversing’ part arising from relaxation to the disordered state on heating aboveTg. Some preliminary results for biaxially drawn poly(ethylene terephthalate) film are presented.
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页码：231 / 236
页数：5
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