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Experimentation and Research of Polyfluortetraethylene Constriction and Flexure Deformation at Low Temperature
Author(s): 
Pages: 33-34,42
Year: Issue:  1
Journal: HYDRAULICS PNEUMATICS & SEALS

Keyword:  低温收缩挠曲聚四氟乙烯;
Abstract: 为了考查聚四氟乙烯用做密封材料时的低温性能,在-40至-100℃的温度范围内,分别对板状和管状试件的收缩以及板状试件的挠曲进行了测定.结果表明尺寸变化率与温度相关,在相国的温度下直径变化率大于长度尺寸收缩率,而挠曲变形较小,为工程设计提供了必要的数据.
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