Negative Poisson's ratio polyester fibers

被引：72

作者：

Ravirala, Naveen ^{[1
]}

Alderson, Kim L. ^{[1
]}

Davies, Philip J. ^{[1
]}

Simkins, Virginia R. ^{[1
]}

Alderson, Andrew ^{[1
]}

机构：

[1] Univ Bolton, Ctr Mat Res & Innovat, Bolton BL3 5AB, England

来源：

TEXTILE RESEARCH JOURNAL | 2006年 / 76卷 / 07期

关键词：

auxetic; negative Poisson's ratio; polyester fiber; videoextensometry;

D O I：

10.1177/0040517506065255

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

Auxetic materials are referred to as those having negative Poisson's ratio (v). Initial work at Bolton successfully fabricated auxetic polypropylene. fiber using a novel thermal melt-spinning technique. This paper reports in detail both the methods and principles involved in screening polyester powder and also the manufacturing method for successful production of auxetic polyester fibers. Videoextensometry along with micro-tensile testing were used to measure the Poisson's ratio of the fiber. The Poisson's ratio of the polyester fiber was found to vary between -0.65 and -0.75.

引用

页码：540 / 546

页数：7

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