Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8187
Title: A novel plied yarn structure with negative Poisson’s ratio
Authors: Ge, Z
Hu, H 
Liu, S
Keywords: Deformation mechanism
Geometrical analysis
Negative Poisson’s ratio
Plied yarn structure
Issue Date: 2015
Publisher: Routledge, Taylor & Francis Group
Source: Journal of the Textile Institute, 2015 How to cite?
Journal: Journal of the Textile Institute 
Abstract: This article presents an experimental and geometrical study of a novel kind of plied yarn structure with negative Poisson’s ratio (NPR). The deformation mechanism of the yarn structure formed with two stiff yarns and two soft yarns to achieve NPR behavior was firstly introduced. Based on the proposed yarn structure, four kinds of yarn samples were then fabricated with two kinds of stiff yarns and two types of soft yarns and tested under the axial extension to verify their auxetic or NPR effect. A geometric analysis was finally conducted to theoretically calculate the Poisson’s ratio of the yarn structure and compared with the experimental results. The study shows that the proposed yarn structure has obvious NPR effect and the geometrical analysis can well predict its Poisson’s ratio in the higher axial strain range. It is expected that this study could promote further development of auxetic textiles with unusual behavior.
URI: http://hdl.handle.net/10397/8187
ISSN: 0040-5000
EISSN: 1754-2340
DOI: 10.1080/00405000.2015.1049069
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