杨可;王朝晖;

• 1:东华大学服装与艺术设计学院
• 2:东华大学现代服装设计与技术教育部重点实验室

摘要(Abstract)：

为解决针织物因其各向异性,传统泊松比测定方法不适用的问题,结合数字图像相关法对针织物进行单轴拉伸测试,提出了一种以纬平针织物试样整体作为研究对象且在其较大形变下测试其泊松比的方法。实验选取3种纬平针织物,首先录制试样单轴拉伸的整个过程,导出每1帧图像,将图像转化为灰度图后,在MatLab软件中用数字图像相关法进行位移分析,用SPSS软件对载荷方向拉伸的计算值与实际拉伸值进行t检验,验证了可行性,计算所得泊松比在正常取值范围内,避免了织物颈缩问题,且每秒可提取30帧图片进行位移分析,提高了精度,为研究针织物的泊松比提供新思路。

关键词(KeyWords)： 针织物;泊松比;单轴拉伸;数字图像相关法

Abstract:

Keywords:

基金项目(Foundation): 中央高校基本科研业务费专项资金(2232020G-08)

作者(Authors): 杨可;王朝晖;

DOI: 10.19333/j.mfkj.20200303306

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