纺织学报 ›› 2020, Vol. 41 ›› Issue (10): 41-45.doi: 10.13475/j.fzxb.20200204705

• 纺织工程 • 上一篇    下一篇

基于原位力学测试的织物折皱回复性表征

胡霄睿1,2, 孙丰鑫1(), 肖彩勤1, 高卫东1   

  1. 1.生态纺织教育部重点实验室(江南大学), 江苏 无锡 214122
    2.江南大学 设计学院, 江苏 无锡 214122
  • 收稿日期:2020-02-24 修回日期:2020-04-21 出版日期:2020-10-15 发布日期:2020-10-27
  • 通讯作者: 孙丰鑫
  • 作者简介:胡霄睿(1989—),女,讲师,博士。主要研究方向为纺织材料性能表征与织物视知觉理论研究。
  • 基金资助:
    国家自然科学基金项目(11802104);国家重点研发计划项目(2017YFB0309200);中国博士后基金面上项目(2019M651697);中央高校基本科研业务费资助项目(JUSRP11915);江苏省自然科学基金项目(BK20180589)

Characterization of wrinkle recovery of fabrics based on in-situ mechanical testing

HU Xiaorui1,2, SUN Fengxin1(), XIAO Caiqin1, GAO Weidong1   

  1. 1. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
    2. College of Design, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2020-02-24 Revised:2020-04-21 Online:2020-10-15 Published:2020-10-27
  • Contact: SUN Fengxin

摘要:

针对现有基于折皱回复角和外观平整度的织物折皱回复性评价方法在织物品种适应性和评价结果稳定性等方面的缺陷,提出织物折皱回复性的原位力学测试方法。通过解析原位力学测试原理,基于所测的力-位移测试曲线,提取用于表征织物折皱回复性的3个评价指标;并通过与织物折皱回复角变异系数的对比分析,说明原位力学测试方法的可靠性和稳定性好于折皱回复角法;采用相关性分析发现,折皱特征指标和织物折皱回复角在0.01水平下显著相关,表明原位力学测试方法可有效评价织物的折皱回复性能,并基于折皱特征指标构建了织物折皱回复角的多元回归模型,可用于织物折皱回复性能的全面、客观表征。

关键词: 折皱回复性, 力学测试, 评价方法, 折皱回复角, 织物形变

Abstract:

In-situ mechanical testing was proposed to evaluate the wrinkle recovery behaviour of fabrics, aiming to overcome the main shortcomings in the existing wrinkle recovery angle testing method and smoothness appearance method in terms of applicability and stability of the measurement. By interpreting the testing process and principle of in-situ mechanical test, three feature indices were extracted for characterizing wrinkle recovery behaviour of fabrics. The reliability and stability of the mechanical method was proved by comparing the significant coefficients of variation between the featured indices and wrinkle recovery angles at the 0.01 level. The correlation analysis was also carried out, and it is proved that the in-situ mechanical test is an efficient method to assess the wrinkle recovery of fabrics. In addition, multiple regression model is established, which could be useful in the comprehensive evaluation of wrinkle recovery properties objectively.

Key words: wrinkle recovery property, mechanical test, evaluation method, wrinkle recovery angle, fabric deformation

中图分类号: 

  • TS101.8

表1

织物基本规格参数"

试样编号 组织 厚度/mm 面密度/(g·m-2) 成分
1# 平纹 0.21 117 棉/粘
2# 平纹 0.22 121
3# 平纹 0.26 113
4# 平纹 0.25 122
5# 平纹 0.33 126
6# 平纹 0.40 203 涤/棉
7# 斜纹 0.49 223 毛/涤
8# 斜纹 0.76 347
9# 斜纹 0.43 194 涤/棉
10# 斜纹 0.55 256
11# 平纹 0.38 161
12# 平纹 0.26 141 涤/棉
13# 平纹 0.21 136 涤/棉
14# 斜纹 0.42 184 毛/涤
15# 斜纹 0.38 208
16# 斜纹 0.42 229
17# 斜纹 0.49 267
18# 平纹 0.45 258 涤/棉
19# 平纹 0.30 171

图1

织物保形性原位力学测试系统示意图"

图2

原位力学测试过程与主要特征阶段"

图3

原位力学测试系统典型的力-位移曲线"

表2

折皱特征指标与织物折皱回复角测试结果"

试样
编号
原位力学测试法 折皱回复角法
Dfr/mm Fwr/cN Hfr/cN AWR/(°)
1# 5.6 10.9 4.9 96.1
2# 7.5 15.9 9.1 53.4
3# 7.1 12.1 8.3 76.6
4# 8.2 16.3 12.2 52.1
5# 8.1 21.1 8.9 72.9
6# 5.2 9.9 10.7 87.4
7# 0.1 0.6 0.1 159.7
8# 3.2 7.1 5.7 92.7
9# 5.9 10.5 6.1 85.9
10# 6.5 16.2 11.1 72.4
11# 7.3 10.2 7.1 91.9
12# 6.0 22.7 12.8 63.4
13# 5.3 15.3 7.1 88.0
14# 2.6 4.7 3.7 113.5
15# 7.1 11.8 7.7 65.9
16# 8.2 26.1 18.2 35.9
17# 6.4 21.5 14.4 93.2
18# 5.9 13.3 11.8 74.7
19# 5.3 10.3 7.3 84.6

图4

折皱特征指标和折皱回复角CV值比较"

表3

折皱特征指标与折皱回复角的相关性分析"

指标 Dfr Fwr Hfr AWR
Dfr 1
Fwr 0.760** 1
Hfr 0.702** 0.875** 1
AWR -0.875** -0.773** -0.787** 1
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