Optical measurement of deformation of paper under tensile load

被引：2
|
作者：
Post, Paul-Philipp [1 ]
Berger, Christian [1 ]
Villforth, Klaus [1 ]
Schaffrath, Heinz-Joachim [1 ]
Schabel, Samuel [1 ]
机构：
[1] Tech Univ Darmstadt, Chair Paper Technol & Mech Proc Engn PMV, D-64293 Darmstadt, Germany
来源：
NORDIC PULP & PAPER RESEARCH JOURNAL | 2012年 / 27卷 / 02期
关键词：
Poisson's ratio; Auxetic material behavior; Mechanical properties; Paper; Thickness; Lateral contraction; ORTHOTROPIC ELASTIC-CONSTANTS; RATIOS;
D O I：
10.3183/NPPRJ-2012-27-02-p313-317
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
A test method for simultaneous contactless measurement of lateral contraction and change in thickness of paper in tensile testing is presented. All the investigated paper samples showed transverse shrinkage as well as an increase in thickness during loading. Consequently, in-plane Poisson's ratios for different tested papers were positive, whereas Poisson's ratios in thickness direction had negative values. In general, the transverse shrinkage proved to be detectable while the resolution and accuracy of the thickness determination in some cases still requires optimization.
引用
收藏
页码：313 / 317
页数：5
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