Nanoindentation of regenerated cellulose fibres

被引：0
|
作者：
Wolfgang Gindl
Johannes Konnerth
Thomas Schöberl
机构：
[1] BOKU-Vienna,Department of Materials Science and Process Engineering
[2] WOOD K PLUS,Competence Centre for Wood Composites and Wood Chemistry
[3] Austrian Academy of Sciences,Erich Schmid Institute for Materials Science
来源：
Cellulose | 2006年 / 13卷
关键词：
Elastic modulus; Hardness; Lyocell; Nanoindentation; Regenerated cellulose fibre; Viscose;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nanoindentation was performed on cross sections of regenerated cellulose fibres with different structure and properties. Same as in single-fibre tensile tests, the elastic modulus of lyocell was higher than the elastic modulus of viscose. However, in spite of its tensile strength being twice as high as viscose, the hardness of lyocell was 15% lower than viscose. The overall degree of orientation of cellulose chains being higher in lyocell than in viscose, it is proposed that reduced lateral bonding in lyocell is the reason for the low hardness measured by nanoindentation compared to viscose.
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页码：1 / 7
页数：6
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