Investigating the forming limits of a flax fibre-reinforced polypropylene composite in different water treatment conditions

被引:11
|
作者
Wang, Wentian [1 ]
Lowe, Adrian [1 ]
Kalyanasundaram, Shankar [1 ]
机构
[1] Australian Natl Univ, Res Sch Engn, North Rd, Canberra, ACT 0200, Australia
关键词
Natural fibre composites; Forming limit curve; Failure in woven composites; Optical strain measurements; NATURAL FIBERS; TEMPERATURE; CURVES;
D O I
10.1007/s00170-016-8492-9
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The forming limits of natural fibre composite through stretch forming tests have been studied where hourglass samples of varying widths are formed using a hemispherical punch. This study proposes a new failure criterion which uses fibre strain and strain ratio. This new failure criterion is more effective than a conventional strain-based failure criterion in detecting failure in woven natural fibre composites as it can successfully eliminate the path dependency effect. This innovative method of examining failure can be applied to structural design of composite materials as long as their failure mechanisms are dominated by fibre fracture.
引用
收藏
页码:103 / 113
页数:11
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