期刊
COMPOSITES PART B-ENGINEERING
卷 65, 期 -, 页码 17-25出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2014.01.027
关键词
Glass fibres; Fatigue; Injection moulding; Hysteresis energy
资金
- Electrolux Spa (Porcia-Italy) [AD 1400/2012/CA 125]
In this paper the hysteresis energy density per cycle was considered as fatigue damage index to rationalise in a single scatter band the fatigue behaviour of short glass fibre reinforced polypropylene (30 wt% 1-mm-long glass fibre), long glass fibre reinforced polypropylene (30 wt% 10-mm-long glass fibre) and 42 wt% calcium carbonate filled polypropylene. Moreover the nature of such a mechanical energy was investigated to establish to which extent dissipation is due to creep strains and it was found that hysteresis energy dissipated in a unit volume of material per cycle due to visco-elasticity is negligible with respect to the total hysteresis energy. (C) 2014 Elsevier Ltd. All rights reserved.
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