期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 43, 期 1, 页码 79-86出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2011.09.014
关键词
Carbon fibres; Recycling; Yarn; Mechanical properties
资金
- Technology Strategy Board (Fibre Cycle) [GR/R80605/01]
- Tilsatec Ltd.
- Advanced Composites Group Ltd. (UK)
- Recycled Carbon Fibre Ltd.
- NetComposites
- Exel Composites (UK)
- Sigmatex (UK)
Comingled carbon fibre (CF)/polypropylene (PP) yarns were produced from chopped recycled carbon fibres (reCF) (20 mm in length, 7-8 mu m diameter) blended with matrix polypropylene staple fibres (60 mm in length, 28 mu m diameter) using a modified carding and wrap spinning process. Microscopic analysis showed that more than 90% of the reCF were aligned along the yarn axis. Thermoplastic composite test specimens fabricated from the wrap-spun yarns had 15-27.7% reCF volume content. Similar to the yarn, greater than 90% of the reCF comprising each composite sample made, showed a parallel alignment with the axis of the test specimens. The average values obtained for tensile, and flexural strengths were 160 MPa and 154 MPa, respectively for composite specimens containing 27.7% reCF by volume. It was concluded that with such mechanical properties, thermoplastic composites made from recycled CF could be used as low cost materials for many non-structural applications. (C) 2011 Elsevier Ltd. All rights reserved.
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