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Medientyp:
E-Artikel
Titel:
Mechanical properties of aligned long glass fiber reinforced polypropylene. I: Tensile strength
Beteiligte:
Yang, Shean‐Wei;
Chin, Wei‐kuo
Erschienen:
Wiley, 1999
Erschienen in:
Polymer Composites, 20 (1999) 2, Seite 200-206
Sprache:
Englisch
DOI:
10.1002/pc.10347
ISSN:
0272-8397;
1548-0569
Entstehung:
Anmerkungen:
Beschreibung:
AbstractLong‐fiber reinforced thermoplastic composites were made from 9 mm long glass fiber reinforced PP pellets by alternative procedures of roll‐mill and hot‐press molding. The severe problem of fiber breaking during the process could be avoided by this method. The average fiber length of this composite was ∼7 mm long. More than 80% of fibers in the composite were aligned within the 20° range. In the major fiber‐oriented direction, at 25°C, the tensile strength of this composite was 205 MPa. At elevated temperatures in the range of 25°C to 125°C, the tensile strength was inversely proportional to the temperature. The two‐parameter Weibull distribution function was used to simulate the strength distribution of the composite. Results showed that the strength distribution curve shifted from high to low as the temperature increased.