Fiber-reinforced composite materials
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
Jun 16, 1999
filing date -
Jun 16, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a plate-like carbon fiber-reinforced composite material comprising carbon fibers, wherein that the carbon fibers have a strain at compressive break of 1.7 to 5%, a tensile elastic modulus of 5 to 160 GPa, and a density of 1.5 to 1.9 g/cm.sup.3 and further in that the composite comprising said carbon fibers cause no delamination by an impact energy of less than 1.4 J/mm in the test of compression after impact in accordance with JIS K 7089.
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