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Basalt fiber reinforced plastics for high-temperature applications

Basalt fibers used as reinforcing filler in composites, make it possible to produce a variety of complex-shaped components with little effort.

The main economic advantage in this case lies in the possibility to provide required product properties and fulfill specific operational requirements at the relatively low cost of basalt raw material. Since basalt fibers melting temperature is higher than glass fillers one, it was interesting to use them as fillers to produce heat resistant plastics.

The properties of basalt fiber reinforced plastics with polyimide, epoxy, phenolic and inorganic binders were researched.  It was demonstrated that polyimide/basalt plastics retain 70% of initial flexural strength after 400 ° C exposure; epoxy/basalt and phenolic/basalt plastics retain 70-80% of their physical and mechanical properties after exposure to high humidity.

When inorganic binders are used in basalt fiber reinforced plastics, the cost of woven filler is reduced two times due to the elimination of double inorganic coating of the fibers.

I.F. Davydova, Ph.D.; N.S. Kavun, Ph.D.; E.P. Shvetsov
All-Russian Scientific-Research Institute of Aviation Materials (FSUE “VIAM” SSC of RF)

About Olga Yurchenko

Olga Yurchenko
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