ARB PPT on natural fiber reinforced composites

NFRC's

1. NATURAL FIBRES

2. ADVANTAGES OF USING NATURAL FIBRE Obtained from Renewable Sources Requires little energy during production Recyclable Environmentally friendly during stages of production, processing and waste disposal Light Weight Producible with low investment at low cost Acceptable Specific Strength Properties Better Wear Protection Good thermal and acoustic insulating properties

3. DISADVANTAGES OF USING NATURAL FIBRE Moisture absorption , which causes swelling of the fibres. These are UV-sensitive . Lower durability . Low impact strength . Fibre degradation during processing.

4. S ome Natural Fibres and their Applications in Composites 1. Flax 2. Hemp 3. Jute 4. Coir 5. Asbestos

5. FLAX 1 Flax is an annual crop for multipurpose use: fibre and oil production, non-textile applications like in composites. The relevant part for fibre production is the stem . The stem has a length which goes from 600 to 1000 mm. For composite use, the length of 10 to 20 mm is sufficient. For the industrial use, the non-retted stems are dominantly mechanically decorticated.