Carbon Fibre is one of the most recent developments in the field of composite materials and is one of the strongest fibers known to man. It is usually the first choice of fibre if something very strong and very light is required. Carbon fibre was originally developed in space technology, but has now been adopted in many other areas of manufacture. Racing car monocoques and aeroplane wings are usually constructed of carbon fibre. With the decrease in its cost over recent years, it is fast becoming one of the leading materials in many areas, including performance sport equipment, transport, scientific experiments and even wallets and watches.

1. Presented By:- Amal Ray
Roll No:-02
Stream:-MTT
GUIDED BY-Sajal Burman
GETTS, Serampore

2. INTRODUCTION
Carbon Fibre is one of the most recent developments in the
field of composite materials and is one of the strongest fibers known
to man. It is usually the first choice of fibre if something very strong
and very light is required.
Carbon fibre was originally developed in space technology, but
has now been adopted in many other areas of manufacture. Racing
car monocoques and aeroplane wings are usually constructed of
carbon fibre.
With the decrease in its cost over recent years, it is fast
becoming one of the leading materials in many areas, including
performance sport equipment, transport, scientific experiments and
even wallets and watches.

3. Precursors of carbon fibre
 The two most important precursors in the carbon fibre industry are
polyacrylonitrile (PAN) and mesophase pitch (MP).There is also a
precursor i.e rayon.
 The structure and composition of the precursor affect the properties
of the resultant carbon fibres significantly. Although the essential
processes for carbon fibre production are similar, different precursors
require different processing conditions in order to achieve improved
performance.

4. PROPERTIES OF CARBON FIBRE
 high tensile strength
 low density
 high thermal and chemical stabilities
 excellent creep resistance.
 Resistance to corrosion and fire
 High stress tolerance levels
 electrically and thermally conductive
 Chemical inertness
 very hard and brittle
 high abrasion and wear resistance

5. PROPERTIES OF CARBON FIBRE WITH
RESPECT TO STEEL
TENSILE
STRENGTH
DENSITY SPECIFIC
STRENGTH
CARBON
FIBRE
3.50 1.75 2.00
STEEL 1.30 7.90 0.17
Carbon fibre has a tensile strength almost 3 times greater than that of
steel, yet is 4.5 times less dense.

6. APPLICATIONS OF CARBON FIBRE
 Aerospace and aircraft industry
 Sports equipment
 Automotive parts
 Small consumer goods like laptops, watches etc.
 Air filtration
 Fishing rods and tripods
 Acoustics
 As a microelectrode in extracellular recording .

7.  Perhaps nowhere is the need to save weight greater than in the
aerospace industry. Early growth of the carbon fibre industry was driven
almost exclusively by the desire for higher performance aircraft made
possible with carbon fibre composites. Today, carbon fibre is used on
aircraft for primary and secondary structures. Use is growing, having
already established a strong track record in primary structures on military
aircraft. All of these applications use carbon fibre for its high specific
strength and specific stiffness.
 Satellites incorporate very high modulus pitch-based carbon fibres, partly
for the high stiffness-to-weight ratios and partly for their negative axial
coefficient of thermal expansion.
Aerospace

8.  Golf club shafts are presently the largest sporting goods application for
carbon fibers. Lighter weight and higher stiffness shafts, made possible
with carbon fiber.
 Most racquets for tennis, racquetball, and squash are made from
prepregged carbon fiber that is sheeted, wrapped around a bladder, and
cured.
 Skis and bicycle components tend to use fabrics made from carbon fiber.
Sporting Goods

9.  Large volumes of milled and chopped carbon fiber are used to impart
static dissipating properties to trays for processing semiconductors and
for computer printer and copier machine parts.
 The carbon fiber is used for its electrical conductivity and ability to
provide lightweight reinforcement to thermoplastics.
 Carbon fiber drive shafts and couplings have replaced steel shafts for
cooling towers and many other torque-transmitting applications.
 The desire for faster processing in the papermaking and film casting
industry has encouraged growth of carbon composite rollers, which spin
faster and have less deflection than steel rollers.
 Speed and precision are also drivers for weaving machine components,
such as rapiers, that are made from pultruded carbon composite shapes.
 Depletion of shallow water oil fields and the move into deeper water has
raised oil company interest in carbon composites.
 Unlike glass fiber, carbon composite rods are inert to alkaline attack and
corrosion and satisfy the increased useful life requirement imposed by
many municipalities for infrastructure projects.
Commercial and Industrial Applications

10. Commercial and Industrial goods made of carbon fibre

11.  Carbon fiber fishing rods are favored by fisherman for their
lightweight and sensitive touch. The rods are manufactured via a roll-
wrapping process similar to golf shafts, using unidirectional prepreg.
Fishing rods

12. Conclusion
 Carbon Fibre is now an engineering material that must be
designed, engineered and manufactured to the same standards of
precision and quality control as any other engineering material.
Carbon fibre thus has revolutionized the field of light weight
materials. This can be used as a substitute for steel without the most
of latter’s difficulties like high weight, lack of corrosion resistance etc.
This is thus one of the future manufacturing materials

13. References
 R. Bacon and M.M. Tang, Carbonization of Cellulose Fibers I,
Carbon, Vol 2, 1964, p 211
 K. Shariq, E. Anderson, and M. Yamaki, “Carbon Fibers,” Chemical
Economics Handbook Market Research Report, SRI International,
Menlo Park, CA, July 1999
 www.faadooengineers.com/carbon fibre.
 www.mdpi.com/journal/materials Review Fabrication and Properties
of Carbon Fibers , Xiaosong Huang
 Kadla, J.F.; Kubo, S.; Venditti, R.A.; Gilbert, R.D.; Compere, A.L.;
Griffith, W. Lignin-based carbon fibers for composite fiber application.
Carbon 2002, 40, 2913–2920.

14. THANK YOU