This PPT gives a brief description about the materials used in aircrafts and why they are used over others.

2. • PROPERTIES:
• LIGHT WEIGHT
• HIGH RESISTANCE TO CORROSION
• HIGH STREANGTH TO WEIGHT RATIO
• MOSTLY USED IN ITS ALLOY FORM

4. • MAJOR ALLOYING ELEMENT-COPPER (5%)
CHEMCIAL COMPOSITION:
• HIGH STRENGTH TO WEIGHT RATIO
• FATIGUE RESISTANCE
MERITS:
• WINGS
• FUSELAGE
APPLICATIONS:

5. CHEMICAL COMPOSITION:
• COPPER (5%), MANGANESE(1.2%), SILICON
(1.2%)
MERITS:
• EASILY MACHINABLE
• TOUGH MATERIAL SUITABLE FOR ARC AND
RESISTANCE WELDING.
APPLICATIONS:
• INTERNAL STRUCTURE OR FRAME WORK OF
AIRCRAFT.
• Density: 2.80 g/cm3
• Ultimate tensile strength: 190 to 480 MPa

6. CHEMICAL COMPOSITION:
• MAGNESIUM (2.8%)
MERITS:
• HIGHEST STRENGTH
• HIGHLY DUCTILE
• CORRISION RESISTANT
APPLICATIONS:
• FUEL TANK ENCLOSURE
• STRUCTURES OF WING AND FUSELAGE

7. CHEMICAL
COMPOSITION:
• MAGNISIUM
(1.2%), SILICON
(0.81%)
MERITS:
• EAISLY WELDED
AND
MANIPULATED
• LIGHT AND FAIRLY
STRONG.
• CHEAPER.
APPLICATIONS:
• USED IN LIGHT
AIRCRAFTS.
• USED BY SMALL
SCALE
MANUFACTURERS.

8. •ZINC (6.1%), MAGNESIUM (2.5%), COPPER (1.6%).
CHEMICAL COMPOSITION:
•HIGH CORROSION RESISTANCE
•MAINTAINS STRENGTH EVENLY.
•RESISTANT TO FRACTURES
MERITS:
•WING SKINS
•FUSELAGE
•MILITARY AIRCRAFT BODY.
APPLICATIONS:

9. •ZINC (8.3%), MAGNESIUM (3%), COPPER(2.4%), ZIRCONIUM(0.15%).
CHEMICAL COMPOSITION:
•HIGHEST STRENGTH
•LOW MASS.
MERITS:
•MILITARY AIRCRAFT
•CONNECTING RODS
•HYDRAULIC VALVE COMPONENTS
APPLICATIONS:

10. MOST COMMOMALY USED TITANIUM ALLOY:
• TI-6AL-4V (TC4)
MERITS:
• HIGH STRENGTH TO WEIGHT RATIO
• EXECELLENT CORROSION RESISTANT
APPLICATIONS:
• GAS TURBINES-ROTORS, COMPRESSOR BLADES,
NACELLES.
• HYDRAULIC COMPONENTS