which metal is used in aeroplanes?
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titanium
Titanium is almost as strong as steel, has a medium weight, is heat resistant, and is corrosion resistant.
Titanium is almost as strong as steel, has a medium weight, is heat resistant, and is corrosion resistant.
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There are different metals used for different type of aircrafts, generally aircraft grade aluminium is used which is an alloy and not pure aluminum specifically 7075 T6 it has Copper (1.6 %), Magnesium (2.5 %) and zinc(5.6 %) added for ultimate strength, but the copper content makes it very difficult to weld. This type of aluminium is commonly used to construct body frame. For other parts such as turbine blades different alloys of metals are used.
Titanium and its alloys are also used aircrafts, it has high strength and high resistance to corrosion but expensive compared to aluminium.
High strength composites are replacing these because of their light weight and better properties.
Different parts use different alloys of metal according to their properties and area of use eg:
Fan: Aluminum, titanium, or stainless steel
Compressor: Nickel-, cobalt-, or iron-based alloys. Additive are aluminum and/or titanium, chromium, as well as rare earth elements like yttrium.
Combustion chamber: Superalloys with refractory metals such as tungsten, molybdenum, niobium, tantalum. Ceramics and ceramic-metal mixes.
Turbine: Nickel-based superalloy, outside air is circulated through channels inside of the turbine blades. For lower pressure turbine blades iron-based superalloy or even stainless steel. The metals used for turbine blades are often grown as a single crystal.
Exhaust nozzle: Nickel Inconel and stainless steel alloys.
Casing: Aluminum or polymer matrix materials.
Titanium and its alloys are also used aircrafts, it has high strength and high resistance to corrosion but expensive compared to aluminium.
High strength composites are replacing these because of their light weight and better properties.
Different parts use different alloys of metal according to their properties and area of use eg:
Fan: Aluminum, titanium, or stainless steel
Compressor: Nickel-, cobalt-, or iron-based alloys. Additive are aluminum and/or titanium, chromium, as well as rare earth elements like yttrium.
Combustion chamber: Superalloys with refractory metals such as tungsten, molybdenum, niobium, tantalum. Ceramics and ceramic-metal mixes.
Turbine: Nickel-based superalloy, outside air is circulated through channels inside of the turbine blades. For lower pressure turbine blades iron-based superalloy or even stainless steel. The metals used for turbine blades are often grown as a single crystal.
Exhaust nozzle: Nickel Inconel and stainless steel alloys.
Casing: Aluminum or polymer matrix materials.
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