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Aerospace Materials
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Aluminum Alloys
Lightweight, good strength-to-weight ratio, corrosion-resistant. Commonly used in aircraft fuselage and wing structures.
Titanium Alloys
High strength, resistant to corrosion and high temperatures. Used in jet engines and airframe components of military aircraft.
Composite Materials
High strength-to-weight ratio, corrosion resistance, fatigue resistance. Used in modern aircraft structures, including Boeing 787 and Airbus A350.
Nickel Alloys
Excellent mechanical strength, resistance to thermal expansion and corrosion. Used in turbine blades, exhaust systems, and engine components.
Stainless Steel
Corrosion-resistant, high strength, tolerates extreme temperatures. Used in landing gear, fasteners, and structural components.
Magnesium Alloys
Lightest structural metal, good damping capacity, flammable in powder or thin strip form. Used in gearbox housings and some interior components.
Ceramics
High-temperature stability, wear resistance, poor toughness. Used in thermal insulation, space shuttle tiles, and certain engine components.
Polymer Materials
Lightweight, corrosion-resistant, varying strength. Used in aircraft interiors, radomes, and fuel tanks.
Beryllium Alloys
High specific stiffness, lightweight, expensive. Used in satellite structures, aerospace gyroscopes, and optical systems.
Copper Alloys
Good electrical and thermal conductivity, corrosion resistance. Used in electrical systems, cooling systems, and various aerospace components.
Thermoplastic Materials
Can be remelted and reformed, good chemical resistance, variable thermal properties. Used in cabin components and ducts.
Thermosetting Plastics
Excellent dimensional stability, high temperature and chemical resistance. Used in composite matrix materials, adhesives, and high-temperature components.
Aramid Fibers
High tensile strength, low weight, and good impact resistance. Used in bulletproof vests, aerospace composite materials, and ballistic rated structures.
Carbon Fibers
High stiffness, high tensile strength, low weight, and low thermal expansion. Used in composite materials for airframes, engines, and aerospace components.
Glass Fibers
Good tensile strength, chemical resistance, relatively low cost. Used in fiberglass composites for non-structural aircraft parts and insulating materials.
Silver
Highest electrical and thermal conductivity of any metal, ductile, and malleable. Used in spacecraft electrical contacts and batteries.
Selenium
Photoconductive, semiconductor properties. Used in solar cells and photocopier components in aerospace applications.
Metal Matrix Composites (MMCs)
High strength-to-weight ratio, improved thermal conductivity, better wear resistance. Used in aerospace components such as engine parts, and heat exchangers.
Smart Materials
Can react to environmental changes, such as shape memory alloys and piezoelectric materials. Used in actuators, sensors, and morphing aerospace structures.
Superalloys
Exceptional mechanical strength, resistance to thermal creep deformation, good surface stability, and resistance to corrosion or oxidation. Used in high-stress, high-temperature applications like jet engines.
Foam Metals
Lightweight, good thermal and acoustic insulation, shock absorption properties. Used in aircraft interior panels and structural components that require dampening.
Graphene
Exceptionally strong, highly conductive, thin one-atom thick layers. Potential uses in electronics, sensors, and lightweight, strong composite materials.
Shape Memory Alloys
Metals that return to their pre-deformed shape when heated, good wear resistance. Used in deployable aerospace structures, actuators, and temperature control systems.
Silicon Carbide (SiC)
Hard, strong in compression, good thermal conductivity. Used in high-temperature applications such as gas turbine engines and as a substrate for semiconductor devices.
Boron Nitride (BN)
High thermal conductivity, electrically insulating, good thermal shock resistance. Used in semiconductor applications and as an advanced lubricant in aerospace.
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