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In: Mechanical Engineering

An example of a superalloy/composites that could be used to build a landing gear for a...

An example of a superalloy/composites that could be used to build a landing gear for a space rocket like new shepherd(blue origin)

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Expert Solution

1)Polymer Matrix Composites-PMC is a plastic matrix reinforced by high-performance carbon or organic fibers. The fiber reinforcement is stronger than the matrix and provide stiffness and strength. Reinforcement is laid in a particular direction within the matrix and the resulting PMC will have different properties in different directions (anisotropic properties)

2)Titanium and Titanium Matrix Composites -The use of metal matrix composites is currently uneconomical, but they clearly offer great future potential,

3)High-Strength Stainless Steels-New high-strength stainless steels offer a high corrosion resistance, high fracture toughness and excellent corrosion resistance. MLX17 high strength stainless steel is such that “a 1mm diameter wire would be strong enough to lift a car.” MLX17 (X1CrNiMoAlTi12-11-2) is capable of 1700 MPa; aluminum and titanium are used for hardening. Applications for MLX17 include landing gears, actuators, and flaps. In addition to stainless steel’s strength and anti-corrosion properties, it has environmentally responsible attributes—it doesn’t require toxic cadmium surface treatments like other steels and stainless steel is recyclable.


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