Metal Foam

Afsana Rabi, a mechanical and aerospace engineer, has developed a composite metal foam that is lighter and stronger than traditional materials. This innovative material, made with hollow steel spheres and aluminum, has potential applications in building construction, automotive safety, and medical implants. The manufacturing process involves heating and casting, resulting in a material that can significantly reduce impact forces. Rabi collaborates with the US military and encourages young students to explore engineering, aiming to inspire the next generation of innovators.

What is the primary characteristic of the new material developed by Afsana Rabi?

• It is transparent and flexible.

• It is made entirely of plastic.

• It is as light as aluminum but stronger.

• It is heavier than traditional metals.

What is the main advantage of composite metal foam over other metal foams?

• It is more expensive to produce.

• It is less durable.

• It has a weaker cell structure.

• It has a stronger and more even cell structure.

How does metal foam improve safety in car bumpers?

• It makes the car more aerodynamic.

• It makes the car heavier.

• It reduces the impact felt by passengers during a collision.

• It increases the speed of the car.

In what way is metal foam being used by the US military?

• To create lighter aircraft.

• To improve body armor and combat vehicles.

• To develop new communication devices.

• To build faster submarines.

Why is it important to inspire young students about engineering, according to Afsana Rabi?

• To encourage them to pursue careers in medicine.

• To make them dislike engineering.

• To get better feedback in the future.

• To ensure they become scientists.