Engineering Materials

What element is added to copper to increase its strength and fatigue properties?

What element is added to copper to make it extremely hard?

What element constitutes the major component of most bronzes?

The element that is practically insoluble in solid copper is known as

Steels that are used for axles, gears and similar parts requiring medium to high hardness and high strength are known as

The purpose of copper in steels alloying is to increase

Galvanized steel are steel products coated with ____.

Cables for 220 kV line are invariably?

What group of steels are high-carbon, high-chromium tools steels suitable for cold working applications?

The one from which iron is obtained is

How many atoms are there per unit cell for a face-centered cubic structure?

What is the most undesirable of all elements commonly found in steels?

Under very slow deformation and at high temperature, it is possible to have some plastic flow in a crystal at a shear stress lower than the critical shear stress. What is the phenomenon called?

What refers to the case hardening process by which the carbon content of the steel near the surface of part is increased?

What is the most common reinforcement for polymer composite?

The purpose of copper is steel alloying is to increase

What impurity in steel can cause “red shortness” which means the steel becomes unworkable at high temperature?

The property that characterizes a material’s ability to be drawn into a wire is its

Which of the following is not a ductile metal?

What is the most common reinforcement for polymer composites?