3 Metal Forming

What is the primary purpose of the forming processes in manufacturing?

• To reduce the cost of materials

• To change the shape of an existing solid body

• To increase the weight of the material

• To improve the color of the material

Which of the following processes involves reducing the cross section of a long workpiece?

• Forging

• Casting

• Rolling

• Extrusion

What is the main advantage of hot rolling compared to cold rolling?

• Higher dimensional tolerances

• Better surface finish

• Improved ductility of the material

• Ability to shape more complex geometries

In powder metallurgy, what is the term for the process of heating green compacts to bond particles?

• Blending

• Sintering

• Compaction

• Atomization

Which method is used to produce metal powders by breaking up a liquid-metal stream?

• Comminution

• Mechanical alloying

• Atomization

• Electrolytic deposition