metallurgy part 2

An alloy, whose constituents are completely soluble in the molten & solid state in all their possible combinations

All of the following is true about elements forming Substitutional Solid Solution except

• Same valence
• Same space lattice.
• No chemical affinity
• Atom size difference is 25%

Ordered solid sulotion is the most common solid solution alloy

• True
• False

All of the following is true about solid solution alloy except

• Has difinte melting point
• Has better ductility than other alloys
• Has better corrosion resistance than other alloy
• None of the above

Solid solution alloy has better ductility than other alloys due to

State of matter above the liquidus is

• Putty state
• Solid
• Liquid
• Solid and liquid

State of matter above the solidous line is

• Solid
• Liquid
• Vapour
• Solid and liquid

According to the equilibrium phase diagram the x axis represents the temperature

• True
• False

Explain occurrence of coring

Homogenization heat treatment occurs above the melting range

• True
• False