MTL200 FINAL EXAM (Midterm review
chap 9) Study Guide.
components - Answer pure metals and compounds of which n alloy is composed
System - Answer refer to specific body of material under consideration
Solubility Limit - Answer max concentration of solute atoms that dissolve in solvent to form
solid solution
Phase - Answer homogenous portion of system that has uniform physical and chemical
characteristics
homogeneous - Answer single phase system
heterogeneous - Answer 2 or more phases
equilibrium is described as ... - Answer free energy, randomness, disorder!
entropy is ... at equilibrium - Answer minimum
metastable - Answer rate of approach to eq is slow
Equilibrium cooling - Answer slow cooling till equilibrium
Non-Equilibrium Cooling - Answer decreases avg grain size
fast rate of cooling
-> CORING OCCURS
solvus line - Answer seperates alpha solid phase and (alpha + beta) solid phase
Solidus Line - Answer separates the alpha and (alpha + liquid) phase
Eutectic - Answer L -> alpha + beta
chap 9) Study Guide.
components - Answer pure metals and compounds of which n alloy is composed
System - Answer refer to specific body of material under consideration
Solubility Limit - Answer max concentration of solute atoms that dissolve in solvent to form
solid solution
Phase - Answer homogenous portion of system that has uniform physical and chemical
characteristics
homogeneous - Answer single phase system
heterogeneous - Answer 2 or more phases
equilibrium is described as ... - Answer free energy, randomness, disorder!
entropy is ... at equilibrium - Answer minimum
metastable - Answer rate of approach to eq is slow
Equilibrium cooling - Answer slow cooling till equilibrium
Non-Equilibrium Cooling - Answer decreases avg grain size
fast rate of cooling
-> CORING OCCURS
solvus line - Answer seperates alpha solid phase and (alpha + beta) solid phase
Solidus Line - Answer separates the alpha and (alpha + liquid) phase
Eutectic - Answer L -> alpha + beta
