Shared Flashcard Set

Details

Micro Structure: Phase Diagrams & Kinetics
Demonstrate an understanding of the fundamentals of phase transformation including lever and phase rules and etc.
11
Mechanical Engineering
Undergraduate 3
05/07/2014

Additional Mechanical Engineering Flashcards

 


 

Cards

Term
Two important rule for the phase diagram
Definition
Phase rule
Lever rule
Term
Phase
Definition
chemically and structurally homogeneous portion of the microstructure
Term
A single-phase microstructure can be
Definition
polycrystalline
Term
Ex) Copper + Nickel alloy
Definition
Completely soluble in each other
Phase: single (solid solution)
Components: two components (Cu, Ni)
Term
Phase diagram
Definition
any graphical representation of the state variable associated with microstructures
Term
Binary diagrams
Definition
(two component system)
Term
Ternary diagrams
Definition
(three component system)
Term
Binary diagram
Definition
maps of the equilibrium phases associated with various combinations of temperature and composition
Term
Equilibrium phase
Definition
slow variation in temperature allowing full change of composition
Term
Liquid phase
Definition
Two components are melted completely
Use symbol ‘L’ for the liquid phase field
Above the liquidus line
Term
Liquid + solid phase (two phase region)
Definition
Mixture of both liquid and solid state
Use symbol ‘L+SS’ for this two phase region
Supporting users have an ad free experience!