Phase Diagrams

LECTURE PRESENTATION

Reading Assignment

  • 4.1 Introduction to Phase Diagrams
  • 4.2 Phases
  • 4.3 Equilibrium Phase Diagrams

Recommended Reading

See Also

Outline

Solutions

Components

Solvent

Solute

Solubility Limit

Solid solution

Substitutional Solution

Interstitial Solution

Phases

Phases

Allotropism

Binary Isomorphous Systems

Isomorphous

Phases are denoted by lower case Greek letters (alpha, beta, gamma)

Liquidus line

Solidus line

Isotherm  or “tie-line”

Development of Microstructure

Equilibrium Solidification

Non-equilibrium Solidification

Mechanical properties of Alloys

Binary Eutectic Systems

Eutectic Point

Solvus Line

Introduction to the Iron Carbon System

 


Additional Information

Capudean, Bob. ” Phase, Structures, and the influence of temperature.” The Fabricator  June 26, 2003 (link)

(video – Nucleation and Grain Growth)

(see http://www.engadget.com/2011/06/25/new-phase-changing-alloy-turns-waste-heat-into-green-energy-exh/)

 

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