Constitution of Alloys and Phase Diagrams
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
Iron has been widely used by man for thousands of years.
Constitution of Alloys
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
A phase diagram can be defined as a plot of the composition of phases as a function of temperature in any alloy system under equilibrium conditions.
Constitution of Alloys
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
Using a phase diagram, one can obtain at least the following three informations.
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
Cooling curves are obtained by plotting the measured temperatures at equal intervals during the cooling period of a melt to a solid.
Constitution of Alloys
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
One of the central themes in materials engineering is that the properties of a material depend on its underlying micro- structure.
Constitution of Alloys
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
If an alloying element is added in excess of the limit of solid solubility, a second phase appears along with the primary solid solution.
Constitution of Alloys
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
A pure metal consisting of only one type of atom is almost impossible. Practically impurities or foreign atoms always present in all materials.
Engineering Materials and Metallurgy
Subject and UNIT: Engineering Materials and Metallurgy: Unit I: Constitution of Alloys and Phase Diagrams
Understand the formation of solid solu- tions and differentiate between substitutional and interstitial solid solutions.
Definition, Types, Examples | Crystal Physics
Subject and UNIT: Engineering Materials and Metallurgy: Unit 0: Review of Crystal Physics
The defects, which takes place on the surface of a material are known as surface defects or plane defects.
Definition, Phenomenon, Observations | Crystal Defects or Imperfections
Subject and UNIT: Engineering Materials and Metallurgy: Unit 0: Review of Crystal Physics
Whenever the atoms are displaced in two separate planes perpendicular to each other, the defect so produced is known as screw dislocation.
Definition, Phenomenon, Observations | Crystal Defects or Imperfections
Subject and UNIT: Engineering Materials and Metallurgy: Unit 0: Review of Crystal Physics
Whenever a half plane of atom is inserted between the planes of atoms in a perfect crystals, the defect so produced is known as edge dislocation.
Definition, Causes, Types | Crystal Defects or Imperfections
Subject and UNIT: Engineering Materials and Metallurgy: Unit 0: Review of Crystal Physics
The defects, which take place due to dislocation or distortion of atoms along a line, in some direction, are called as line defects.