General Concepts 9 min read
Kinetics of nucleation and growth
Structural changes in metallic systems usually take place by nucleation and growth whether it is just a phase change within…
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General Concepts 5 min read
Particle strengthening by precipitation and precipitation reactions
As explained in an earlier chapter (chapter-6: Dislocations and Strengthening Mechanisms), by obstructing dislocation motion in different means, material’s strength…
General Concepts 2 min read
Intermediate phases:
An intermediate phase may occur over a composition range (intermediate solid solution) or at a relatively fixed composition (compound) inside…
General Concepts 4 min read
Eutectic system:
Many binary systems have components which have limited solid solubility, e.g.: Cu-Ag, Pb-Sn. The regions of limited solid solubility at…
General Concepts 5 min read
Binary diagrams:
These diagrams constitutes two components, e.g.: two metals (Cu and Ni), or a metal and a compound (Fe and Fe3C),…
General Concepts 3 min read
Equilibrium Phase Diagrams
A diagram that depicts existence of different phases of a system under equilibrium is termed as phase diagram. It is…
General Concepts 4 min read
Phase Diagrams
Many of the engineering materials possess mixtures of phases, e.g. steel, paints, and composites. The mixture of two or more…
Technology of pre Spinning process 3 min read
Why compact spinning?
In conventional ring spinning, fibres in the selvedge of strand emerging from front roller nip do not get fully integrated…
Technology of pre Spinning process 3 min read
Accessories for Ring Spinning
In the course of processing staple fibers on spinning machines, many short fibers are lost as fly and a considerable…
Technology of pre Spinning process 4 min read
The Machine Drive
About 20% of production costs in a spinning mill fall under the heading “energy”, and of these costs about two…
