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…
Technology of pre Spinning process 2 min read
Introduction to Ring Spinning Frame
The ring spinning machine was invented in the year 1828 by the American Thorp. In 1830, another American, Jenk, contributed…
Technology of pre Spinning process 5 min read
What parameters influence the combing performance
Properties of cotton : Fiber length and its uniformity: These parameters play critical role in deciding the combing performance. If…
