Posted inPowder Metallurgy
Metallurgy – Purification of metals
(a) Electrolytic refining This is one of the most convenient and important method of refining…
Posted inPowder Metallurgy
Metallurgy – Purification of ores
The ore is generally associated with rock impurities like clay, sand etc. called ' gangue or…
Posted inPowder Metallurgy
Permeability and Flow Rate
Sizing a hopper outlet or feed tube to achieve the required discharge rate is more…
Posted inPowder Metallurgy
Testing of Flow Rate
Flow of metal powders is determined by standard methods developed by ASTM and MPIF. Flow…
Posted inPowder Metallurgy
Variables Affecting Flow Rate
Flow characteristics are dependent on several variables, including interparticle friction, particle shape and size, type…
Posted inPowder Metallurgy
Attrition Mills
Milling in an attrition mill (Fig. 24) is effected by the stirring action of an agitator that…
Posted inPowder Metallurgy
Gas Atomization
There are many methods that have been used to produce aluminum and aluminum alloy powders including…
Posted inPowder Metallurgy
Factors Affecting Angle of Repose
Internal factors are those inherent to powders, or characteristic of the nature of powders. These…
Posted inPowder Metallurgy
Frictional Properties
Both internal and external friction values are important when characterizing the flow properties of a…
Posted inPowder Metallurgy
Apparent Density
Apparent density of a metal powder, or the weight of a unit volume of loose powder…