Give two methods on how powder is produced in powder metallurgy.

Explanation:

Molten metal is forced through a small orifice and is shatter by a jet of compressed air,inert gas .

In Atomization, the particles shape is analysed  by the rate of solidification and varies from spherical to highly irregular shape.

oxide of metals are transformed to pure metal powder when undefended to under melting point gases results in a product of spongy material.

It is used for Iron,copper,tungsten,Nickel etc.

(1)Atomizing process

 (2)Gaseous reduction

Explanation:

The first step in powder metallurgy is the production of powder,because the property of the final product depends on the powder.

The methods for the production of powder are as follow

                    (1)Atomizing process

                    (2)Gaseous reduction

(1)Atomizing process:

     In the Atomizing process the molten metal is passing through an orifice into a stream of inert gas.Due to this rapid cooling of metal occurs and then it will in very fine particle .

(2)Gaseous reduction:

In this process powder is producing by grinding of metallic oxide to a fine state,after that reducing it by carbon mono oxide.

answer:

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explanation: