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The 3 Stages of Heat Treatment Process

 

The different stages of heat treatment process are levels in which a metal must undergo during the process in order to achieve the desired properties. In my previous article, I enlighten on What is Heat treatment of metals? – its advantages and disadvantagesToday you’ll have knowledge on the three different stages of heat treatment process. 

Three stages of heat treatment process

Three stages of heat treatment process

The three stages include:

Heating: heating is the first stage in a heat-treating process. It is done to change the structure of alloys when heated to some specific temperature. The alloy is said to be at room temperature either by a solid solution, a mechanical mixture or combination of both. In a solid solution, two or more metal are used on each other to form a solution without showing their elements even when checked with microscope. While in mechanical mixture the elements and compounds are clearly visible and compacted by a matrix of a base metal.

Soaking: is the stage at which the complete part of the heated metal completely changes in its structure. The mass of the metal will determine the time it will be soaked. In other word, soaking is when a part of a metal evenly becomes red due to it been subjected to heat for some time.

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Cooling: the third stage of heat treating process is cooling. It also changes the structure of the soaked metal from one chemical composition to another due the way it is been cooled either by quenching or by still air.

None the three stages of heat treating can be left aside. The heating stage helps in changing the structure of the metal from room temperature until it completely reaches the soaking stage which is when the metal evenly becomes red. The cooling stage is the stage at which the metal completely changes to its new properties due to the cooling  process.

And that is it for this article. I hopefully believed the knowledge is attained. Comment below and share with friends. Thank you!

Question: what is the heating stages of heat treatment?

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