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Metallurgy

No category Metallurgy Ordinary steels THEORY 

Equilibrium microstructural transformations in steel

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Privates Steel Despite, that a large number of complex alloy steels have been developed and used in the world, common steels (become ordinary

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Metallurgy THEORY 

Iron allotropy

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What is allotropy Depending on pressure and temperature, many metals can exist in more than one crystalline form. it

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Steel quality control Metallurgy 

Hydrogen in steel

Controlling hydrogen content in steel is an important challenge for steel producers, since hydrogen in general negatively affects most properties

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Macro- and microstructure of steel Metallurgy 

Microstructure of steel: ferrite

Ferrite is one of the most common phases in steel. Its name comes from the Latin word ferrum, what does iron mean. Micrography

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Steel quality control Metallurgy Chemical composition of steel 

Impurities in steel: random

Accidental impurities in steels are considered chemical elements in it, which were not specially added to steel, including, indirectly, eg,

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Macro- and microstructure of steel Metallurgy 

Spheroidization of cementite in steel

Form of cementite in steels Cementite is present in most steels, moreover: – in hypoeutectoid steels - in the form of thin pearlite plates;

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Macro- and microstructure of steel Metallurgy THEORY 

Bainite in steel

If the steel is cooled from the austenitizing temperature slightly faster, than just outside, then there is a possibility of the formation of such a microstructure of steel as

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Macro- and microstructure of steel Metallurgy 

Microstructure of steel

The term "microstructure" refers to the distribution of grains in steel. The description of the microstructure includes concepts such as grain size and shape., as well as

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Metallurgy THEORY 

Martensite and retained austenite

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The temperature of the onset of martensitic transformation in steels is highly dependent on the carbon content of austenite. Martensitic transformation and carbon content In the figure

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Metallurgy THEORY 

Martensitic transformation in steel: beginning and the end

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There are two very important temperatures when quenching steel - the temperature of the beginning of the martensitic transformation Mn and the temperature of the end of the martensitic transformation Mk.

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