CARBURIZING

12/07/2021
Definition: Carburizing increases the surface hardness of low carbon steel or low carbon alloy steel. While the core still retains the toughness
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Relationship between carbon content in steel and carburizing


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Carburizing program

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Pre-heating process

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Carburizing process


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1. High temperatures increase the rate of carbon migration. If the temperature is too high, the microstructure of metal will be rough. Need to choose the right temperature.

2. High Cp% permeability increases carbon migration rate. If the permeability index is too high, it will produce soot, soot blacken the product and form a cementite precipitate…> Reduces mechanical properties

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