Why is the carbon content in steel so important?

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Steels, which are alloys of iron and carbon, are one of the most commonly used industrial materials. The amount of carbon that is added to the steel dramatically affects the materials microstructure and mechanical properties. In this video we cover the iron-carbon equilibrium phase diagram and explore how changing the composition of low alloy steels impacts the microstructure by analysing the phases that form.

00:00 Introduction
00:23 Why is this important?
01:54 Equilibrium phase diagrams
03:23 Different ferrous alloys
06:26 Different phases of iron - Ferrite and austenite
07:46 Iron-carbon alloys - Ferrite and cementite
08:55 Iron-carbon phase diagrams
10:58 The eutectoid composition - Pearlite
11:57 Hypo/hyper-eutectoid composition
14:42 Summary

This is a follow up video to a previous one on "How to use phase diagrams and the lever rule to understand metal alloys".
   • How to use phase diagrams and the lev...  

#Steel #PhaseDiagrams #Pearlite

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