In the Ge–P system, a compound GeP exists. At 725°C, Ge, GeP and liquid of 62 at.% P are in three-phase equilibrium. At 577°C, GeP, P and liquid of 94.5 at.% P are in equilibrium. The melting points of Ge and P are 937 and 593°C respectively. Draw an approximate phase diagram of this system. Write down the invariant reactions, giving their names.

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Why Metallurgists should study metallurgy?

 Metallurgy is very old branch of engineering. When there were no mechanical machines, tools, etc. then there was metallurgy where people used to melt metal and cast into their useful products. Later, these products became someone's cooking utensils, statue, sword, etc.

Now a days, metallurgy is related to study of old metallurgical processes but with advanced technologies. Top quality research is also done in this area related to alloys development for applications in aerospace, industries, ships, etc.

Watch this video to know more and get motivated to study metallurgy.

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