Mechanical Engineering useful notes

Important Properties of cast Iron (1) Machinability. Cast iron has broad range of machinability, i.e., from very good to the most unmachina...

1. Chilled Casting . The mould used for chilled casting is either of a metal having high melting point or the mould may be given a lining of...

1. Phosphorous. The quantity of phosphorous present in pig iron varies from 0.1 to 2.0%. It combines with iron to form Fe3P which embrittle...

Most important commercial form of iron are : Pig iron. It is the product of  the blast furnace and is made by the reduction of iron ore. ...

Iron has three allotropic forms of crystal at different temperature. It undergoes all the allotropic forms when it is heated  from normal te...