EDM, or Electric Discharge machining, is a process of manufacturing in which an
electrical current sparks onto a work piece and giving it a distinctive shape. There are two
electrodes that do that machining, one is called the tool-electrode, , while the o
a. Tensile strength is the resistance of a material breaking under tension, also
called the maximum engineering stress.
b. Hardness is defined as resistance to permanent indentation.
c. Ductility is the extent of plastic deformation that a material und
Useful websites and notes
Chapter 1. Structure of metals
http:/www.substech.com/dokuwiki/doku.php?id=metals_crystal_structure explains the
basic information about the two main types of metals (Amorphous and Crystallin