Mechanical engineering info

MECHANICAL PROPERTIES OF MATERIALS

 WHAT IS MATERIALS ?      Materials is a substance or, mixture of a more substance that is use for as input in manufacturing process and can be used for making or doing something . New materials are produced from raw materials . Mild steel, tor steel, cast iron, aluminium, copper, concrete, bricks, tiles, stones, timbers, glass are commonly used materials for engineering purpose.  Important properties of materials are mechanical, thermal, chemical, electrical, magnetic, physical, etc. practically in engineering generally materials are used for structural purpose, machine parts or electrical & electronics devices CLASSIFICATION OF MATERIALS  Elastic material :  A material is said to be perfectly elastic when the deformation produced under the action of external loads and regains its original size and shape after remove external deforming load. for example:- rubber are the best example of elastic material Plastic material:- A materials is said to be...