applied surface materials

The adverse effects of particulates on materials include damages to electronic equipment through chemical or mechanical action on electrical contacts, erosion and soiling of buildings, sculptures and painted surfaces. Corrosion of metals (when the atmosphere is humid) also take..

Matter exists in several phases. If we look at all objects around us, we perceive that some materials have a definite shape and occupy a definite amount of space or volume. We call these materials solids and we can name many objects that are solids. We say that solids have a def..

Metallic surfaces exposed to acid rain are readily corroded. Textile fabrics, paper and leather products lose their material strength or disintegrate by the acid rain. Building materials such as limestone, marble, dolomite, mortar and slate are weakened on reaction wi..

Spherical Refracting Surface - A refracting surface, which forms a part of a sphere of transparent refracting material, is called spherical refracting surface. The two types are convex spherical refracting surfaces and concave spherical refracting h..

A refracting surface, which forms a part of a sphere of transparent refracting material, is called spherical refracting surface. The two types are convex spherical refracting surfaces and concave spherical refracting surfaces..

Urban activities generate large quantities of city wastes including several Biodegradable materials (like vegetables, animal wastes, papers, wooden pieces, carcasses, plant twigs, leaves, cloth wastes as well as sweepings) and many non-biodegradable materials (such as plastic ba..

Gravitational Potential Energy Near the Surface of Earth - As we go higher above the surface of the Earth, the value of acceleration due to gravity decreases. But for those heights which are very small when compared to the radius of the Earth, g (and hence mg) can be assumed to ..

Even though the laws of friction have been understood since a long time, some properties were understood properly, only after the discovery of atoms and molecules. No matter how well polished two surfaces are, at the atomic level they are never plane. Sometimes, when these extremely well..

When a force is applied on a surface in a direction perpendicular to the surface, the force is called thrus..

Electrolysis (Additional) - Chemical energy can be converted into electrical energy with the help of a galvanic cell. Conversely, the phenomenon of chemical changes taking place by the passage of electricity through an electrolyte is called electrolysis. Humphrey Davy (1807) showed this in his expe..