Material Science and Engineering

Nanotechnology in Materials Science

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The most interesting about nanotechnology is that materials have a property of changing size scale of their dimensions into nanometres. New techniques to create Nano phase materials have arisen in the development of new class of materials. For instance, a Nano phase material with an average grain size of 5nm has about 50% of the atoms within the first two nearest neighbour planes of a grain boundary in which significant displacements from normal lattice positions are displaced. The basic idea being to produce new disordered solid which contains a high density of defect cores whose 50% or more of the atoms reside in the core of the defects.