Materials science relates the preparation and internal structure of materials to their properties and uses. Crystal structure, elasticity and electrical conductivity describe different aspects of that connection.
Tensile testing measures the response of a specimen to an axial pulling force. A tensile modulus experiment uses the initial proportional response to infer Young's modulus.
Crosshead displacement is the measured travel of a testing machine's moving crosshead. Depending on the readout and apparatus, it includes deformation outside the specimen segment measured by an extensometer. It is affected by machine compliance.
An extensometer measures the change in distance between two specimen points. Its gauge length defines the reference length used to calculate engineering strain.
The gauge length is the initial separation of the points whose extension defines a reported engineering strain. It need not equal the full deforming length between grips.
A materials scientist who studied semiconductor growth at Santa Barbara.[ref]
Professional profile of Arthur Gossard. Independent professional identity
A ceramic is an inorganic, nonmetallic solid, often formed by heating and cooling. Ceramics may contain several chemical compounds and need not have a single crystal structure.
Sintering joins particles into a coherent solid by heating, sometimes with applied pressure, without completely melting the material. It is used to consolidate powders of ceramics and metals.
Sputtering ejects surface chemical atoms from a solid through bombardment by energetic incident particles, often ions.
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Materials science is an interdisciplinary field that focuses on the properties, performance, processing, and applications of materials. It combines principles from physics, chemistry, engineering, and biology to understand how different materials behave under various conditions and how their internal structures influence their macroscopic properties. Key aspects of materials science include: 1. **Understanding Material Properties**: This involves studying mechanical, thermal, electrical, optical, and magnetic properties of materials. Scientists use these properties to determine how materials will perform in different applications.
