Home > Blossary: Defects in Materials
Defects determine many properties of materials (those properties that we call "structure sensitive properties"). Even properties like the specific resistance of semiconductors, conductance in ionic crystals or diffusion properties.

Category: Engineering

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Created by: Naveed

Number of Blossarys: 5

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Cleavage, in structural geology and petrology, describes a type of planar rock feature that develops as a result of deformation and metamorphism.The degree of deformation and metamorphism along with ...

Domain: Materials science; Engineering; Education; Category: Metallurgy; Mechanical engineering; Knowledge

The chemical or electrochemical reaction between a material, usually a metal, and its environment that produces a deterioration of the material and its properties.

Domain: Materials science; Engineering; Education; Category: Metallurgy; Mechanical engineering; Knowledge

The extrinsic point defects are foreign atoms, which are called solutes if they are intentionally added to the material and are called impurities if they are not. The foreign atom may occupy a ...

Domain: Materials science; Engineering; Business services; Category: Metallurgy; Mechanical engineering; Education & training

The concept of fatigue is very simple, when a motion is repeated, the object that is doing the work becomes weak. For example, when you run, your leg and other muscles of your body become weak, not ...

Domain: Materials science; Engineering; Education; Category: Metallurgy; Mechanical engineering; Knowledge

A fracture is the separation of an object or material into two, or more, pieces under the action of stress.The fracture of a solid almost always occurs due to the development of certain displacement ...

Domain: Education; Engineering; Materials science; Category: Knowledge; Mechanical engineering; Metallurgy

An intrinsic defect is formed when an atom is missing from a position that ought to be filled in the crystal, creating a vacancy, or when an atom occupies an interstitial site where no atom would ...

Domain: Materials science; Engineering; Education; Category: Metallurgy; Mechanical engineering; Knowledge

Line defects, or dislocations, are lines along which whole rows of atoms in a solid are arranged anomalously. The resulting irregularity in spacing is most severe along a line called the line of ...

Domain: Materials science; Engineering; Education; Category: Metallurgy; Mechanical engineering; Knowledge

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