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

21 Terms

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 reduction in diameter that occurs as a sample material is subjected to tensile stresses. Necking, in engineering or materials science, is a mode of tensile deformation where relatively large ...

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

Segregation in materials refers to the enrichment of a material constituent at a free surface or an internal interface of a material. In a polycrystalline solid, a segregation site can be a ...

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

Volume defects in crystals are three-dimensional aggregates of atoms or vacancies. It is common to divide them into four classes in an imprecise classification that is based on a combination of the ...

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

The two-dimensional defects that appear in crystals can be usefully divided into three types: free surfaces, which are the external surfaces at which the solid terminates at a vapor or liquid, ...

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

In the original concept of Volterra, the Burgers' vector of a crystal dislocation is a translation vector of the crystal, that is, a vector that connects atom positions so that the crystal can be ...

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

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