grain impurity

См. также в других словарях:

• Grain boundary — A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt the motion of dislocations through a material, so reducing crystallite size is a common way to improve strength, as described by the Hall …   Wikipedia

• 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 dislocation, grain boundary, stacking fault, or an interface with a precipitate… …   Wikipedia

• crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

• Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …   Universalium

• LEVITICUS, BOOK OF — (Heb. וַיִּקְרָא; LXX Λευιτικόν leuitikon), more aptly described by its tannaitic name, Torat Kohanim, the Priests Manual, the third book of the Pentateuch. Leviticus is thematically an independent entity. exodus contains the story of the… …   Encyclopedia of Judaism

• 613 Mitzvot — Part of a series of articles on Jews and Judaism …   Wikipedia

• Yield (engineering) — The yield strength or yield point of a material is defined in engineering and materials science as the stress at which a material begins to deform plastically. Prior to the yield point the material will deform elastically and will return to its… …   Wikipedia

• Diamond flaws — Contents 1 External flaws 1.1 Blemishes 1.2 Scratches 1.3 …   Wikipedia

• Hinduism — /hin dooh iz euhm/, n. the common religion of India, based upon the religion of the original Aryan settlers as expounded and evolved in the Vedas, the Upanishads, the Bhagavad Gita, etc., having an extremely diversified character with many… …   Universalium

• Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …   Wikipedia

• Mishpatim — (מִּשְׁפָּטִים Hebrew for “laws,” the second word of the parshah) is the eighteenth weekly Torah portion (parshah) in the annual Jewish cycle of Torah reading and the sixth in the book of Exodus. It constitutes Exodus 21:1–24:18. Jews in the… …   Wikipedia