size of grain

См. также в других словарях:

• Grain boundary strengthening — (or Hall Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries impede dislocation movement and that the number of dislocations within a …   Wikipedia

• Grain growth — refers to the increase in size of grains (crystallites) in a material at high temperature. This occurs when recovery and recrystallisation are complete and further reduction in the internal energy can only be achieved by reducing the total area… …   Wikipedia

• Grain (cipher) — Grain is a stream cipher submitted to eSTREAM in 2004 by Martin Hell, Thomas Johansson and Willi Meier. It has been selected for the final eSTREAM portfolio for Profile 2 by the eSTREAM project. Grain is designed primarily for restricted hardware …   Wikipedia

• Grain (disambiguation) — Grain refers to course particles (e.g. grain of sand , grain of salt ): *Grain is the small, hard, fruits or seeds of arable crops. Commonly grasses (see caryopsis, Cereals). *Film grain, the gritty texture sometimes apparent on images produced… …   Wikipedia

• Grain size — may refer to: * Particle size, the size of rocks * Crystallite size, the size of crystallites inside a material …   Wikipedia

• grain size measurement — grain size is normally quantified by a numbering system. Coarse 1 5 and fine 5 8. The number is derived from the formula N=2n 1 where n is the number of grains per square inch at a magnification of 100 diameters. Grain size has an important… …   Mechanics glossary

• Size Strength classification — is a two parameter rock classification based on the strength of intact rock and the spacing of discontinuities in the rock mass. It was developed by Louis and Franklin (1970 75). The size strength approach to rock mass characterisation has been… …   Wikipedia

• Grain size — Grain size. См. Размер зерна. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

• Grain size distribution — Grain size distribution. См. Распределение размера зерна. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

• size — grain size …   Mechanics glossary

• grain — grainer, n. grainless, adj. /grayn/, n. 1. a small, hard seed, esp. the seed of a food plant such as wheat, corn, rye, oats, rice, or millet. 2. the gathered seed of food plants, esp. of cereal plants. 3. such plants collectively. 4. any small,… …   Universalium