grain diameter

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• 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 mill — Structure for grinding cereal. Waterwheels were first exploited for such tasks. Geared mills turning grindstones (see gear) were used in the Roman Empire, but their fullest development occurred in medieval Europe, in, for example, the great grain …   Universalium

• grain size — the average diameter of grains, usually determined microscopically, on an etched plane surface of the metal …   Mechanics glossary

• Gauge (bore diameter) — The Gauge or bore of a shotgun or rifle is a unit of measurement used to express the diameter of the barrel. The gauge or bore of a barrel is equal to the number of solid spheres of lead each having the same diameter as the inside of the barrel… …   Wikipedia

• Particle size (grain size) — Particle size, also called grain size, refers to the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials. This is different from the crystallite size,… …   Wikipedia

• Peavey–Haglin Experimental Concrete Grain Elevator — Infobox nrhp | name =Peavey–Haglin Experimental Concrete Grain Elevator nrhp type =nhl caption =The Peavey–Haglin elevator, built in 1899 ndash;1900, still stands today. The sign painted on it advertises Nordic Ware, the current owner of the… …   Wikipedia

• Saw-toothed grain beetle — Taxobox name = Sawtoothed grain beetle image width = 250px regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Coleoptera familia = Silvanidae genus = Oryzaephilus species= O. surinamensis binomial = Oryzaephilus surinamensis binomial… …   Wikipedia

• Film grain — or granularity is the random optical texture of processed photographic film due to the presence of small grains of a metallic silver developed from silver halide that have received enough photons.RMS granularityGranularity, or RMS granularity, is …   Wikipedia

• Merchant grain beetle — Taxobox name = Merchant grain beetle image width = 250px regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Coleoptera familia = Silvanidae genus = Oryzaephilus species= O. mercator binomial = Oryzaephilus mercator binomial authority …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Mill (grinding) — Mill A tabletop hammer mill Other names Grinding mill Uses Grinding Related items Mortar and pestle Expeller Extruder A grinding mill is …   Wikipedia