- spontaneous annealing
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самоотжиг
Англо-русский словарь технических терминов. 2005.
spontaneous annealing
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Annealing (metallurgy) — Annealing, in metallurgy and materials science, is a heat treatment wherein a material is altered, causing changes in its properties such as strength and hardness. It is a process that produces conditions by heating to above the recrystallization … Wikipedia
Walter Rosenhain — (24 August 1875 – 17 March 1934) was an Australian metallurgist. Early lifeRosenhain was the son of Moritz Rosenhain and was born in Berlin. The family migrated to Australia when Walter was five years old. He was educated at Wesley College, and… … Wikipedia
ROSENHAIN, Walter (1875-1934) — metallurgist son of M. Rosenhain of Melbourne, was born on 24 August 1875. He was educated at Wesley College, and Queen s College, university of Melbourne, where he completed his course in civil engineering and was awarded an 1851 exhibition.… … Dictionary of Australian Biography
season cracking — spontaneous failure of some metals by cracking under the combined action of corrosion and residual stresses. Season cracking can be prevented by relief annealing which removes entirely or reduces to a safe limit the residual stresses without… … Mechanics glossary
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
Ferromagnetism — Not to be confused with Ferrimagnetism; for an overview see Magnetism A magnet made of alnico, an iron alloy. Ferromagnetism is the physical theory which explains how materials become magnets. Ferromagnetism is the basic mechanism by which… … Wikipedia
Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… … Wikipedia
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Fission track dating — is a radiometric dating technique based on analyses of the damage trails, or tracks, left by fission fragments in certain uranium bearing minerals and glasses. Uranium 238 undergoes spontaneous fission decay at a known rate. The fragments emitted … Wikipedia
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