- eutectoid composition
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эвтектоидный состав
Англо-русский словарь технических терминов. 2005.
eutectoid composition
Смотреть что такое "eutectoid composition" в других словарях:
hypereutectoid — “+ adjective Etymology: hyper + eutectoid 1. : containing the minor component in an amount in excess of that contained in the eutectoid 2. of steel : containing more than 0.80 percent carbon * * * /huy peuhr yoo tek toyd/, adj. Metall. 1. (of an… … Useful english dictionary
Pearlite — is a two phased, lamellar (or layered) structure composed of alternating layers of alpha ferrite (88 wt%) and cementite (12%) that occurs in some steels and cast irons. It forms by a eutectoid reaction as austenite is slowly cooled below 727°C.… … Wikipedia
hypereutectoid — /huy peuhr yoo tek toyd/, adj. Metall. 1. (of an alloy) having more of the alloying element than the eutectoid composition. 2. (of steel) having more carbon than the 0.8 percent of eutectoid steel. [1910 15; HYPER + EUTECTOID] * * * … Universalium
hypereutectoid alloy — for an alloy system displaying an eutectoid, an alloy for which the concentration of solute is greater than the eutectoid composition … Mechanics glossary
hypoeutectoid alloy — for an alloy system displaying an eutectoid, an alloy for which the concentration of solute is less than the eutectoid composition … Mechanics glossary
hypereutectoid — hy•per•eu•tec•toid [[t]ˌhaɪ pər yʊˈtɛk tɔɪd[/t]] adj. mel having more of the alloying element than the eutectoid composition • Etymology: 1910–15 … From formal English to slang
Eutectic point — The melting point of a mixture of two or more solids (such as an alloy) depends on the relative proportions of its ingredients. A eutectic or eutectic mixture is a mixture at such proportions that the melting point is as low as possible, and that … Wikipedia
Austenite — (or gamma phase iron) is a metallic non magnetic solid solution of iron and an alloying element. In plain carbon steel, austenite exists above the critical eutectoid temperature of 1000 K (about 727 °C); other alloys of steel have different… … Wikipedia
Carbon steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) … Wikipedia
Lamellar structure — Lamellar structures or microstructures are composed of fine, alternating layers of different materials in the form of lamellae. They are often observed in cases where a phase transformation front moves quickly, leaving behind two solid products,… … Wikipedia
Phase diagram — In physical chemistry, mineralogy, and materials science, a phase diagram is a type of graph used to show the equilibrium conditions between the thermodynamically distinct phases. In mathematics and physics, a phase diagram also has an… … Wikipedia
