brittle transition temperature

brittle transition temperature
температура перехода из вязкого состояния в хрупкое, порог хрупкости; см. также ductile-brittle transition temperature; fracture appearance transition temperature; impact transition temperature

Англо-русский словарь промышленной и научной лексики. 2014.

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  • Transition temperature — is the temperature at which material changes from one crystal to another. There are total seven crystal systems and every material is known to exist in one of them. At any critical value of temperature it can shift to any crystal system from the… …   Wikipedia

  • transition temperature — the temperature at which a transition from ductile to brittle fracture takes place in steel. It is usually determined by making a series of Charpy impact tests at various temperatures, the transition temperature is usually taken as the point… …   Mechanics glossary

  • Glass transition temperature — The glass transition temperature, T g, is the temperature at which an amorphous solid, such as glass or a polymer, becomes brittle on cooling, or soft on heating. More specifically, it defines a pseudo second order phase transition in which a… …   Wikipedia

  • Temperature de transition fragile-ductile — Température de transition fragile ductile La ductilité d un matériau dépend de nombreux paramètres, dont notamment la température et le vitesse de déformation. Concernant la température, la plupart des matériaux cristallins sont fragiles à basse… …   Wikipédia en Français

  • Température de transition fragile-ductile — La ductilité d un matériau dépend de nombreux paramètres, dont notamment la température et le vitesse de déformation. Concernant la température, la plupart des matériaux cristallins sont fragiles à basse température et deviennent ductiles au… …   Wikipédia en Français

  • ductile-to-brittle transition — the transition from ductile to brittle behavior with a decrease in temperature exhibited by BCC alloys; the temperature range over which the transition occurs is determined by Charpy and Izod impact tests …   Mechanics glossary

  • Brittle-ductile transition zone — [ continental crust and changes in dominant deformation mechanisms and fault rocks in a conceptual vertical fault zone. ] The brittle ductile transition zone is the strongest part of the Earth s crust. For quartz and feldspar rich rocks in… …   Wikipedia

  • transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …   Universalium

  • Glass transition — The liquid glass transition (or glass transition for short) is the reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle state into a molten or rubber like state …   Wikipedia

  • High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …   Wikipedia

  • glass transition — the change in a crystalline polymer or ceramic material from a rubbery or viscous state to a hard, brittle state, usually as a result of a decrease in temperature …   Medical dictionary


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