gas quenching

См. также в других словарях:

• Quenching (disambiguation) — Quenching may mean:* to quench, which is the rapid cooling of a solid to lock it into a metastable crystal structure * Quenching (fluorescence), any process which decreases the fluorescence intensity of a given substance * a loss of… …   Wikipedia

• Quenching — Quen|ching [ kwɛntt̮ʃɪŋ ], das; s [zu engl. to quench = löschen] (Chemie): das Abschrecken von heißen Reaktionsprodukten mit Wasser, Öl, Gas u. a., um die chemische Reaktion zum Stillstand zu bringen. * * * Quenching   [ kwentʃɪȖ; englisch to… …   Universal-Lexikon

• quenching — [1] Dipping a heated object into water, oil or other substance, to quickly reduce the temperature. Quenching into water gives a more rapid cooling rate than into oil. The term also applies to cooling in salt and molten metal baths or by means of… …   Dictionary of automotive terms

• Dielectric gas — A dielectric gas, or insulating gas, is a dielectric material in gaseous state. Its main purpose is to prevent or rapidly quench electric discharges. Dielectric gases are used as electrical insulators in high voltage applications, e.g.… …   Wikipedia

• Carbonitriding — is a metallurgical surface modification technique that is used to increase the surface hardness of a metal, thereby reducing wear. During the process, atoms of carbon and nitrogen diffuse interstitially into the metal, creating barriers to slip,… …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Chlorophyll fluorescence — is light that has been re emitted after being absorbed by chlorophyll molecules of plant leaves. By measuring the intensity and nature of this fluorescence, plant ecophysiology can be investigated. Contents 1 Assessing plant physiology with… …   Wikipedia

• Geiger-Müller tube — A Geiger Müller tube (or GM tube) is the sensing element of a Geiger counter instrument that can detect a single particle of ionizing radiation, and typically produce an audible click for each. It was named for Hans Geiger who invented the device …   Wikipedia

• Quench — A quench refers to a rapid cooling. In polymer chemistry and materials science, quenching is used to prevent low temperature processes such as phase transformations from occurring by only providing a narrow window of time in which the reaction is …   Wikipedia

• amorphous solid — ▪ physics Introduction       any noncrystalline solid in which the atoms and molecules are not organized in a definite lattice pattern. Such solids include glass, plastic, and gel.       Solids and liquids (liquid) are both forms of condensed… …   Universalium