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  • hardness tester — ▪ device       device that indicates the hardness of a material, usually by measuring the effect on its surface of a localized penetration by a standardized rounded or pointed indenter of diamond, carbide, or hard steel.       Brinell hardness is …   Universalium

  • hardness tester — kietmatis statusas T sritis Standartizacija ir metrologija apibrėžtis Medžiagos (metalų ir jų lydinių) kiečio matuoklis. atitikmenys: angl. durometer; hardness tester vok. Durometer, n; Härtemesser, m; Härtemessgerät, n rus. дюрометр, m;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • hardness tester — kietmatis statusas T sritis chemija apibrėžtis Medžiagos kietumo matuoklis. atitikmenys: angl. durometer; hardness tester rus. твердомер …   Chemijos terminų aiškinamasis žodynas

  • hardness tester — Смотри Склерометр …   Энциклопедический словарь по металлургии

  • hardness tester — Смотри Твердомер …   Энциклопедический словарь по металлургии

  • rebound hardness tester — Смотри Склероскоп …   Энциклопедический словарь по металлургии

  • Hardness — This article is about mechanical properties of materials. For other uses, see Hard. Hardness is the measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied. Macroscopic hardness is generally… …   Wikipedia

  • Vickers hardness test — A Vickers hardness tester The Vickers hardness test was developed in 1924 by Smith and Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials.[1] The Vickers test is often easier to use than other… …   Wikipedia

  • Indentation hardness — tests are used to determine the hardness of a material to deformation. Several such tests exist, wherein the examined material is indented until an impression is formed; these tests can be performed on a macroscopic or microscopic scale. When… …   Wikipedia

  • Rockwell scale — The Rockwell scale is a hardness scale based on the indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a… …   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