penetration hardness

См. также в других словарях:

• Penetration hardness — Penetration hardness. См. Сопротивление вдавливанию. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

• 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

• Barcol hardness test — The Barcol hardness test characterizes the indentation hardness of materials through the depth of penetration of an indentor, loaded on a material sample and compared to the penetration in a reference material. The method is most often used for… …   Wikipedia

• Rockwell hardness — (RH )    a measure of the hardness of a metal introduced by Rockwell in 1922. In a Rockwell hardness test, a penetrator makes an indentation in the metal under two constant loads, a minor load (generally 10 kilograms) and then a major load. The… …   Dictionary of units of measurement

• Knoop hardness — (HK or KHN)    a measure of the hardness of a metal introduced by Knoop in 1939. The Knoop test is similar to the Vickers test in that a diamond penetrator is used to indent the sample being tested, but it uses a rhombohedral diamond rather than… …   Dictionary of units of measurement

• Rockwell hardness test — a test to measure hardness by determining the depth of penetration into a specimen of a penetrator under predetermined conditions of test …   Mechanics glossary

• radiation hardness — spinduliuotės skvarbumas statusas T sritis fizika atitikmenys: angl. penetrating power of radiation; radiation hardness vok. Durchdringungsvermögen der Strahlung, n; Strahlungshärte, f rus. жёсткость излучения, f; проникающая способность… …   Fizikos terminų žodynas

• brinell hardness — brə̇ˈnel , ˈbriˌn noun Usage: usually capitalized B Etymology: after Johann A. Brinell died 1925 Swedish engineer : the hardness of a metal or alloy measured by a manually operated vertical hydraulic press in which a hard steel or carbide ball of …   Useful english dictionary

• rockwell hardness — ˈräˌkwel , kwəl noun Usage: usually capitalized R Etymology: after Stanley P. Rockwell, 20th century American metallurgist : the hardness of a metal or alloy measured by an apparatus in which a diamond pointed cone is pressed into the metal to a… …   Useful english dictionary

• pouvoir de pénétration du rayonnement — spinduliuotės skvarbumas statusas T sritis fizika atitikmenys: angl. penetrating power of radiation; radiation hardness vok. Durchdringungsvermögen der Strahlung, n; Strahlungshärte, f rus. жёсткость излучения, f; проникающая способность… …   Fizikos terminų žodynas

• monotron hardness test — ˈmä]nə.ˌträn , ˈmō] noun Etymology: from Monotron, a trademark : an indentation test that measures the load required to produce a definite penetration of steel by a standard spherical penetrator …   Useful english dictionary