ball hardness number

ball hardness number
число твёрдости по Бринеллю (число твёрдости, определяемое вдавливанием шарика)

Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. . 1974.

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Смотреть что такое "ball hardness number" в других словарях:

  • Brinell hardness number — Metall. a rating obtained from a test (Brinell test) to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. Also called Brinell number. Abbr.: Bhn [named after J.A. Brinell (1849… …   Universalium

  • Brinell hardness number — Metall. a rating obtained from a test (Brinell test) to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. Also called Brinell number. Abbr.: Bhn [named after J.A. Brinell (1849… …   Useful english dictionary

  • Brinell hardness number — Bri•nell′ hard′ness num ber [[t]brɪˈnɛl[/t]] n. mel a rating obtained from a test(Brinell′ test )to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. Abbr.: Bhn • Etymology: after …   From formal English to slang

  • 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

  • Ball bearing — For individual balls that are sometimes called ball bearings , see Ball (bearing). Working principle for a ball bearing …   Wikipedia

  • number — 1. A symbol expressive of a certain value or of a specific quantity determined by count. 2. The place of any unit in a series. atomic n. (Z) the n. of protons in the nucleus of an atom; it indicates the position of the …   Medical dictionary

  • 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

  • Brinell number — noun measure of the hardness of a material • Hypernyms: ↑unit of measurement, ↑unit * * * noun Usage: usually capitalized B Etymology: after J.A.Brinell : a number expressing Brinell hardness * * * Brinell number …   Useful english dictionary

  • Billiard ball — Cueball redirects here. For the video game, see Jimmy White s 2: Cueball. Cue balls from (left to right): Russian pool and kaisa 68 mm (2 11⁄16 …   Wikipedia

  • Cricket ball — Cricket portal …   Wikipedia

  • 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


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