rockwell test

  • 11Rockwell X-30 — X 30 NASP Artist s Concept of the X 30 entering orbit Role SSTO aerospaceplane Manufacturer …

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  • 12Rockwell 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

  • 13test — bend test Brinell hardness test Charpy test creep test cup test diamond pyramid hardnesstest elongation test end quench test endurance test impact test Izod impact test Jominy test …

    Mechanics glossary

  • 14test — I (New American Roget s College Thesaurus) n. examination; trial, essay; criterion; experiment. II (Roget s IV) n. 1. [A check for adequacy] Syn. inspection, analysis, countdown, probing, inquiry, inquest, elimination, proving ground(s), training …

    English dictionary for students

  • 15Rockwell 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

  • 16Échelle Rockwell — Dureté (matériau) À la différence des minéraux dont la dureté est caractérisée par rayage (cf. Échelle de Mohs), on utilise généralement des essais de rebondissement ou de pénétration pour caractériser la dureté des métaux et des polymères. Ces… …

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  • 17Échelle de Rockwell — Dureté (matériau) À la différence des minéraux dont la dureté est caractérisée par rayage (cf. Échelle de Mohs), on utilise généralement des essais de rebondissement ou de pénétration pour caractériser la dureté des métaux et des polymères. Ces… …

    Wikipédia en Français

  • 18North American Rockwell OV-10 Bronco — OV 10 Bronco A U.S. Air Force OV 10 firing a white phosphorus smoke rocket to mark a ground target Role …

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  • 19Vickers 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… …

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  • 20Barcol 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… …

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