Brinell test for hardness

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• Brinell test — [bri nel′] n. 〚after J. A. Brinell (1849 1925), Swed engineer〛 a test for determining the relative hardness (Brinell hardness) of a metal by measuring the diameter of the indentation made when a hardened steel ball is forced into the metal under… …   Universalium

• Brinell test — [bri nel′] n. [after J. A. Brinell (1849 1925), Swed engineer] a test for determining the relative hardness (Brinell hardness) of a metal by measuring the diameter of the indentation made when a hardened steel ball is forced into the metal under… …   English World dictionary

• brinell test — noun Usage: usually capitalized B Etymology: after J.A.Brinell : the test to determine Brinell hardness * * * Brinell test, the test for the hardness of metal, determining its Brinell number …   Useful english dictionary

• Brinell hardness — (HB or BHN)    a measure of the hardness of a metal introduced by J. A. Brinell in 1900.    In the Brinell test (generally used for metals of uniform hardness), a hard object such as a steel ball is pressed into the material being tested. The… …   Dictionary of units of measurement

• 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

• Brinell scale — The Brinell scale characterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test piece. It is one of several definitions of hardness in materials science.Proposed by Swedish engineer …   Wikipedia

• Brinell-Härteprüfung — Härte ist der mechanische Widerstand, den ein Werkstoff einer mechanischen Einwirkung entgegensetzt. Je nach der Art der Einwirkung unterscheidet man verschiedene Arten von Härte. So ist Härte nicht nur der Widerstand gegen härtere Körper,… …   Deutsch 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

• Meyer hardness test — This graph shows the differences between the Brinell hardness test and the Meyer hardness test. Notice that the Brinell test can report the same hardness value for a given specimen twice depending on the load. The Meyer hardness test is a rarely… …   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

• 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