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A variety of hardness-testing methods are available, including the Vickers, Brinell, Rockwell, Meyer and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels .
Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Mohs hardness [1] Vickers hardness (MPa) [1] Brinell hardness (MPa) [1]
Scratch hardness. The Mohs scale of mineral hardness; The Vickers hardness test; The Brinell scale; The Janka hardness test; The Rockwell scale; The Durometer scale; The Barcol scale; The Leeb rebound hardness scale; The Rosiwal scale; The Meyer hardness test; The Knoop hardness test
The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. 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 hardness tests since the required calculations are independent of the size of the indenter, and the indenter ...
A Rockwell hardness tester. The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell test measures the depth of penetration of an indenter under a large load (major load) compared to the penetration made by a preload (minor load). [1]
The hardness number is based on the applied force divided by the surface area of the indent itself, giving hardness units in kgf/mm 2. Microindentation hardness testing can be done using Vickers as well as Knoop indenters. For the Vickers test, both the diagonals are measured and the average value is used to compute the Vickers pyramid number.
ISO 409 Metallic materials — Hardness test — Tables of Vickers hardness values for use in tests made on flat surfaces ISO 409-1:1982 Metallic materials — Hardness test — Tables of Vickers hardness values for use in tests made on flat surfaces — Part 1: HV 5 to HV 100 [Withdrawn: replaced with ISO 6507-1 and ISO 6507-4]
hardness, Rockwell, A scale: See Rockwell scale. HRB: hardness, Rockwell, B scale: See Rockwell scale. HRC: hardness, Rockwell, C scale: See Rockwell scale. HRS: hot rolled steel: HT TR: heat treat, heat treatment: H&T or H/T or HT: hardened and tempered: A form of heat treatment in which the metal is first hardened and then tempered. Compare N&T.
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