Rockwell hardness test   (translated from Chinese)
Rockwell hardness test Rockwell hardness testIs simple, the rapid degree of ...
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Vickers hardness test
Vickers hardness test The Vickers hardness test was developed in the early 1920s and ... various size are applied, depending on the hardness of the material to be measured. ...
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Brinell hardness test
Brinell hardness test The Brinell scale characterises 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. Brinelling refers to ...
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Hardness   (translated from German)
Hardness Hardness is the mechanical resistance, which a body ... the penetration of another, harder body. The hardness of a body permits conclusions on various ... milling head or turning tool is the hardness of special importance, because hard cuts remain ... accent setting finds the term of the hardness in that Solid-state physics, that ...
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Hardness
Hardness For the mathematical concept of the difficulty ... etc., see computational complexity theory. For water hardness, see hard water. In materials science, hardness is the characteristic of a solid material expressing its resistance to permanent deformation. Hardness can be measured on the Mohs scale ... There are three principal operational definitions of hardness: Scratch hardness Indentation hardness Rebound, dynamic ...
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Hardness   (translated from Russian)
Hardness Hardness - the property of material to resist the ... it is below) Methods of measuring the hardness For measuring the hardnesses there are several ... scales (methods of measurement): Brinell's method - hardness is determined along the diameter of imprint ... the metallic ball, pressed into the surface. Hardness is calculated as the relation of ...
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Hardness (material)   (translated from French)
Hardness (material) With the difference of the minerals whose hardness is historically characterized by scratching (cf Échelle ... of bounce or penetration to characterize the hardness of métaux . These tests have the advantage ... and of giving reproducible results. Synopsis Measure hardness by bounce: Shore test One lets fall a height well ...
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Hardness   (translated from French)
Hardness hardness of one mineral is its capacity to ... of Mohs , by comparison with standard materials. hardness of one métal is its capacity to ... the deformation. One determines it with the test facility standardized (Brinell, Vickers, Rockwell) by measuring the depth of the ...
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Rockwell scale
Rockwell scale The Rockwell scale characterises the indentation hardness of materials through the depth of penetration ... It is one of several definitions of hardness in materials science. It is typically used ... the "B", and "C" scales. Both express hardness as an arbitrary dimensionless number. The ...
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Mechanical test   (translated from French)
Mechanical test This article is one outline to supplement ... the material is made; one speaks aboutstandardized test-tube ; How the efforts on the test-tube are exerted; one speaks aboutstandardized test. Synopsis Uniaxial traction Principle Examples of tensile specimens out of aluminium alloy The test-tube is held in two points ( ...
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