Types of testing metals
The technique of the tests of metals and alloys
Are you interested in types of tests of metals and alloys? The fatigue test is performed on special machines where the samples are subjected to repeated variable load (up to 10 million cycles or shifts of the load, for example, tension-compression, alternating bending, alternating torsion).
Testing metals for fatigue (endurance)
Without testing the strength of the tested materials. In practice there may be cases of destruction of samples under load less than the tensile strength. This is possible when the load is re-variable in nature, for example, when the tension is replaced by compression. The cause of the destruction under repeated alternating loads is called fatigue, and the ability to withstand the specified load — endurance.
The test for abrasion
Are metals, intended for moving parts: cylinders, bearings, braking devices, etc. Method is that the surface of friction parts is applied to the imprint of the diamond pyramid used for testing for hardness. As they wear, the dimensions of the print are reduced, and this serves as a measure of the wear parts.
Hydraulic testing machine
Universal testing machine hydraulic SMT, WES-B, WEW-B, WAW-B, WAW-E is designed to measure forces, displacements and deformations during the test of metal and nonmetal materials tensile, compression, bending and shear in static loading.
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