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Saturday, 3 October 2015

DESTRUCTIVE TESTS (MECHANICAL TESTS)

             As the name suggests, Destructive testing (DT) includes methods where your material is broken down in order to determine mechanical properties, such as Strength, Toughness and Hardness. In practice it means, for example, finding out if the quality of a weld is good enough to withstand extreme pressure or to verify the properties of a material.

              The following important mechanical tests give valuable information about metals and alloys as given below:

1
tensile strength, yield strength, elastic limit, young’s modulus, Ductility, toughness etc
2
toughness of a material under shock loading condition.
3
wear resistance, indentation resistance, scratch resistance or cutting ability  of material. 
4
Behavior of a material under repeatedly applied stress and its endurance limit.
5
Behavior of a material under a steady load over a long period of time and creep limit of a material.

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