Mechanical Testing

Mechanical testing

Mechanical testing is an umbrella term that covers a wide range of tests, which can be divided broadly into two types:

  • those that aim to determine a material's mechanical properties, independent of geometry.
  • those that determine the response of a structure to a given action, e.g. testing of composite beams, aircraft structures to destruction, etc.

Mechanical testing of materials

Tensile test. A standard specimen is subjected to an gradually increasing load (force) until failure occurs. The resultant load-displacement behaviour is used to determine a stress–strain curve, from which a number of mechanical properties can be measured.

There exists a large number of tests, many of which are standardized, to determine the various mechanical properties of materials. In general, such tests set out to obtain geometry-independent properties; i.e. those intrinsic to the bulk material. In practice this is not always feasible, since even in tensile tests, certain properties can be influenced by specimen size and/or geometry. Here is a listing of some of the most common tests:[1]

References

  1. ^ Ed. Gale, W.F.; Totemeier, T.C. (2004), Smithells Metals Reference Book (8th Edition), Elsevier

General references

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