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The mechanical properties provide the definition of the behavior of the material that is being put under the action of external forces. This is an important aspect to aeronautical engineering that is also used to gain knowledge for applications developed for aircrafts. This provides an overall view of the structure of the aircraft and the maintenance aspect of it. The properties used are as follows:
► Strength,
► Stiffness,
► Specific strength and stiffness,
► Ductility,
► Toughness,
► Malleability and elasticity.