Yield strength


#|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z Index  


Yield strength - short version

The stress required to produce a very slight yet specified amount of plastic strain; a strain offset of 0.002 is commonly used.



Yield strength - long version

The yield strength or yield point of a material is defined in engineering and materials science as the stress at which a material begins to deform plastically. Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed. Once the yield point is passed, some fraction of the deformation will be permanent and non-reversible. In the three-dimensional space of the principal stresses (σ1,σ2,σ3), an infinite number of yield points form together a yield surface.

Knowledge of the yield point is vital when designing a component since it generally represents an upper limit to the load that can be applied. It is also important for the control of many materials production techniques such as forging, rolling, or pressing. In structural engineering, this is a soft failure mode which does not normally cause catastrophic failure or ultimate failure unless it accelerates buckling.



Chartitnow

IQ Catch Banner

Advertising





Definition in Russian| Definition in French| Definition in Japanese| Definition in Vietnamese| Definition in Greek| Definition in Polish| Definition in Turkish| Definition in Portuguese| Definition in Hindi| Definition in Swedish| Definition in Arabic| Definition in Chinese| Definition in Dutch| Definition in Hebrew| Definition in German| Definition in Korean| Definition in Italian| Definition in Spanish| Definition in Thai|