Abstract It is proposed that curves of metal creep be approximated by the time-relative linear law with the initial creep strain discontinuity; as a result, the solution of initial boundary value rheological problems is considerably simplified and is characterized by the adequate precision with a large service life. The labor intensity of computations is similar to the steady-state creep law. The introduction of functional material constants makes it possible to perform calculations of creep under the action of temperature that is different from the specified one in the basic experiments as well as calculations of nonuniformly heated structure elements.
Metal creep model with the initial strain discontinuity and functional material constants
Russian Aeronautics (Iz VUZ) ; 52 , 1 ; 30-36
2009-03-01
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Metal creep model with the initial strain discontinuity and functional material constants
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