Determination of mode of damage during creep-fatigue interaction

Article Abstract:

A technique is developed using the reversing dc electrical potential method to determine the mode of damage taking place during creep-fatigue interaction. It is observed that the hysteresis loop created by plotting the stress verses electrical potential gives a clear indication whether the damage in process is creep dominated or fatigue dominated.

Hysteresis, Hysteresis (Physics), Flow (Dynamics)

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Practical methods for the design of sheet formed components

Article Abstract:

It is demonstrated that simple design methods could be devised for use with commercial FE programs, without programming access, making the methods attractive for practical implementation. The construction of prototype dies, production of parts, and inspection of tolerances verified the designs.

Sheet-metal, Sheet metal, Thermal properties, Mechanics, Engineering mechanics

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A slip-based model for strength evolution during cyclic loading

Article Abstract:

Strain-hardening processes associated with multiaxial cyclic plasticity are complicated, especially in materials like SS304L. An effort is made to capture the effects of these processes on strain hardening through the evolution equation for the slip-system strengths.

Cyclic compounds, Crystal whiskers

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