Peer-Reviewed Journal Details
Mandatory Fields
Leen, SB,Stoyanov, M
2009
August
Int J Mater Form
FINITE ELEMENT MODELLING OF DAMAGE IN SUPERPLASTIC FORMING OF A TITANIUM ALLOY
Published
()
Optional Fields
superplastic forming Ti-6Al-4V damage mechanics failure prediction
2
287
290
This paper describes the application of a continuum damage mechanics methodology to the prediction of failure during superplastic forming of Ti-6Al-4V. A power law constitutive relationship is employed within a geometrically non-linear finite element model of the forming process and a user subroutine is developed to implement the damage mechanics approach. The damage constants are identified from uniaxial rupture strains from constant strain-rate tests. The multiaxial implementation is successfully used to predict damage evolution during forming of a truncated cone and is shown to predict results consistent with the experimental results from forming trials.
DOI 10.1007/s12289-009-0569-7
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