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The maximum strength failure criteria, as a function of degradation time, have traditionally been modeled according to first order kinetics. In this work, hyperelastic constitutive models are discussed. An example of these is shown for a blend composed of poly(L-lactide) acid (PLLA) and polycaprolactone (PCL). A numerical approach using ABAQUS is presented, which can be extended to other 3D geometries. Thus, the material properties of the model proposed are automatically updated in correspondence to the degradation time, by means of a user material subroutine. The parameterization was achieved by fitting the theoretical curves with the experimental data of tensile tests made on a PLLA-PCL blend (90:10) for different degradation times. The results obtained by numerical simulations are compared to experimental data, showing a good correlation between both results.<\/jats:p>","DOI":"10.1515\/polyeng-2012-0150","type":"journal-article","created":{"date-parts":[[2013,5,30]],"date-time":"2013-05-30T20:33:23Z","timestamp":1369946003000},"page":"293-302","source":"Crossref","is-referenced-by-count":31,"title":["Considerations for the design of polymeric biodegradable products"],"prefix":"10.1515","volume":"33","author":[{"given":"Andr\u00e9 C.","family":"Vieira","sequence":"first","affiliation":[]},{"given":"Rui M.","family":"Guedes","sequence":"additional","affiliation":[]},{"given":"Volnei","family":"Tita","sequence":"additional","affiliation":[]}],"member":"374","reference":[{"key":"ref531","first-page":"1","author":"Navarro","year":"2005","journal-title":"Acta 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