Description of the non-linear shear behaviour of a low density polyethylene melt by means of an experimentally determined strain dependent memory function Export

@article{citeulike:3518028, abstract = {Summary The applicability of a single integral constitutive equation with strain dependent memory function for the description of the nonlinear shear behaviour of a LDPE melt is examined. The generalized memory function is expressed as a product of Lodge's rubberlikeliquid memory function and a damping function h(?t, t'). characterizes the time dependence of the linear viscoelastic behaviour and is determined by measurements of the frequency dependence of the complex shear modulus. The damping function describes the nonlinearity of the shear behaviour and can directly be determined by measurements of the shear relaxation modulus. From the temperature invariance of the damping function it follows that also in the nonlinear range a variation of temperature only corresponds to a shift in time scale which can be described by the shift factoraT(T).}, author = {Laun, H. M.}, citeulike-article-id = {3518028}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/BF01567859}, citeulike-linkout-1 = {http://www.springerlink.com/content/r15jk47856742665}, day = {1}, doi = {10.1007/BF01567859}, journal = {Rheologica Acta}, keywords = {1978, lab3, ldpe, ldpe1, viscoelastic}, month = {January}, number = {1}, pages = {1--15}, posted-at = {2008-11-15 04:44:08}, priority = {2}, title = {Description of the non-linear shear behaviour of a low density polyethylene melt by means of an experimentally determined strain dependent memory function}, url = {http://dx.doi.org/10.1007/BF01567859}, volume = {17}, year = {1978} }

TY - JOUR ID - citeulike:3518028 L3 - citeulike-article-id:3518028 N2 - Summary The applicability of a single integral constitutive equation with strain dependent memory function for the description of the nonlinear shear behaviour of a LDPE melt is examined. The generalized memory function is expressed as a product of Lodge's rubberlikeliquid memory function and a damping function h(?t, t'). characterizes the time dependence of the linear viscoelastic behaviour and is determined by measurements of the frequency dependence of the complex shear modulus. The damping function describes the nonlinearity of the shear behaviour and can directly be determined by measurements of the shear relaxation modulus. From the temperature invariance of the damping function it follows that also in the nonlinear range a variation of temperature only corresponds to a shift in time scale which can be described by the shift factoraT(T). IS - 1 JF - Rheologica Acta EP - 15 TI - Description of the non-linear shear behaviour of a low density polyethylene melt by means of an experimentally determined strain dependent memory function VL - 17 SP - 1 KW - 1978 KW - lab3 KW - ldpe KW - ldpe1 KW - viscoelastic AU - Laun, HM PY - 1978/01/01/ UR - http://dx.doi.org/10.1007/BF01567859 ER -