TY - GEN
T1 - Analytical and statistical approaches to flexural behavior for epoxy resin materials
AU - Yekani Fard, Masoud
AU - Chattopadhyay, Aditi
AU - Liu, Yingtao
PY - 2012
Y1 - 2012
N2 - A piecewise-linear parametric uniaxial stress strain approach has been used to obtain the nonlinear moment curvature curve and load deflection response based on strain compatibility in bending for epoxy resin materials. It has been shown that the direct use of tension and compression stress strain models underestimates the flexural strength of epoxy resin materials in three point bending and round plate setup. The Weibull parameters were estimated using linear regression method. Fifty-two smallsized three point bending samples with grooves in the middle of epoxy resin Epon E863 were tested at room temperature. The accurate flexural over-strength factor obtained from the analytical simulation is less than the estimation predicted by the two-parameter Weibull model.
AB - A piecewise-linear parametric uniaxial stress strain approach has been used to obtain the nonlinear moment curvature curve and load deflection response based on strain compatibility in bending for epoxy resin materials. It has been shown that the direct use of tension and compression stress strain models underestimates the flexural strength of epoxy resin materials in three point bending and round plate setup. The Weibull parameters were estimated using linear regression method. Fifty-two smallsized three point bending samples with grooves in the middle of epoxy resin Epon E863 were tested at room temperature. The accurate flexural over-strength factor obtained from the analytical simulation is less than the estimation predicted by the two-parameter Weibull model.
UR - http://www.scopus.com/inward/record.url?scp=84881428731&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84881428731&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84881428731
SN - 9781600869372
T3 - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
BT - 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
T2 - 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Y2 - 23 April 2012 through 26 April 2012
ER -