Modulus Determination of Polymer Matrix Composites: Comparison of Nanoindentation and Dynamic Mechanical Analysis Conference Paper

abstract

• ABSTRACTThe results of modulus measurements, on carbon black-filled poly(N-vinylpyrrolidone), using dynamic mechanical analysis and nanoindentation were compared. It was shown that beyond the critical pigment volume concentration for this composite system ( 25 vol% carbon black), the storage modulus, obtained with dynamic mechanical analysis, decreased with increasing filler concentration. This dropping modulus was due to porosity that developed in the composite films when the critical pigment volume concentration had been exceeded. Elastic modulus obtained with nanoindentation showed the opposite trend, with modulus increasing with additional carbon black loading. An analysis of the method used to calculate modulus based upon indentation data was performed and a mechanism was proposed to explain the disparity between the moduli obtained using these two different methods of measurement.

authors

• Grunlan, Jaime

published proceedings

• MRS Advances

author list (cited authors)

• Grunlan, J. C., Rowenhorst, D., Francis, L. F., & Gerberich, W. W.

citation count

• 4

complete list of authors

• Grunlan, Jaime C||Rowenhorst, David||Francis, Lorraine F||Gerberich, William W

publication date

• January 2000

publisher

• Springer Nature  Publisher

published in

• MRS Advances  Journal

keywords

• 34 Chemical Sciences
• 3403 Macromolecular And Materials Chemistry
• 40 Engineering
• 4016 Materials Engineering
• Bioengineering

Digital Object Identifier (DOI)

• 10.1557/proc-649-q3.5

start page

• q3.5

volume

• 649

URL

• http://dx.doi.org/10.1557/proc-649-q3.5