Investigation of Nanomechanical Properties of the Interphase in a Glass Fiber Reinforced Polyester Composite Using Nanoindentation

[+] Author and Article Information
Sanjeev K. Khanna

Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO 65211

P. Ranganathan, S. B. Yedla, R. M. Winter

Department of Chemistry and Chemical Engineering, South Dakota School of Mines and Technology, Rapid City, SD 57701

K. Paruchuri

Department of Mechanical Engineering, South Dakota School of Mines and Technology, Rapid City, SD 57701

J. Eng. Mater. Technol 125(2), 90-96 (Apr 04, 2003) (7 pages) doi:10.1115/1.1543966 History: Revised May 03, 2002; Received September 07, 2002; Online April 04, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Section analysis of a GFRP sample surface using the AFM
Grahic Jump Location
A typical load-penetration curve obtained during nano-indentation of a fused quartz sample
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Elastic modulus of fused quartz as a function of contact depth for different indenter loads
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Elastic modulus versus contact depth in the polyester matrix
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Variation of Elastic modulus with the distance from the fiber surface for various silane coated glass fiber polyester samples for (a) distance greater than 0.75 μm and (b) distance less than 0.75 μm
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Surface plot showing pile-up of polymer in P17OTSF sample during indentation with a Berkovich tip (a) low magnification view, and (b) high magnification view
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Surface plot of GFRP sample using the AFM




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