Nanoscale mechanical characterization of glass fibers

• Published in: Materials letters Vol. 29; no. 4; pp. 215 - 220
• Main Authors: Li, Xiaodong, Bhushan, Bharat, McGinnis, Peter B.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.12.1996; Elsevier
• Subjects: Applied sciences; Building materials. Ceramics. Glasses; Chemical industry and chemicals; Exact sciences and technology; Fibers; Glass; Glass fibers; Glasses; Hardness; Micromechanical properties; Young's modulus of elasticity; Young's modulus of elasticity; Micromechanical properties; Hardness; Glass; Fibers; Elastic modulus; Fluorine; E glass; Mechanical properties; Tensile strength; Titanium Oxides; Young modulus; Iron Oxides; Aluminium Oxides; Potassium Oxides; Boron Oxides; Silicon Oxides; Sodium Oxides; Calcium Oxides; Glass fiber; Magnesium Oxides
• ISSN: 0167-577X; 1873-4979
• DOI: 10.1016/S0167-577X(96)00154-1

The hardness and elastic modulus of E- and S-glass fibers with small diameters (8 to 20 μm) have been measured by nanoindentation. As expected, the hardness and elastic modulus of S-glass fibers was found to be greater than those of E-glass fibers. As compared with E-glass fibers, S-glass fibers exhibit higher resistance to plastic deformation. The change in diameter of E-glass fibers does not affect the hardness and elastic modulus. No change in hardness and elastic modulus across diameters was observed for both E-and S-glass fibers. The present work shows that nanoindentation is a very powerful method for studying mechanical properties of small diameter glass fibers or short glass fibers of which the mechanical properties cannot be measured in fiber form using conventional mechanical testing techniques.