Mechanical properties of very thin cover slip glass disk |
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Authors: | A Seal A K Dalui M Banerjee A K Mukhopadhyay K K Phani |
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Affiliation: | (1) Central Glass and Ceramic Research Institute, 700 032 Kolkata, India |
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Abstract: | The biaxial flexural strength, Young’s modulus, Vicker’s microhardness and fracture toughness data for very thin, commercial,
soda-lime-silica cover slip glass (diameter, D-18 mm, thickness, T-0.3 mm; T/D ≈ 0.02) are reported here. The ball on ring
biaxial flexure tests were conducted at room temperature as a function of the support ring diameter (≈ 10–20 mm) and cross
head speed (0.1–10 mm min−1). In addition, the Weibull modulus data were also determined. The Young’s modulus data was measured using a linear variable
differential transformer (LVDT) from biaxial flexure tests and was checked out to be comparable to the data obtained independently
from the ultrasonic time of flight measurement using a 15 MHz transducer. The microhardness data was obtained for the applied
load range of 0.1–20 N. The fracture toughnessK
IC data was obtained by the indentation technique at an applied load of 20 N. |
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Keywords: | Biaxial flexural strength Young’ s modulus fracture toughness Weibull modulus |
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