The compressive strength of aramid fiber is about one-eighth of its tensile stress. Estimate the smallest diameter of a rod on which the aramid fiber can be wound without causing kinks, etc., on its compression side. Table 2.11 Properties of reinforcement fibersPAN-based carbonSiCKevlarBoronCharacteristicHMHS49E glass CVDNicalon Al,O3 (W)Diameter (µm)7–107.6–8.6 128-14100–200 10–2020100–200Density (g/cm³)Young's modulus(GPa)1.951.751.452.553.32.63.952.6Parallel to fiber axis 39025012570430180379385Perpendicular tofiber axis122070Tensile strength(GPa)2.22.72.8–3.5 1.5–2.5 3.521.43.8Strain to0.51.02.2-1.8fracture (%)Coefficient ofthermalexpansion(10-6 K-1)Parallel to fiber axis -0.5–0.1 0.1–0.5 -2–54.75.77.58.3Perpendicular to7–127–12594.7fiber axis

The compressive strength of aramid fiber is about one-eighth of its tensile stress. Estimate the smallest diameter of a rod on which the aramid fiber can be wound without causing kinks, etc., on its compression side.

The compressive strength of aramid fiber is about one-eighth of its tensile stress. Estimate the smallest diameter of a rod on which the aramid fiber can be wound without causing kinks, etc., on its compression side.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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