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Effect of fiber diameter variation on properties of cement-based matrix fiber reinforced composites

✍ Scribed by Victor C. Li; Karthikeyan Obla

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
777 KB
Volume
27
Category
Article
ISSN
1359-8368

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✦ Synopsis

Depending on process route, fibers for composite reinforcement typically have some degree of variation in diameter. This paper examines the effect of varying fiber diameter on properties of cement-based matrix composites such as first crack strength, fracture energy, and ultimate tensile strength. The analytical development of fiber bridging action across matrix cracks accounts for fibers that pull-out and fibers which rupture. Model calculations reveal that within reasonable limits, composite properties should not decay due to fiber diameter variations.

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