The Effect of Curing Conditions and Fiber End Shapes on the Mechanical Properties of Composites

Ataş, Akın; Arslan, Nurettin; Türkbaş, Elim; Özdemir, Zafer

doi:10.1177/0731684408093452

Cited by 1 publication

(3 citation statements)

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“…The composite specimens that were used in this study can be approximately considered as reinforced by the unidirectional fibers. Using the rule of mixture, the average fiber stress at maximum composite strength, σ ef , can be described as 11 where σ c is the maximum composite strength, V f the fiber volume fraction, and σ m the maximum matrix strength. Note that the fiber volume fraction in all composite specimens is approximately 1% and the matrix strength is 12.4 MPa.…”

Section: Resultsmentioning

confidence: 99%

“…For example, a BSS fiber with two enlarged ends can effectively transfer load from matrix onto the fiber at both ends by matrix-fiber interlocking, hence minimizing the need for a strong interface to transfer load. 11 Zhu et al 12 studied the fracture toughness of BSS fibers. Bagwell and Wetherhold 13 studied the fracture toughness of various end-shaped copper composites fibers.…”

Section: Literature Reviewmentioning

confidence: 99%

“…For example, a BSS fiber with two enlarged ends can effectively transfer load from matrix onto the fiber at both ends by matrix–fiber interlocking, hence minimizing the need for a strong interface to transfer load. 11…”

Section: Literature Reviewmentioning

confidence: 99%

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A study on the effect of cure time–temperature and fiber shape of short fibers on impact resistance of polyester calcite composites

Özdemir

Türkbaş

2014

Journal of Reinforced Plastics and Composites

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The applications of fiber reinforced composites have grown rapidly and are now widely used in industries. In recent years, a new class of short fiber composites in which the ends of the short fibers were enlarged, have been studied. Because of their length, these short fibers are referred to as short fibers. The fabrication cost of short fiber composite is considerably lower compared to that of continuous fiber composite and that short fiber composite is more feasible from a mass production point of view when compared to continuous fiber composite. Short fiber composites are finding an increased use in commercial applications. The study consists of two main experimental parts. For this purpose, nonreinforced (no fiber) specimens and three different shaped short steel fiber reinforced polyester calcite composite specimens were cured at different curing conditions i.e. 40 C, 80 C, and 120 C for 4, 8, and 12 h separately. They were then tested according to the impact test procedure to obtain the effects of the end shapes on the mechanical properties due to the impact load. It was generally concluded that as long as the curing temperature and time increases, the impact strength increases.

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Section: Resultsmentioning

confidence: 99%