2005
DOI: 10.1590/s0366-69132005000100002
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Fibras metálicas e sua influência no comportamento mecânico de concretos refratários durante a secagem

Abstract: A adição de fibras poliméricas pode auxiliar no aumento da resistência à explosão de concretos refratários por meio de dois mecanismos principais: aumento de permeabilidade ou reforço mecânico. Já as firas metálicas apresentam um potencial de reforço para a secagem, por manterem valores altos de resistência mecânica e de módulo de elasticidade na faixa de temperaturas crítica, entre 150 e 200 ºC. Neste trabalho, estudou-se o comportamento mecânico e de secagem de concretos contendo fibras metálicas curtas e lo… Show more

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Cited by 3 publications
(2 citation statements)
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“…6. Mechanical strength of all samples presented similar values to others reported in the literature [5,46]. After being fired at 1400 °C, all the samples had decreased their compressive strength by around 30% with respect to the strength values after being fired at 815 °C.…”
Section: Evaluation Of Castables Propertiessupporting
confidence: 86%
See 1 more Smart Citation
“…6. Mechanical strength of all samples presented similar values to others reported in the literature [5,46]. After being fired at 1400 °C, all the samples had decreased their compressive strength by around 30% with respect to the strength values after being fired at 815 °C.…”
Section: Evaluation Of Castables Propertiessupporting
confidence: 86%
“…The main advantages are that they reduce the number of joints, the material is sintered during service so the sintering process before installation is eliminated and its application is fast which reduces the halt of the plant [1,2]. Previous works have already studied the behavior of refractory castables based on alumina with stainless steel fiber reinforcement [3][4][5]. Steel fibers improve the mechanical properties of the castables, especially compressive strength, impact strength, and toughness [6].…”
Section: Introductionmentioning
confidence: 99%