1999
DOI: 10.3989/cyv.1999.v38.i2.966
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Determinación de la presencia de fatiga mecánica en materiales cerámicos

Abstract: INTRODUCCIîN Materiales cer ‡micos avanzadosLos materiales cer ‡micos son candidatos para varias aplicaciones estructurales, puesto que presentan buena resistencia frente a la corrosi-n en medios agresivos, mantienen sus propiedades mec ‡nicas a temperaturas elevadas (superiores a los 1000 ¼C) y ofrecen una buena relaci-n resistencia/peso. En cambio, el principal problema es su fragilidad intr'nseca y la dificultad en controlar y detectar los defectos producidos durante su procesamiento. Con el fin de aumentar… Show more

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Cited by 3 publications
(2 citation statements)
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“…When the materials are in use, these stresses may imply not only static or variable loads, eventually combined with corrosion processes (8,9) but also temperaturerelated dilatational stresses (10,11). Frictional stresses, which occur during the interaction of solid surfaces in movement, are the object of tribology.…”
Section: Fracture Toughnessmentioning
confidence: 99%
See 1 more Smart Citation
“…When the materials are in use, these stresses may imply not only static or variable loads, eventually combined with corrosion processes (8,9) but also temperaturerelated dilatational stresses (10,11). Frictional stresses, which occur during the interaction of solid surfaces in movement, are the object of tribology.…”
Section: Fracture Toughnessmentioning
confidence: 99%
“…The average strength calculated from of the experimental results and the value of Γ(1+1/m)= Γ(1+1/10)=0,9514 is 390MPa. According to equations [8][9] (f(10)=1.45, 1.73 for 4 and 3-point bending, respectively), if during the experiments beams of 3x4x40mm 3 of the material had been tested in uniaxial tension, the average strength value that would have been obtained (269MPa) would have been 30% lower and, if the tests had been done in three-point bending, with a distance of 40mm between supports, the average value obtained would have been 20% higher.…”
Section: Distribution Of Strength Valuesmentioning
confidence: 99%