2001
DOI: 10.3989/cyv.2001.v40.i1.756
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Materiales compuestos C/SiC para aplicaciones estructurales de alta temperatura. Parte II: Sistemas de protección contra la oxidación

Abstract: La utilizaci-n de los materiales compuestos C/SiC en aplicaciones estructurales a alta temperatura est ‡ limitada por la elevada velocidad de oxidaci-n de la fibra de carbono a temperaturas superiores de 450¼C. En esta segunda parte del trabajo se realiza una revisi-n de las posibilidades de protecci-n contra la oxidaci-n de estos materiales, incluyendo inhibidores, modificaci-n superficial del material compuesto, recubrimientos e infiltraci-n previa del sustrato. La eficacia de los inhibidores de la reacci-n … Show more

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Cited by 7 publications
(3 citation statements)
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“…So the desirable C f /SiC-Al composites should have an excellent thermal conductance vertical to the contact areas, and a low thermal expansion parallel to the function surface. The TRS demonstrate that the high-temperature applications of C f /SiC-Al composites is closely related to their strength and thermophysical properties [13][14][15][16][17][18][19][20][21][22][23]. Up to now, for C f /SiC infiltrated with Al alloy, the research on mechanical properties was only focused on the unidirectional compression strength, while the anisotropy bending strength and thermophysical property of such composites have not been revealed so far.…”
Section: Introductionmentioning
confidence: 99%
“…So the desirable C f /SiC-Al composites should have an excellent thermal conductance vertical to the contact areas, and a low thermal expansion parallel to the function surface. The TRS demonstrate that the high-temperature applications of C f /SiC-Al composites is closely related to their strength and thermophysical properties [13][14][15][16][17][18][19][20][21][22][23]. Up to now, for C f /SiC infiltrated with Al alloy, the research on mechanical properties was only focused on the unidirectional compression strength, while the anisotropy bending strength and thermophysical property of such composites have not been revealed so far.…”
Section: Introductionmentioning
confidence: 99%
“…Se consideran materiales inhibidores aquellos que reducen la velocidad de reacción entre el carbono y el oxígeno por obstrucción y blocaje de los puntos activos de la fibra de carbono (10).…”
Section: Introductionunclassified
“…Dentro de este grupo de materiales se encuentran los materiales cerámicos monolíticos, los materiales compuestos de matriz cerámica y los intermetálicos. Sin embargo, solamente los materiales cerámicos reforzados con fibras muestran una fractura no catastrófica junto con una importante reducción de peso (1)(2)(3).…”
Section: Introductionunclassified