Creep behavior of MoSi2 and MoSi2 + SiC composite

MoSi2 + SiC composites were generally developed to increase the fracture toughness compared to MoSi2. However, the fracture toughness has not been improved by the addition of SiC particles because the SiC particles themselves or their clusters are the strength-degrading fracture origins. The aim of...

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Veröffentlicht in:	Journal of materials science 2004-06, Vol.39 (12), p.4073-4077
Hauptverfasser:	HVIZDOS, P, DUSZA, J, STEINKELLNER, W, KROMP, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Condensed matter: structure, mechanical and thermal properties Creep Creep (materials) Exact sciences and technology Materials science Mechanical and acoustical properties of condensed matter Mechanical properties of solids Molybdenum disilicides Physics Structural ceramics Technical ceramics
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Beschreibung
Zusammenfassung:	MoSi2 + SiC composites were generally developed to increase the fracture toughness compared to MoSi2. However, the fracture toughness has not been improved by the addition of SiC particles because the SiC particles themselves or their clusters are the strength-degrading fracture origins. The aim of the present work was to study and compare the creep behavior of monolithic MoSi2 and MoSi2 + SiC composite and to investigate the influence of the SiC particles on the creep mechanisms in the temperature range 1100-1200DGC in air.
ISSN:	0022-2461 1573-4803
DOI:	10.1023/B:JMSC.0000031499.17440.17