Functionally Graded Zircon-Molybdenum Materials without Residual Stresses

Functionally Graded Zircon-Molybdenum Materials without Residual Stresses

A layered, zircon–molybdenum functionally graded material was obtained by starting from commercial powders of molybdenum (median particle size (d50) of ∼3 μm) and zircon (d50∼ 0.8 μm). Conventional processing led to a material that was free of internal residual stress. The sintering behavior of gree...

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Veröffentlicht in:Journal of the American Ceramic Society 2000-02, Vol.83 (2), p.454-456
Hauptverfasser: Torrecillas, Ramón, Espino, Ana M., Bartolomé, José F., Moya, José S.
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functionally gradient materials
molybdenum
zircon
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creator Torrecillas, Ramón
Espino, Ana M.
Bartolomé, José F.
Moya, José S.
description A layered, zircon–molybdenum functionally graded material was obtained by starting from commercial powders of molybdenum (median particle size (d50) of ∼3 μm) and zircon (d50∼ 0.8 μm). Conventional processing led to a material that was free of internal residual stress. The sintering behavior of green compacts with compositions that corresponded to the different layers was studied via dynamic sintering. The thermal expansion coefficients of each layer were measured using conventional dilatometry. The presence of residual stresses was determined using Vickers indentations. Both thermal expansion mismatch and differential shrinkage between the layers were negligible.
doi_str_mv 10.1111/j.1151-2916.2000.tb01220.x
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source Wiley Online Library Journals Frontfile Complete
subjects functionally gradient materials
molybdenum
zircon
title Functionally Graded Zircon-Molybdenum Materials without Residual Stresses
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