Hardness Measurement

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Dominguez A Rodriguez - One of the best experts on this subject based on the ideXlab platform.

  • improvement of vickers Hardness Measurement on swnt al2o3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: Morales A Rodriguez, Gallardo A Lopez, Fernandez A Serrano, Rosalia Poyato, A. Munoz, Dominguez A Rodriguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.

Morales A Rodriguez - One of the best experts on this subject based on the ideXlab platform.

  • improvement of vickers Hardness Measurement on swnt al2o3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: Morales A Rodriguez, Gallardo A Lopez, Fernandez A Serrano, Rosalia Poyato, A. Munoz, Dominguez A Rodriguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.

Rosalia Poyato - One of the best experts on this subject based on the ideXlab platform.

  • improvement of vickers Hardness Measurement on swnt al2o3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: Morales A Rodriguez, Gallardo A Lopez, Fernandez A Serrano, Rosalia Poyato, A. Munoz, Dominguez A Rodriguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.

  • Improvement of Vickers Hardness Measurement on SWNT/Al2O3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: A. Morales–rodríguez, Rosalia Poyato, A. Gallardo Lopez, A. Fernández–serrano, Antonio Matías Moro Muñoz, A. Domínguez Rodríguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.

A. Munoz - One of the best experts on this subject based on the ideXlab platform.

  • improvement of vickers Hardness Measurement on swnt al2o3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: Morales A Rodriguez, Gallardo A Lopez, Fernandez A Serrano, Rosalia Poyato, A. Munoz, Dominguez A Rodriguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.

Fernandez A Serrano - One of the best experts on this subject based on the ideXlab platform.

  • improvement of vickers Hardness Measurement on swnt al2o3 composites consolidated by spark plasma sintering
    Journal of The European Ceramic Society, 2014
    Co-Authors: Morales A Rodriguez, Gallardo A Lopez, Fernandez A Serrano, Rosalia Poyato, A. Munoz, Dominguez A Rodriguez
    Abstract:

    Abstract Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by Spark Plasma Sintering (SPS). Single-wall carbon nanotubes (SWNTs) were distributed at grain boundaries and also into agglomerates homogeneously dispersed. Carrying out Vickers Hardness tests on the cross-section surfaces instead of top (or bottom) surfaces has shown a noticeable increase in the reliability of the Hardness Measurements. This improvement has been mainly attributed to the different morphology of carbon nanotube agglomerates, which however does not seem to affect the Vickers Hardness value. Composites with lower SWNT content maintain the Vickers Hardness of monolithic alumina, whereas it significantly decreases for the rest of compositions. The decreasing trend with increasing SWNT content has been explained by the presence of higher SWNT quantities at grain boundaries. Based on the results obtained, a method for optimizing Vickers Hardness tests performance on SWNT/Al 2 O 3 composites sintered by SPS is proposed.