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Volume 26 Issue 6
Jun.  2019
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Seyed Esmaiel Shakib, Ramin Raiszadeh,  and Jalil Vahdati-Khaki, A Self-propagating high-temperature synthesis process for the fabrication of Fe(Cr)-Al2O3 nanocomposite, Int. J. Miner. Metall. Mater., 26(2019), No. 6, pp. 775-786. https://doi.org/10.1007/s12613-019-1779-8
Cite this article as:
Seyed Esmaiel Shakib, Ramin Raiszadeh,  and Jalil Vahdati-Khaki, A Self-propagating high-temperature synthesis process for the fabrication of Fe(Cr)-Al2O3 nanocomposite, Int. J. Miner. Metall. Mater., 26(2019), No. 6, pp. 775-786. https://doi.org/10.1007/s12613-019-1779-8
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研究论文

A Self-propagating high-temperature synthesis process for the fabrication of Fe(Cr)-Al2O3 nanocomposite

  • 通讯作者:

    Ramin Raiszadeh    E-mail: rraiszadeh@uk.ac.ir

  • Self-propagating high-temperature synthesis (SHS) was used to fabricate a Fe(Cr)-Al2O3 nanocomposite. The composite was fabricated by the reactions between the powders of Fe, Fe2O3, Cr2O3, and Al. The effect of blending ratio and mechanical activation of the initial powders and the precursor compressing pressure on the microstructure of the final product was studied by optical microscopy, scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. The significance of the effect of each of the aforementioned parameters on the quality of the composite (assessed by measuring the compressive strength and wear resistance) was determined using a full-factorial design of experiments method. The results showed that the best molar powder ratio that produced the most homogeneous product through a sustainable SHS reaction was Fe:Fe2O3:Cr2O3:Al=10:1:1:4. A lower Fe content caused the Fe(Cr) phase to melt and separate from the rest of the materials.
  • Research Article

    A Self-propagating high-temperature synthesis process for the fabrication of Fe(Cr)-Al2O3 nanocomposite

    + Author Affiliations
    • Self-propagating high-temperature synthesis (SHS) was used to fabricate a Fe(Cr)-Al2O3 nanocomposite. The composite was fabricated by the reactions between the powders of Fe, Fe2O3, Cr2O3, and Al. The effect of blending ratio and mechanical activation of the initial powders and the precursor compressing pressure on the microstructure of the final product was studied by optical microscopy, scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. The significance of the effect of each of the aforementioned parameters on the quality of the composite (assessed by measuring the compressive strength and wear resistance) was determined using a full-factorial design of experiments method. The results showed that the best molar powder ratio that produced the most homogeneous product through a sustainable SHS reaction was Fe:Fe2O3:Cr2O3:Al=10:1:1:4. A lower Fe content caused the Fe(Cr) phase to melt and separate from the rest of the materials.
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