Synthesis and oxidation of Zr3Al3C5 powders
He, L. F.; Zhou, Y. C.; Bao, Y. W.; Wang, J. Y.; Li, M. S.
Corresponding AuthorZhou, Y. C.(
AbstractPredominantly single phase Zr3Al3C5 powders were synthesized in an Ar atmosphere using Zr-Al intermetallics and graphite as starting materials. The reaction path of Zr3Al3C5 synthesis was discussed based on differential scanning calorimetry and X-ray diffraction results. Lattice parameters of Zr3Al3C5 determined using the Rietveld method are a = 3.347 angstrom and c = 27.642 angstrom. In addition, the oxidation of Zr3Al3C5 powders was tested by using thermogravimetry-differential scanning calorimetry. The starting and complete oxidation temperatures are 400 degrees C and 1200 degrees C, respectively. These temperatures are much higher than those for ZrC, suggesting that Zr3Al3C5 has better oxidation resistance than ZrC. On the other hand, the oxidation degree of Zr3Al3C5, defined for the complete carbideoxide transformation, overshot 100% during oxidation. This overshooting is attributed to the formation of amorphous carbon. The phase evolution during the oxidation of Zr3Al3C5 was also investigated.
KeywordZr3Al3C5 ZrC oxidation XRD DSC
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000244175800002
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Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhou, Y. C.
Affiliation1.Chinese Acad Sci, Met Res Inst, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
Recommended Citation
GB/T 7714
He, L. F.,Zhou, Y. C.,Bao, Y. W.,et al. Synthesis and oxidation of Zr3Al3C5 powders[J]. INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2007,98(1):3-9.
APA He, L. F.,Zhou, Y. C.,Bao, Y. W.,Wang, J. Y.,&Li, M. S..(2007).Synthesis and oxidation of Zr3Al3C5 powders.INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,98(1),3-9.
MLA He, L. F.,et al."Synthesis and oxidation of Zr3Al3C5 powders".INTERNATIONAL JOURNAL OF MATERIALS RESEARCH 98.1(2007):3-9.
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