Study on the Synthesis of ZrAl3O3N and its Influencing Factors

Guang Na Wu; Rong Lin Wang; Bin Feng; Jing Long Bu

doi:10.4028/www.scientific.net/AMR.602-604.508

Paper Titles

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Pressureless Sintering of B₄C Neutron Absorbing Material with Nano-Sized Rare-Earth Compounds Addition
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Study on the Synthesis of ZrAl₃O₃N and its Influencing Factors
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 602-604Study on the Synthesis of ZrAl3O3N and its...

Study on the Synthesis of ZrAl₃O₃N and its Influencing Factors

Abstract:

Synthesis process of ZrAl₃O₃N was investigated by non-pressure sintering at 1600 °C in N₂ atmosphere according to five drafted equations. The influences of the atmosphere and material combination on the synthetic effect of ZrAl₃O₃N were preliminarily discussed by XRD. The results showed that atmosphere was a key factor that determined whether ZrAl₃O₃N could be synthesized, i.e. ZrAl₃O₃N could only be synthesized in high purity N₂ atmosphere, and that ZrAl₃O₃N was only synthesized on condition that the raw material composition included both AlN powder and nano-ZrO₂ powder. However, with increasing of AlN content, the XRD peaks of ZrAl₃O₃N and ZrN phase gradually reduced, and pure ZrAl₃O₃N was hardly obtained by in-situ reaction between AlN and ZrO₂ because of generation of ZrN as well.