- Effect of Mechanical Alloying Atmosphere on Formation of AlN
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Seung-Hoon Yu, Young Lee, Kwang-Seon Shin
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J Korean Powder Metall Inst. 2005;12(3):214-219.
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DOI: https://doi.org/10.4150/KPMI.2005.12.3.214
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- In order to investigate the formation of AlN, mechanical alloying was carried out in N_2 and NH_3 atmosphere. Differential thermal analysis (DTA), x-ray diffraction (XRD) and chemical analysis were carried out to examine the formation behavior of aluminum nitrides. No diffraction pattern of AlN was observed in XRD analysis of the as-milled powders in NH_3;or;N_2 atmosphere. However, DTA and chemical analysis indicated that the precursors for AlN were formed in the Al powders milled in NH_3 atmosphere. The AlN precursors transformed to AlN after heat treatment at and above 600°C. It was considered that the reaction between Al and NH_3 was possible by the formation of fresh Al surface during mechanical alloying of Al powders.
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Citations
Citations to this article as recorded by  - Synthesis of Al/AlN Composites by Mechanical Alloying and the Effect of PCA on Their Properties
Seok-Hyeoun Kim, Yong-Jin Kim, Jung-Ho Ahn
Journal of Korean Powder Metallurgy Institute.2011; 18(3): 238. CrossRef
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