Synthesis of a-SiAlON from Slag by SHS and its Reaction Behavior

Jiuxin Jiang; Weiwu Chen; Peiling Wang; Yibing Cheng; Hanrui Zhuang; Dongsheng Yan

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Synthesis of a-SiAlON from Slag by SHS and its Reaction Behavior

机译：SHS从炉渣中合成α-SiAlON及其反应行为

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The synthesis of (Ca,Mg) α-sialon powders using slag as a raw material by self-propagating high-temperature synthesis (SHS) is reported for the first time. The phase assemblages of α-sialon hot-pressed from 1450℃ to 1700℃ were investigated. Results showed that α-sialon was the main crystalline phase in the whole sintering process, however, a small amount of β-sialon appeared in the samples sintered at 1500℃ and above, indicating the instability of α-sialon powder synthesized at elevated temperature. The disappearance of β-sialon phase could be obtained with the addition of slag to the slag α-sialon powder starting material. The non-equilibrium state of the SHSed α-sialon powder was discussed.

机译：首次报道了以炉渣为原料通过自蔓延高温合成（SHS）合成（Ca，Mg）α-赛隆粉末。研究了1450℃至1700℃热压的α-赛隆相的相组成。结果表明，在整个烧结过程中α-赛隆是主要的结晶相，而在1500℃以上烧结的样品中出现少量的β-赛隆，表明合成的α-赛隆粉末在高温下不稳定。将矿渣添加到矿渣α-赛隆粉末原料中，可以获得β-赛隆相的消失。讨论了SHSedα-赛隆粉末的非平衡态。

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来源
《Key Engineering Materials》 |2003年第2003期|p.101-104|共4页
作者
Jiuxin Jiang; Weiwu Chen; Peiling Wang; Yibing Cheng; Hanrui Zhuang; Dongsheng Yan;
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作者单位

The State Key Lab. of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China P.R.;

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原文格式 PDF
正文语种 eng
中图分类工程基础科学;
关键词
α-SiAlON; β-SiAlON; SHS; Slag;

机译：α-SiAlON;β-SiAlON;SHS;炉渣;

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Synthesis of a-SiAlON from Slag by SHS and its Reaction Behavior

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