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填料组成对气压烧结Si3N4系陶瓷的影响

蒋国新,  王声宏

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文章导航 > 粉末冶金技术  > 1992 >  10(4): 270-273
蒋国新, 王声宏. 填料组成对气压烧结Si3N4系陶瓷的影响[J]. 粉末冶金技术, 1992, 10(4): 270-273.
引用本文: 蒋国新, 王声宏. 填料组成对气压烧结Si3N4系陶瓷的影响[J]. 粉末冶金技术, 1992, 10(4): 270-273.
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Jiang Guoxin, Wang Shenghong. INFLUENCE OF FILLER COMPOSITIONS ON GAS PRESSURE-SINTERED Si3N4 SERIES CERAMICS[J]. Powder Metallurgy Technology, 1992, 10(4): 270-273.
Citation: Jiang Guoxin, Wang Shenghong. INFLUENCE OF FILLER COMPOSITIONS ON GAS PRESSURE-SINTERED Si3N4 SERIES CERAMICS[J]. Powder Metallurgy Technology, 1992, 10(4): 270-273.
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填料组成对气压烧结Si3N4系陶瓷的影响

  • 冶金部钢铁研究总院, 北京 100081

INFLUENCE OF FILLER COMPOSITIONS ON GAS PRESSURE-SINTERED Si3N4 SERIES CERAMICS

  • Central Iron and Steel Research Institute, Beijing 100081, China

    摘要
  • 摘要: 研究了在气压烧结条件下填料组成对Si3N4陶瓷致密化的影响,制造了高密度、高强度的β-Sialon陶瓷材料。结果表明,用Si3N4+BN+MgO或Si3N4+SiO2作填料,能有效地抑制Si3N4的分解,促进β-Sialon陶瓷的烧结。结合X-ray、SEM分析,探讨了β-Sialon陶瓷的致密化机理。
    Abstract: Influence of filler compositions on the densification of Si3N4 ceramics under the condition of gas pressure-sintering have been studied and the β-Sialon ceramic materials with high density and high strength have been manufactured. Results show that taking advantages of Si3N4+BN+MgO or Si3N4+SiO2 as filler can effectively control the decomposition of Si3N4 and promote the sintering of β-Sialon ceramics. Densificating mechanism of β-Sialon has been discussed in combination with X-ray and SEM analysis.
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