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

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

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  • Available Online: August 22, 2021
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  • 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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