PTFE, an effective additive on the combu
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Yixiang Chen; Zhiming Lin; Jiangtao Li; Jisheng Du; Shuliang Yang
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Article
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2008
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Elsevier Science
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English
β 667 KB
Combustion synthesis (CS) of Si 3 N 4 with the addition of polytetrafluoroethylene (PTFE) was carried out at a relatively low N 2 pressure of 2 MPa. It was found that the additive PTFE promoted the nitridation of Si. The β£-Si 3 N 4 contents in the periphery of the combustion-synthesized products sho