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- W2560528058 abstract "以ZrSi2颗粒填充硼酚醛树脂制备了一种耐高温且裂解后结构较为完整的泡沫复合材料。研究了ZrSi2颗粒质量分数对泡沫复合材料固化机制、高温裂解行为及裂解前后压缩性能的影响,并分析了ZrSi2颗粒对泡沫复合材料裂解产物的增强机制。结果表明:添加的ZrSi2颗粒虽未参与硼酚醛树脂的固化交联,但会和硼酚醛树脂裂解放出的气体挥发物发生化学反应,提高了裂解产物的残炭率和压缩比强度。当添加的ZrSi2颗粒质量为硼酚醛树脂质量的10%时,裂解产物的残炭率和压缩比强度提高最为显著。ZrSi2/硼酚醛泡沫经过裂解后,ZrSi2颗粒作为第二相粒子钉扎在裂解产物的孔壁上,化学反应使得部分裂解气体挥发物被吸收并转化为固相产物,明显减少的缺陷提高了裂解产物的力学性能。" @default.
- W2560528058 created "2016-12-16" @default.
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- W2560528058 date "2016-10-15" @default.
- W2560528058 modified "2023-09-22" @default.
- W2560528058 title "ZrSi 2 /硼酚醛泡沫的制备及其裂解产物的增强机制" @default.
- W2560528058 doi "https://doi.org/10.13801/j.cnki.fhclxb.20151218.002" @default.
- W2560528058 hasPublicationYear "2016" @default.
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