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Al_2O_3-SiO_2系多晶耐火纤维是高温工业炉的高效绝热和节能材料,又是金属基和陶瓷基复合材料的增强材料。但是,要合理选择和使用这类材料,必须了解其在加热过程中的性能劣化过程。为此,作者自制了三种不同 Al_2O_3 含量的 Al_2O_3-SiO_2 系多晶耐火纤维,即 A_(72)(Al_2O_3 71.60%,SiO_2 27.60%)、A_(80)(Al_2O_3 80.50%,SiO_219.10%)和 A_(95)(Al_2O_3 94.70%,SiO_2 4.9%)。将三种纤维分别制成毡样,在
Al_2O_3-SiO_2 polycrystalline refractory fiber is a high-temperature industrial furnace efficient thermal insulation and energy-saving materials, but also metal-based and ceramic matrix composites reinforced materials. However, to properly select and use such materials, it is necessary to understand its performance degradation process during heating. For this reason, three kinds of Al 2 O 3 -SiO 2 polycrystalline refractory fibers with different Al 2 O 3 contents were prepared by the authors, namely A 72 (Al 2 O 3 71.60%, SiO 2 27.60%), A 80 (Al 2 O 3 80.50%, SiO 2 19.10%), And A_ (95) (Al_2O_3 94.70%, SiO_2 4.9%). The three fibers were made into felt-like, in