Refractory ceramic fibers imhando yezvisina kurongeka porous zvinhu zvine yakaoma micro spatial chimiro. Iyo yakaturikidzana yemafibhi haina kurongeka uye isina kurongeka, uye ichi chisina kujairika geometric chimiro chinotungamira kune kusiyana kwehunhu hwavo hwemuviri.
Fiber density
Refractory ceramic fibers inogadzirwa negirazi kunyunguduka nzira, kuwanda kwemafiber kunogona kutariswa seyakafanana neiyo density yechokwadi. Kana tembiricha yemhando iri 1260 ℃, kuwanda kwemafibers erefractory iri 2.5-2.6g/cm3, uye kana tembiricha yemhando iri 1400 ℃, kuwanda kwerefractory ceramic fibers i2.8g/cm3. Iyo polycrystalline fibers yakagadzirwa nealuminium oxide ine dhizaini yechokwadi yakasiyana nekuda kwekuvapo kwe micro pores pakati pe microcrystalline particles mukati me fiber.
Fiber dhayamita
Iyo fiber dhayamita yerefractory ceramic fibersinogadzirwa nepamusoro-tembiricha yakanyunguduka jekiseni rekuumba nzira inotangira pa2.5 kusvika 3.5 μ m. Iyo fiber dhayamita yerefractory ceramic fibers inogadzirwa nepamusoro-tembiricha yekukurumidza kuruka nzira ndeye 3-5 μ m. Iyo dhayamita yerefractory fibers haisi nguva dzose mukati merudzi urwu, uye mafiber akawanda ari pakati pe1-8 μm. Iyo dhayamita yerefractory ceramic fibers inokanganisa zvakananga kusimba uye kupisa conductivity ye refractory fiber zvigadzirwa. Kana iyo fiber dhayamita yakakura, iyo refractory fiber zvigadzirwa zvinonzwa zvakaoma kana ichibata, asi kuwedzera kwesimba kunowedzerawo kupisa kwekupisa. Muzvigadzirwa zvefiber refractory, iyo thermal conductivity uye kusimba kwemafiber zvinonyanya kuenzana. Avhareji dhayamita yealuminium polycrystalline inowanzoita 3 μ m. Iyo dhayamita yeakawanda refractory ceramic fibers iri pakati pe1-8 μ.
Nguva yekutumira: May-04-2023