HauoraMau faaineineraa

Carbide konumohe

Konumohe carbide Ko te waro pararopi-rua ki te konumohe pūhui. Ko tōna tātai matū rite te Al4C3 Tuhituhi, titiro reira rite te karaihe kōwhai parauri ranei koma he tukutuku hanganga matatini. He mea e taea ki te tu atu i te ara i roto i te pāmahana ki te 1400 ° C i te mātotoru o 2.36 g / cm³. Hei wāhanga o tona ripekapeka o ngā ngota waro e hakari rite tīhiko waro motuhake. rite tēnei pūhui e te tauhohenga tika o te waro ki te konumohe i roto i te oumu pewa, ko reira ano hoki te nui iti o poke reira i roto i te konupūmā carbide takenga hangarau.

Carbide konumohe: Āhuatanga me Taupānga

production konumohe -hiko tā wehe o te pūhui rite te hua te waikura i roto i electrodes graphite. I roto i te take i reira tali te carbide konumohe te ki te wai ranei waikawameha, i hanga mewaro te. I tua atu, tauhohe te pūhui ki hāora me te hauwai, a i roto i te take o te tauhohe ki te wai, me te aro i te konutai waihā i hanga tote matatini, ka karanga tetragidroksoalyuminatom te mewaro me te konutai. Noatia, He te pūhui āhuatanga ōkiko motuhake, e pā ana te reira ki te kuputohu atatāhapa e pā ana ki te raina-D konutai, a ka tae 20 ° C. I te wa ano tango ki pūkete te paerewa pūngao Gibbs me te piraunga paerewa o hanganga, nga tohu 196 ka tae 88,95Dzh / mol / K. Ko taea rite hua e hiahiatia i roto i tauhohe matū matatini faaineineraa o tenei pūhui.

I roto i ngā, composites whakarewa kopu e hāngai ana i runga i konumohe kopu, me te whakapakaritia ki carbides whakarewa pērā i boron carbide me silicon carbide, kia whai wāhi ki te carbide konumohe hei huānga houhou. Ko te taea he āhuatanga pērā i roto i te take o te muka waro, e, ka tomo ki te tauhohenga ki te kopu konumohe i pāmahana rawa 500 ° C, whakarato hoki te pūhui whāinga. I roto i te wahi o te tauhohenga matū i waenganui i konumohe, me te kahu carbide silicon maka pea he carbide o te konumohe, ka hipokina e te carbide matūriki silicon me te whakaiti i rauemi kaha.

Heoi, e taea te heke tenei pānga mā te pani i te matūriki silicon waikura tika preoxidation ranei mo te hanga takawai paninga. Ki te tāutu i te nui kei te wai tritium, i raro i te pūhui te ki paparetanga, hua i roto i te mewaro konumohe carbide. I roto i tenei take, whakamahia te pūhui te rite kaiwhakahohe matū i roto i te tauhohe ki te pūhui iri ki te wai e homai tritium me te mewaro. Konumohe carbide, marara i runga i te kopu konumohe, āwhina ki te tiaki i te kiato o te rauemi, rawa, ki te te ngā reira ki te matūriki o silicon carbide.

rauemi Composite taea te whiwhi o te konumohe carbide roto alloys aunoa i runga i konumohe paura me matūriki graphite. Me ki tenei pūhui whakamahia te rite te auaha ki taputapu tapahi nui-tere, hoatu ratou he pakeke o te topaha. Tētahi atu mara o tono ko te pūhui o pyrotechnics, konei taea reira ki te whiwhi i te pānga o te firefly, e hua i roto i te takanga nui o korakora. Kia mahara e i ngā wā rerekē i roto i pyrotechnics, kua tonu i whakamahia e ia ki rerekē kaha. I roto i te whānui, kua kite i tenei pūhui whānui tono i roto i te ahumahi matū me te hanga mara. Ko e tika ana ki te āhuatanga matū o te carbide konumohe tenei, whakarato ona āhuatanga ahurei e kore e āhuatanga o ētahi atu momo o te rōpū pūhui carbide e.

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