I totonu o fale gaosi oloa, o meafaigaluega e masani ona feagai ma luitau ogaoga o le siosiomaga, ma o le ofuina ma le loimata o se tasi lea o luitau tele. O le ofuina ma le masaesae e le gata e faʻaitiitia ai le faʻatinoga ma le lelei o meafaigaluega, ae e mafai foi ona oʻo atu ai i le faʻaletonu o meafaigaluega, faʻateleina tau o le tausiga ma le taʻavale. O le tulai mai ofa'alava fa'alavalava fa'alava fa'alavae pei o se leoleo e le vaaia, tetee i le ofuina ma faʻalauteleina le ola tautua o meafaigaluega. I aso nei, o le a tatou tatalaina lona veli lilo ma su'esu'e i lana mataupu faavae galue.
Silicon carbide (SiC) o se tuufaatasiga e aofia ai elemene e lua, silicon ma carbon. O lona fausaga tioata e matua tulaga ese lava, faatasi ai ma iunite faavae o loʻo faʻapipiʻiina SiC ma CSi tetrahedra. O lenei fausaga mautu ma mautu e maua ai le silicon carbide ma le tele o mea e sili ona lelei, e pei o le lelei o le vevela, teteʻe o le corrosion, maualuga le maaa, ma le faʻaogaina o le ofuina, ma avea ai ma mea lelei mo le faʻaogaina o laʻei faʻafefe.
O lea la, e fa'afefea ona fa'aogaina le fa'alava fa'alava e fa'afefeteina fa'ama'i sintered silicon carbide ceramics?
Malosi maualuga e tete'e ai le ofuina: Reaction sintered silicon carbide ceramics e ultra-high hardness, lona lua i taimane. Pe a aʻafia pe paʻu ni mea i fafo i le puipui i totonu o meafaigaluega, o le ufiufi faʻafefete, ma lona malosi maualuga, e mafai ona faʻamalosia lelei le faʻaleagaina o nei malosiaga i fafo, e pei o se talipupuni malosi, faʻaitiitia ai le maualuga o le ofuina o meafaigaluega ma faʻalauteleina le ola tautua o meafaigaluega.
Lelei mautu vailaʻau faʻasaga i le aʻa: I le tele o faʻataʻitaʻiga faʻapisinisi, e le gata o mea faigaluega e faʻafefe ma masaesae, ae faʻafesoʻotaʻi ma vailaʻau eseese, e lamatia ai le pala. Reaction sintered silicon carbide ceramics e lelei le mautu o vailaʻau ma e mafai ona puipuia lelei le pala e vailaʻau vailaʻau, ma faʻamautinoa ai le faʻaogaina masani o le laʻei faʻafefe i totonu o siosiomaga vailaʻau lavelave.
Tete'e maualuga le vevela ma fetuutuunai i siosiomaga vevela maualuga: O nisi faiga gaosiga o fale gaosi oloa e mafai ona maua ai le vevela maualuga, ma mea masani e mafai ona vaivai, faʻaleagaina, pe faʻaleagaina foi i le maualuga o le vevela. Ae ui i lea, tali sintered silicon carbide ceramics e mafai ona oʻo atu i le maualuga o le vevela o le 1350 ℃ ma e mafai ona faʻaogaina mautu mo se taimi umi e oʻo lava i lenei vevela maualuga. E mafai ona puipuia lelei vaega ma vaega mai le faʻaleagaina o le vevela ma le faʻamaluluina ona o le maualuga o le vevela, faʻamautinoaina o laina faʻaofuofu e mafai ona maua pea le puipuiga faʻalagolago mo meafaigaluega i siosiomaga vevela maualuga.
Fa'atusatusa i isi ituaiga mea fa'alavalava fa'alavalava, fa'afefete sintered silicon carbide sima fa'alava fa'alava e fa'aalia lelei. Mo se faʻataʻitaʻiga, o lona maʻaʻa e sili mamao atu nai lo le faʻamaʻi masani e pei o le alumina ma le zirconia, ma e sili atu i le faʻaogaina o mea; O lona mautu vailaʻau ma le maualuga o le vevela e sili atu ona lelei nai lo nisi o mea masani, ma e mafai ona faʻafetaui i siosiomaga faigaluega sili atu ona faigata ma faigata.
Silicon carbide laʻei faʻasaʻo e faʻaaogaina lautele i pisinisi eseese e pei o le eletise, uʻamea, ceramics, kilns maualuga-vevela, mining, koale, petroleum, vailaʻau, ma masini gaosiga. I totonu o nei alamanuia, e puipuia ai le tele o masini, faʻamautinoa le lelei o le gaosiga, ma faʻaitiitia tau faʻatinoga mo pisinisi.
Silicon carbide fa'alava fa'asa'o e faia se sao taua i le fa'alapotopotoga fa'apisinisi ona o lona tulaga fa'apitoa galue ma fa'atinoga lelei. I le avea ai o se tagata gaosi tomai faapitoa o tali sintered silicon carbide ceramics, o Shandong Zhongpeng e masani lava ona tuuto atu i tagata faatau i oloa maualuga, fesoasoani i alamanuia eseese e faaleleia ai meafaigaluega, ma ausia le gaosiga lelei. Afai e te fiafia ia matou oloa, faʻamolemole lagona le saoloto e faʻafesoʻotaʻi i matou i soʻo se taimi ma tuʻu matou saofagā i le atinaʻeina o pisinisi faʻatasi.
Taimi meli: Iuni-19-2025