Ayini amandla aqinile we-basalt mineral fiber?
Amandla aqinile we i-basalt mineral fibersyisihloko okudingeka sihlaziywe ngemibono eminingi. Okokuqala, kubalulekile ukucacisa ukuthi amandla e-tensile asho ingcindezi enkulu yezinto ezibonakalayo engamelana nayo ngaphambi kokuphuka. Ngoba I-Basalt Fibers, leli nani ngokuvamile liphakathi2000 MPa kanye 4800 MPa. Inani elithile lithonywa izici ezifana nokwakheka kwezinto ezingavuthiwe, inqubo yokukhiqiza, nobubanzi befiber.
Kungani imicu ye-basaltunamandla angaka aqinile? Lokhu kuhlobene eduze ne-microstructure yabo. I-Basalt ngokwayo iyidwala lentaba-mlilo elinezingxenye eziyinhloko ezihlanganisa i-silicon dioxide, i-aluminium oxide, ne-iron oxide. Ngemva kokuncibilika kwezinga lokushisa eliphezulu, lezi zingxenye zakha isakhiwo senethiwekhi esinezinhlangothi ezintathu esiqhubekayo, esinikeza ifayibha ukuqina okuphezulu. Ukupholisa okusheshayo ngesikhathi Ukukhiqiza I-Fiber inqubo yenza ukuhleleka kwamangqamuzana kuminyene, kuthuthuke ngokwengeziwe izici zayo zokusebenza.
Izinto ezithile ezithinta amandla okuqina zingabukwa kulezi zici ezilandelayo:
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Ukwakhiwa Kwempahla: Ukwakheka kwe-basalt ore kusuka emisuka ehlukene kuyahlukahluka. Ngokuvamile, izinto zokusetshenziswa ezinokuqukethwe kwe-silicon dioxide phakathi kuka-46% no-52% zikhiqiza imicu enamandla angcono. Okuqukethwe kwe-iron oxide ephezulu ngokweqile kungaholela ekwehleni kwamandla.
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Inqubo Yokukhiqiza: Izinga lokushisa elincibilikayo lilawulwa kangcono ku-1400-1500 ° C. Uma izinga lokushisa liphansi kakhulu, i-viscosity encibilikayo izoba phezulu, okwenza ukudweba kube nzima; uma iphezulu kakhulu, ingabangela ukuguquguquka kwengxenye. Ijubane lokudweba liphinde libe ipharamitha eyinhloko; uma ishesha kakhulu, ububanzi befiber ngeke bulingane.
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I-Fiber Diameter: Imicu ye-basalt enobubanzi obujwayelekile obungama-microns angu-9-13 anomsebenzi wamandla oqinile odumile. Nakuba imicu emincane ngokwethiyori inamandla aphezulu, ijwayele ukuba namaphutha ekukhiqizeni kwangempela.
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Ukwelashwa kwendawo: Eminye imikhiqizo iphathwa nge-surface coating, evikela kokubili i-fiber futhi ingase ibe nomthelela othile emandleni ayo.
Kuzicelo ezingokoqobo, indlela yokukhetha okulungile i-basalt fiber? Lokhu kudinga ukunqunywa ngokusekelwe ekusetshenzisweni okuqondile. Kuzinhlelo zokusebenza ezidinga amandla aphezulu, njengezinto zokuqinisa izakhiwo, kunconywa ukukhetha imikhiqizo enamandla okuzisholo ngaphezu kwe-4000 MPa. Ngezinjongo ezijwayelekile, njengezinto zokufakelwa, imfuneko yamandla ingehliswa ngokufanelekile. Kubalulekile ukuqaphela ukuthi idatha yokuhlolwa kwaselabhorethri ingase yehluke ekusebenzeni ezindaweni zangempela zokusetshenziswa. Izinto ezifana nezinga lokushisa, umswakama, nomthwalo wesikhathi eside konke kungathinta ukusebenza kwefayibha.
Mayelana nokuqhathaniswa kwe i-basalt fiber amandla namanye amafayibha, amaphuzu ambalwa ajwayelekile edatha angasetshenziswa ukuze kubhekwe: amandla aqinile we-E-glass fiber evamile imayelana ne-3000 MPa, i-S-glass fiber ingafinyelela ku-4500 MPa, kanti i-carbon fiber iphakathi kuka-3000-7000 MPa. Kusukela kulo mbono, amandla e-basalt fiber asezingeni eliphakathi kuya phezulu. Nokho, izinzuzo zayo ilele ezindlekweni eziphansi zempahla eluhlaza kanye nokumelana okungcono nokushisa okuphezulu kanye nokuzinza kwamakhemikhali.
Mayelana nokulawulwa kwekhwalithi, indlela yokuhlola i-single-fiber tensile okwamanje isetshenziswa ukunquma amandla. Ngesikhathi sokuhlolwa, ukunakekelwa okukhethekile kufanele kukhokhwe kunqubo yokulungiselela isampula ukuze kugwenywe ukwethulwa kweziphambeko ngenxa yezici zabantu. Izindinganiso zemboni ngokuvamile zidinga ukuhlola okungenani amafayibha angama-50 futhi kuthathwe inani elimaphakathi njengomphumela wokugcina. Njengoba kunokwehluka okuthile emandleni efayibha, leli nani lokuhlola lingaqinisekisa ukwethembeka kwedatha.
Ngokuphathelene nezitayela zentuthuko zesikhathi esizayo, abacwaningi bazama ukuthuthukisa amandla emicu ye-basalt ngokusebenzisa izindlela ezifana ne-nanomodification kanye nokuphotha okuhlanganisiwe. Isibonelo, ukwengeza inani elincane lezingxenye ezikhethekile ezintweni ezingavuthiwe kungathuthukisa izakhiwo zokuncibilika; usebenzisa ubuchwepheshe bokudweba obusizwa yi-electromagnetic field kungathuthukisa ukufana kwesakhiwo sefayibha. Nakuba lezi zinqubo ezintsha zisesigabeni saselabhorethri, zibonisa amathemba amahle okufaka isicelo.
Ukugcinwa kwamandla aqinile nakho kuyakhathaza abasebenzisi. Idatha yokuhlola ibonisa ukuthi endaweni eyomile ezingeni lokushisa legumbi, izinga lokugcinwa kwamandla izinga eliphezulu le-basalt fibers isengafinyelela ngaphezu kwama-90% ngemva kweminyaka eyishumi. Nokho, ezindaweni ezinezinga lokushisa eliphezulu noma ezonakalisayo, leli nani lizokwehla. Ngakho-ke, ekusetshenzisweni kwangempela kobunjiniyela, izinyathelo zokuzivikela ezifanele kufanele zikhethwe ngokusekelwe ezimweni zemvelo.
Okokugcina, kudinga ukukhunjuzwa ukuthi nakuba i-basalt fiber inamandla amakhulu okuqina, ukusebenza kwe-interfacial bonding nakho kudinga ukucatshangelwa emikhiqizweni ethile. Isibonelo, ezinhlelweni zokuqinisa ukhonkolo, amandla okubopha phakathi kwefayibha kanye ne-matrix ngokuvamile abaluleke kakhulu kunamandla efayibha ngokwayo. Lokhu kudinga ukwenziwa ngcono ngokwelashwa okungaphezulu noma ngokungezwa kwama-coupling agents.