1. Karfe Fiber Karfafa Kankare
Babu nau'ikan fiber na karfe suna samuwa azaman ƙarfafawa.Zagaye karfe fiber nau'in da aka saba amfani da shi ana samar da shi ta hanyar yankan waya a cikin ɗan gajeren tsayi.Matsakaicin matsakaici yana cikin kewayon 0.25 zuwa 0.75mm.Ana samar da filayen ƙarfe masu siffar rectangular c/s ta hanyar silting zanen gado kamar 0.25mm kauri.
Fiber da aka yi daga ƙaramin ƙarfe da aka zana waya.Daidaita da IS: 280-1976 tare da diamita na waya daban-daban daga 0.3 zuwa 0.5mm an yi amfani da su a zahiri a Indiya.
Zagaye karfe zaruruwan ana samar da yankan ko sara da waya, lebur sheet zaruruwa da ciwon na hali c/s jere daga 0.15 zuwa 0.41mm a cikin kauri da 0.25 zuwa 0.90mm a nisa ana samar da silting lebur zanen gado.
Ana samun nakasasshiyar fiber, wanda aka daure shi da manne mai narkewar ruwa a cikin nau'in dam.Tun da ɗayan zaruruwa sukan haɗu tare, rarraba iri ɗaya a cikin matrix yana da wahala sau da yawa.Ana iya guje wa wannan ta ƙara dauren zaruruwa, waɗanda ke rabuwa yayin aiwatar da hadawa.
2. Polypropylene Fiber Reinforced (PFR) turmi da kankare
Polypropylene yana daya daga cikin mafi arha & wadataccen nau'in polymers polypropylene fibers suna da tsayayya ga yawancin sinadarai & zai zama matrix siminti wanda zai fara lalacewa a ƙarƙashin mummunan harin sinadari.Matsayinsa na narkewa yana da girma (kimanin 165 digiri centigrade).Don haka yanayin aiki.Kamar yadda (100 digiri centigrade) na iya dorewa na ɗan gajeren lokaci ba tare da lahani ga abubuwan fiber ba.
Polypropylene zaruruwa kasancewar hydrophobic za a iya sauƙi gauraye saboda ba su bukatar dogon lamba a lokacin hadawa da kawai bukatar a ko'ina cikin damuwa a cikin mix.
Ƙananan zaruruwa na polypropylene a cikin ƙananan ƙananan juzu'i tsakanin 0.5 zuwa 15 kasuwanci da ake amfani dashi a cikin kankare.
Fig.1: Polypropylene fiber ƙarfafa ciminti-turmi da kankare
3. GFRC - Gilashin Gilashin Ƙarfafa Ƙarfafa Ƙwararru
Gilashin fiber an yi shi ne daga filaye guda 200-400 waɗanda aka haɗa su da sauƙi don yin tsayin daka.Ana iya yanke waɗannan tsaunuka zuwa tsayi daban-daban, ko a haɗa su don yin tabarma ko tef.Yin amfani da dabarun haɗawa na al'ada don kankare na yau da kullun ba zai yiwu a haxa fiye da kusan 2% (ta girma) na zaruruwan tsayin 25mm ba.
Babban kayan aikin fiber gilashin shine ƙarfafa siminti ko turmi matrices da aka yi amfani da su wajen samar da samfuran bakin ciki.Abubuwan da aka saba amfani da su na filayen gilashi ana amfani da gilashin e-glas.A cikin ƙarfafa na robobi & AR gilashin E-glass yana da ƙarancin juriya ga alkalis da ke cikin simintin Portland inda gilashin AR ya inganta halayen juriya na alkali.Wani lokaci ana ƙara polymers a cikin gaurayawan don inganta wasu kaddarorin jiki kamar motsin danshi.
Hoto 2: Gilashin-fiber ƙarfafa kankare
4. Asbestos Fibers
Fiber na ma'adinai mai rahusa, asbestos, an yi nasarar haɗa shi da man siminti na Portland don samar da samfurin da ake amfani da shi sosai da ake kira asbestos ciment.Asbestos zaruruwa a nan thermal inji & sinadaran juriya sanya su dace da takardar samfurin bututu, tayal da corrugated rufi abubuwa.Kwamitin simintin asbestos ya kai kusan sau biyu ko hudu na matrix mara ƙarfi.Koyaya, saboda ɗan gajeren tsayi (10mm) fiber yana da ƙarancin tasiri.
Hoto 3: Asbestos fiber
5. Carbon Fibers
Filayen Carbon daga na baya-bayan nan & yuwuwa shine ƙari mafi ban mamaki ga kewayon fiber da ake samu don amfanin kasuwanci.Fiber Carbon yana zuwa ƙarƙashin maɗaukakin maɗaukaki na elasticity da ƙarfin sassauƙa.Waɗannan suna da fa'ida.Ƙarfinsu & halayen taurinsu an gano sun fi na ƙarfe.Amma sun fi fuskantar lalacewa fiye da ko da fiber na gilashi, don haka ana kula da su gabaɗaya tare da murfin murabus.
Hoto 4: Filayen Carbon
6. Fiber Organic
Fiber na halitta kamar polypropylene ko fiber na halitta na iya zama mafi ƙarancin sinadarai fiye da ko dai ƙarfe ko filayen gilashi.Hakanan suna da arha, musamman idan na halitta.Za a iya amfani da babban ƙarar zaren kayan lambu don samun nau'in tsagewa da yawa.Ana iya magance matsalar haɗuwa da tarwatsewa iri ɗaya ta ƙara superplasticizer.
Hoto 5: Fiber Organicr
Lokacin aikawa: Yuli-23-2022