Iifayibha zeglasi ezingenayo i-alkali kunye neefayibha zeglasi ezingenayo i-alkali ziintlobo ezimbini eziqhelekileyoizinto zefiberglasskunye nomahluko othile kwiipropati kunye nezicelo.
Ifayibha yeglasi yealkali ephakathi(Ifayibha yeglasi ye-E):
Ulwakhiwo lwamakhemikhali luqulathe ubungakanani obuphakathi bee-alkali metal oxides, ezifana ne-sodium oxide kunye ne-potassium oxide.
Inokumelana okuphezulu kumaqondo obushushu aphezulu, ngokubanzi imelana namaqondo obushushu afikelela kwi-1000°C.
Ineempawu ezilungileyo zokukhusela umbane kwaye iyamelana nokugqwala.
Isetyenziswa kakhulu kwizixhobo zokwakha, ubunjineli be-elektroniki nobombane, i-aerospace kunye nezinye iindawo.
Ifayibha yeglasi engena-alkali(Ifayibha yeglasi ye-C):
Ulwakhiwo lwamakhemikhali alunazo ii-alkali metal oxides.
Inokumelana okuphezulu kwe-alkali kunye nokugqwala kwaye ifanelekile kwiindawo ezine-alkali.
Ukumelana okuphantsi kakhulu kumaqondo obushushu aphezulu, ngokuqhelekileyo kunokumelana namaqondo obushushu aphezulu angama-700°C.
Isetyenziswa kakhulu kushishino lweekhemikhali, ukhuseleko lokusingqongileyo, iinqanawa kunye nezinye iindawo.
Iglasi ye-E inamandla okutsalwa aphezulu kuneglasi ye-C, nto leyo eqinisa ngcono amavili egridi.
Iglasi ye-E inobude obuphezulu, iya kunceda ukunciphisa umlinganiselo wokusika i-glass fiber abrasive ngexesha lenkqubo yokwenza amavili okusila xa ikwi-stress ephezulu.
Iiglasi ze-E zinobuninzi obukhulu bevolumu, malunga ne-3% yevolumu encinci ngobunzima obufanayo. Yandisa umthamo wokurhawuzelela kwaye uphucule ukusebenza kakuhle kokusila kunye nesiphumo samavili okusila.
Iglasi ye-E ineempawu ezingcono zokumelana nokufuma, ukumelana namanzi kunye nokumelana nokwaluphala, iqinisa ukumelana nemozulu kweediski ze-fiberglass kwaye yandisa ixesha eliqinisekileyo lamavili okugaya.
Uthelekiso lwezinto phakathi kweglasi ye-C kunye neglasi ye-E
| I-elementi | Si02 | I-Al2O3 | I-Fe2O | I-CaO | I-MgO | K2O | I-Na2O | B2O3 | I-TiO2 | enye |
| Iglasi ye-C | 67% | 6.2% | 9.5% | 4.2% | 12% | 1.1% | ||||
| Iglasi ye-elektroniki | 54.18% | 13.53% | 0.29% | 22.55% | 0.97% | 0.1% | 0.28% | 6.42% | 0.54% | 1.14% |
Uthelekiso phakathi kwe-C-glass kunye ne-E-glass
| Ukusebenza koomatshini | Ubuninzi (g/cm3) | Ukumelana nokwaluphala | Ukumelana namanzi | Ukumelana nokufuma | ||||
| UkutsalwaAmandla (MPa) | I-Elastic Modulus (GPa) | Ukwandiswa (%) | Ubunzima (mg) | I-alkali ephumayo (mg) | RH100% (ukulahlekelwa ngamandla kwiintsuku ezisi-7) (%) | |||
| Iglasi ye-C | 2650 | 69 | 3.84 | 2.5 | Jikelele | 25.8 | 9.9 | 20% |
| Iglasi ye-elektroniki | 3058 | 72 | 4.25 | 2.57 | Ngcono | 20.98 | 4.1 | 5% |
Ngamafutshane, zombiniiifayibha zeglasi ezingeyo-alkali ephakathi (iglasi eyi-C) kunye neefayibha zeglasi ezingezizo ze-alkali (iglasi eyi-E)zinezibonelelo zazo kunye nokusetyenziswa kwazo. Iglasi ye-C inokumelana okuhle kakhulu kweekhemikhali, ngelixa iglasi ye-E ineempawu ezintle kakhulu zoomatshini kunye nokufakelwa kombane. Ukuqonda umahluko phakathi kwezi ntlobo zimbini zefiberglass kubalulekile ekukhetheni izinto ezifanelekileyo kwisicelo esithile, ukuqinisekisa ukusebenza kakuhle kunye nokuqina.
Ixesha leposi: Epreli-18-2024
