He kuleana koʻikoʻi a koʻikoʻi ka Silica (SiO2).E-aniani, e hana ana i ke kumu moe no kona mau waiwai maikai a pau. ʻO ka ʻōlelo maʻalahi, ʻo ka silica ka "network former" a i ʻole "skeleton" o ke aniani E. Hiki ke hoʻokaʻawale ʻia kāna hana i nā ʻāpana:
1. Hoʻokumu ʻia ʻana o ka Pūnaewele Pūnaewele aniani (Hana Koʻo)
ʻO kēia ka hana nui loa o ka silica. ʻO ka silica kahi ʻokikene hana aniani ponoʻī. Hoʻopili ʻia kāna SiO4 tetrahedra i kekahi i kekahi ma o ka hoʻopaʻa ʻana i nā ʻātoma oxygen, e hana ana i kahi hoʻolālā pūnaewele hoʻomau, paʻa, a maʻalahi hoʻi.
- Hoʻohālikelike:Ua like keia me ka iwi kila o ka hale e hanaia ana. Hāʻawi ka Silica i ka papa hana nui no ka hale aniani holoʻokoʻa, aʻo nā mea ʻē aʻe (e like me ka calcium oxide, aluminum oxide, boron oxide, a me nā mea ʻē aʻe) nā mea e hoʻopiha ai a hoʻololi paha i kēia iwi e hoʻoponopono i ka hana.
- Me ka ʻole o kēia iwi silica, ʻaʻole hiki ke hoʻokumu ʻia kahi mea aniani paʻa.
2. Hāʻawi i ka hana hoʻokalakupua uila maikaʻi loa
- Kū'ē Uila Kiʻekiʻe:ʻO ka silica ponoʻī he haʻahaʻa haʻahaʻa loa ka neʻe ʻana o ka ion, a ʻo ka paʻa kemika (Si-O bond) he kūpaʻa a paʻa loa ia, e paʻakikī ai ka hoʻokaʻawale ʻana. ʻO ka pūnaewele hoʻomau i hana ʻia e kaohi nui i ka neʻe ʻana o nā uku uila, e hāʻawi ana i ka E-aniani kiʻekiʻe kiʻekiʻe o ka leo resistivity a me ka pale pale.
- Haʻahaʻa Dielectric mau a me haʻahaʻa Dielectric poho:Paʻa loa nā waiwai dielectric o E-glass i nā alapine kiʻekiʻe a me nā wela kiʻekiʻe. ʻO ke kumu nui kēia ma muli o ka symmetry a me ka paʻa o ka ʻōnaehana pūnaewele SiO2, ka hopena i kahi haʻahaʻa haʻahaʻa o ka polarization a me ka liʻiliʻi o ka ikehu liʻiliʻi (hoʻololi i ka wela) i kahi kahua uila kiʻekiʻe. He mea kūpono kēia no ka hoʻohana ʻana i mea hoʻoikaika i nā papa kaapuni uila (PCB) a me nā insulators kiʻekiʻe.
3. E hōʻoia i ka Paʻa Kemika Maikaʻi
Hōʻike ʻo E-glass i ke kūpaʻa maikaʻi loa i ka wai, nā waikawa (koe wale ka hydrofluoric a me ka waika phosphoric wela), a me nā kemika.
- ʻIli Inert:He haʻahaʻa haʻahaʻa loa ka hana kemika o ka ʻupena Si-O-Si a ʻaʻole maʻalahi me ka wai a i ʻole H+ ion. No laila, maikaʻi loa kona kūpaʻa hydrolysis a me ka pale ʻana i ka waikawa. Mālama kēia i nā mea i hoʻopaʻa ʻia e ka E-glass fiber e mālama i kā lākou hana i ka wā lōʻihi, ʻoiai ma nā wahi paʻakikī.
4. Hāʻawi i ka ikaika mīkini kiʻekiʻe
ʻOiai ka ikaika hope okīʻaha anianiHoʻopili nui ʻia e nā mea e like me nā hemahema o ka ʻili a me nā micro-cracks, ʻo ko lākou ikaika manaʻo nui ke kumu mai nā paʻa covalent Si-O ikaika a me ka hoʻolālā pūnaewele ʻekolu-dimensional.
- Hikina Paʻa Kiʻekiʻe:He kiʻekiʻe loa ka ikehu paʻa o ka paʻa Si-O, ka mea e hoʻoikaika nui ai i ka iwi aniani, e hāʻawi ana i ka fiber me ka ikaika tensile kiʻekiʻe a me ka modulus elastic.
5. Hāʻawi i nā waiwai wela kūpono
- Haʻahaʻa Thermal Expansion Coefficient:He haʻahaʻa haʻahaʻa loa ko Silica ponoʻī o ka hoʻonui wela. No ka mea, he ʻano iwi nui, ʻo E-aniani nō hoʻi he haʻahaʻa haʻahaʻa hoʻonui hoʻonui wela. ʻO ia ke ʻano he kūpaʻa maikaʻi ʻo ia i ka wā o ka hoʻololi ʻana o ka mahana a ʻoi aku ka liʻiliʻi o ka hoʻoulu ʻana i ke koʻikoʻi nui ma muli o ka hoʻonui ʻana a me ka hoʻopaʻa ʻana.
- Lae hooluolu kiʻekiʻe:He kiʻekiʻe loa ka helu heheʻe o Silica (ma kahi o 1723∘C). ʻOiai ʻo ka hoʻohui ʻana o nā oxide fluxing ʻē aʻe e hoʻohaʻahaʻa i ka wela hoʻoheheʻe hope loa o E-aniani, ʻo kāna kumu SiO2 e hōʻoiaʻiʻo ana i ke aniani kahi wahi palupalu kiʻekiʻe a me ka paʻa wela e hoʻokō i nā koi o ka hapa nui o nā noi.
Ma kahi maʻamauE-anianihaku mele, ʻo ka maʻiʻo silica maʻamau he 52%−56% (ma ke kaumaha), e hoʻolilo iā ia i ka mea hoʻokahi o ka ʻokikene nui loa. Hōʻike ia i nā waiwai kumu o ke aniani.
Mahele o ka Limahana ma waena o nā Oxides ma E-Glass:
- SiO2(Silika): iwi iwi nui; hāʻawi i ka paʻa paʻa, hoʻokaʻawale uila, paʻa kemika, a me ka ikaika.
- Al2O3(Alumina): ʻO ka pūnaewele kōkua mua a me ka stabilizer; hoʻonui i ka paʻa kemika, ikaika mechanical, a hoʻemi i ka manaʻo devitrification.
- B2O3(Boron oxide): ʻO Flux a me ka mea hoʻololi waiwai; hoʻohaʻahaʻa loa i ka wela hoʻoheheʻe (hoʻōla ikehu) ʻoiai e hoʻomaikaʻi ana i nā waiwai wela a me ka uila.
- CaO/MgO(Kōkalakala ʻOxide/Magnesium Oxide): Flux a me ka stabilizer; kōkua i ka hoʻoheheʻe ʻana a hoʻoponopono i ka lōʻihi o ke kemika a me nā waiwai devitrification.
Ka manawa hoʻouna: Oct-10-2025
