Hanganga, Pūtaiao
Karāhe. Te faaineineraa, me te whakamahi. Karāhe ira whakakoero
Ka rite tetahi o nga rauemi matamua, kua karaihe kua whakamahia e te taata nei no te mano o nga tau, e kore noa tetahi. Ko te ringa rehe o tenei rauemi whakaaetia ki te whakamahi i ia i roto i te whānuitanga o ngā ahumahi. āhuatanga Physico-matū o te karaihe e pā ana ki pūhui pararopi, he reira pakeke, kua he isotropic he hanganga amorphous.
Hoki ia momo o te tukanga ahumahi karaihe āhuatanga i roto i te āhua o te whakawhāititanga o flowable, tino Kaore tahuri ki te puka waiwai. hangarau Production whakarato te meangiti i te reira i te tere e kore nei e tukua ki te neke i roto i te whātioatanga wāhanga rewanga.
Koata rewa pāmahana tei runga i tona kounga me te mahi e tūmanakohia ana. Tikanga, e tunu wahi i runga i te whānuitanga pāmahana C tika whānui i 300 ki te 2500 °. Āhuatanga o tenei taonga, tei runga i te wae ngā i roto i te rewanga karaihe-hanga. Ko te tino whānui te rārangi, me te e māngai e te momo o waikura, phosphates, fluorides, me ētahi atu tāpiritanga. I roto i tenei aronui, e kore he mārama te āhuatanga whakamutunga mo nga momo rerekē o te karaihe tupu i roto i te āhua me te synthesized i roto i te akoranga o te production.
Mai i te mahi toi karaihe tino tawhito, tuhia e whitu rau tau BC, tutaki mahi archeologists i roto i karikari i roto i Ihipa. ko nga pirepire me hongihongi enei. Otiia i muri i te torutoru mano nga tau, a tae noa te taeraa mai o te kamupene ahumahi tuatahi, wheketere karaihe o te rau tau tekau ma waru. He āhuatanga o te hanga karaihe i roto i utu, ko e katia te ira whakakoero o karaihe whiwhi mā te whakamahi i te waro, me mo te rewa nga kohua i maitai.
I mua ki taua whakamahia rite te rakau wahie, he awheawhe karaihe-roa i roto i te wahi, oumu marara me te wahie hohoro pau i roto i te rohe. i tuwhera nga kohua i, e kore e te rakau te tuku matū e pā te mārama, me te tae o te putanga hua. Te pāmahana i roto i te tukanga rewa karaihe o te momo tae 1450 ° C.
He hui nui ko te tenenga i te tīmatanga o te rau tau XX te hanga o te tikanga karaihe flat, ko muri i tona kaiwhakawhanake Emilya Furko, e whakaarohia ana he ara ki te autahu'araa mīhini. vai noa 1959, i te mono i te reira i te reira e te tikanga manu, whakawhanakehia e te kamupene "Pilkington".
Ko te wāhanga matua o te karaihe tikanga he takawai onepu i roto i te ōwehenga o 69-74%, houra (12-16%), pākeho me te dolomite (5-12%). Otiia i roto i te tukanga o te hanga he nui te pāmahana e kore anake i nei aua mea karaihe engari e rewanga meangiti auau. Takahi, ki runga ki tautauā tere e taea te whiwhi tangiwai me whakarewa, te wa matua ki te whakamatao te rewanga ki te hanganga karaihe ripekapeka.
A, no te momo katoa o ngā āhuatanga ātaahua o te karaihe tikanga i te wa i reira ko te hiahia akiaki mo te rauemi mārama ake roa, me te ono tekau. Tuatahi o te katoa, kua pa te reira i te ahumahi, motuhake i roto i te rererangi hanga. ka Plexiglas tona ingoa anake i runga i te ahua ausia ki te karaihe tuku iho.
Ko tōna ātete pānga ki runga ki te rima nga wa teitei, he māmā ki te 2.5 wā. Ka rite ki tae te reira i te taumata o te tuku te marama o 92%, te mea he ātete tiketike ki te hoholo. He nui māmā me te ake utu plexiglass i roto i te tukatuka. ira whakakoero he plexiglass roto 90-105 nekehanga, e taea ana ki reira hei wera tukinotia.
Otiia kua tango e rua o enei rauemi katoa wāhi i roto i te wāhi mahi hou. mau mau Traditional karaihe pararopi tona tūranga, me te kore e haere ki te tango i te hou waerau organic.
Mā te whakamahi i te whānui o ngā poke me tāpiritanga whakarato kore te maere noa nga āhuatanga optical o te karaihe, engari ano tino whakapai ake i ona āhuatanga hangarau.
I tua atu ki ngā tono ahumahi, e kore e taea e kore ki te mōhio i te tūranga o te karaihe toi. glassmakers kara, tonu te whakarerenga iho o nga toi onamata hanga masterpieces hanga o te karaihe ki te toi pono. I roto i to ratou awheawhe oumu kua tae karaihe pāmahana rewa, mahi tata ringa i roto i tona mahi ratou, whakaatu kore anake whakaaro faahiahia engari noho ano hoki te rota o te kaha tinana.
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