{"id":3698,"date":"2024-05-30T09:00:00","date_gmt":"2024-05-30T01:00:00","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=3698"},"modified":"2024-06-27T16:59:50","modified_gmt":"2024-06-27T08:59:50","slug":"research-on-processing-and-annealing-techniques-of-quartz-glass","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/sq\/research-on-processing-and-annealing-techniques-of-quartz-glass\/","title":{"rendered":"Hulumtim mbi teknikat e p\u00ebrpunimit dhe pjekjes s\u00eb qelqit kuarc"},"content":{"rendered":"<p><\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-7f4d3acd\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTabela e P\u00ebrmbajtjes\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class='uagb-toc__separator'><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#1-introduction\" class=\"uagb-toc-link__trigger\">1. Hyrje<\/a><li class=\"uagb-toc__list\"><a href=\"#2-processing-of-quartz-glass-products\" class=\"uagb-toc-link__trigger\">2. P\u00ebrpunimi i produkteve t\u00eb qelqit kuarc<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#21-types-of-quartz-glass-materials\" class=\"uagb-toc-link__trigger\">2.1 Llojet e materialeve t\u00eb qelqit kuarc<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#22-processing-of-quartz-glass-materials\" class=\"uagb-toc-link__trigger\">2.2 P\u00ebrpunimi i materialeve t\u00eb qelqit kuarc<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#3-stress-in-quartz-glass-products\" class=\"uagb-toc-link__trigger\">3. Stresi n\u00eb produktet e qelqit kuarc<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#31-generation-of-stress\" class=\"uagb-toc-link__trigger\">3.1 Gjenerimi i stresit<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#32-types-of-stress-in-quartz-glass-products\" class=\"uagb-toc-link__trigger\">3.2 Llojet e stresit n\u00eb produktet e qelqit kuarc<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#321-temporary-stress\" class=\"uagb-toc-link__trigger\">3.2.1 Stresi i p\u00ebrkohsh\u00ebm<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#322-permanent-stress\" class=\"uagb-toc-link__trigger\">3.2.2 Stresi i p\u00ebrhersh\u00ebm<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#4-annealing-of-quartz-products\" class=\"uagb-toc-link__trigger\">4. Pjekja e produkteve t\u00eb kuarcit<\/a><li class=\"uagb-toc__list\"><a href=\"#conclusion\" class=\"uagb-toc-link__trigger\">P\u00ebrfundim<\/a><\/ul><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-b18411bb\"><h2 class=\"uagb-heading-text\">1. Hyrje<\/h2><\/div>\n\n\n\n<p>Ky hulumtim mbi teknikat e p\u00ebrpunimit dhe pjekjes s\u00eb qelqit kuarc ka p\u00ebr q\u00ebllim prodhimin e fibrave optike dhe projekte t\u00eb ngjashme. Ai k\u00ebrkon t\u00eb p\u00ebrmir\u00ebsoj\u00eb q\u00ebndrueshm\u00ebrin\u00eb e produkteve t\u00eb kuarcit n\u00eb temperatura t\u00eb larta dhe normale p\u00ebrmes praktik\u00ebs, duke siguruar aplikim t\u00eb qet\u00eb t\u00eb produkteve n\u00eb skenar\u00eb t\u00eb ndrysh\u00ebm.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-382e9e38\"><h2 class=\"uagb-heading-text\">2. P\u00ebrpunimi i produkteve t\u00eb qelqit kuarc<\/h2><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-70147f77\"><h3 class=\"uagb-heading-text\">2.1 Llojet e materialeve t\u00eb qelqit kuarc<\/h3><\/div>\n\n\n\n<p>Xhami kuarci klasifikohet sipas metodave t\u00eb p\u00ebrpunimit, p\u00ebrdorimeve dhe pamjes, si qelqi kuarci transparent i shkrir\u00eb, qelqi kuarci i shkrir\u00eb, xhami kuarci transparent i rafinuar me gaz, xhami kuarci sintetik, qelqi kuarci opak, xhami optik kuarci, xhami kuarci p\u00ebr gjysm\u00ebp\u00ebr\u00e7uesit dhe kuarci xhami p\u00ebr burimet elektrike t\u00eb drit\u00ebs. K\u00ebto ndahen n\u00eb dy kategori kryesore: transparente dhe opake. N\u00eb baz\u00eb t\u00eb past\u00ebrtis\u00eb, ndahet n\u00eb tre kategori: past\u00ebrti e lart\u00eb, e zakonshme dhe e dopuar.<\/p>\n\n\n\n<p>Devitrifikimi i xhamit kuarci rezistent ndaj temperatur\u00ebs s\u00eb lart\u00eb \u00ebsht\u00eb nj\u00eb defekt i natyrsh\u00ebm. Xhami i kuarcit ka energji t\u00eb brendshme m\u00eb t\u00eb lart\u00eb se kuarci kristalor, duke e b\u00ebr\u00eb at\u00eb nj\u00eb gjendje metastabile termodinamikisht t\u00eb paq\u00ebndrueshme. Molekulat e SiO2 p\u00ebrshpejtojn\u00eb dridhjet dhe formojn\u00eb kristale pas rirregullimit dhe orientimit afatgjat\u00eb. Kristalizimi ndodh kryesisht n\u00eb sip\u00ebrfaqe, i ndjekur nga defekte t\u00eb brendshme, pasi k\u00ebto zona jan\u00eb t\u00eb prirura ndaj kontaminimit, duke \u00e7uar n\u00eb akumulimin e lokalizuar t\u00eb joneve t\u00eb papast\u00ebrtive. Ve\u00e7an\u00ebrisht, jonet e alkalit (t\u00eb tilla si K, Na, Li, Ca, Mg) reduktojn\u00eb viskozitetin kur hyjn\u00eb n\u00eb rrjet, duke p\u00ebrshpejtuar devitrifikimin.<\/p>\n\n\n\n<p>Ky punim diskuton komponent\u00ebt e p\u00ebrpunuar t\u00eb kuarcit, duke mbuluar vet\u00ebm xhamin kuarc sintetik transparent t\u00eb kondensatorit.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-bdc70e2a\"><h3 class=\"uagb-heading-text\">2.2 P\u00ebrpunimi i materialeve t\u00eb qelqit kuarc<\/h3><\/div>\n\n\n\n<p>Gjat\u00eb p\u00ebrpunimit t\u00eb xhamit kuarci, zakonisht p\u00ebrdoret nj\u00eb flak\u00eb hidrogjen-oksigjen, me nj\u00eb temperatur\u00eb p\u00ebrpunimi prej rreth 1500-1600\u00b0C.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5c83f448\"><h2 class=\"uagb-heading-text\">3. Stresi n\u00eb produktet e qelqit kuarc<\/h2><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-cf542c19\"><h3 class=\"uagb-heading-text\">3.1 Gjenerimi i stresit<\/h3><\/div>\n\n\n\n<p>Xhami \u00ebsht\u00eb nj\u00eb p\u00ebrcjell\u00ebs i dob\u00ebt i nxeht\u00ebsis\u00eb. Kur nj\u00eb cop\u00eb xhami kuarci (pa presion) nxehet ose ftohet, shtresa e jashtme e xhamit t\u00eb kuarcit nxehet drejtp\u00ebrdrejt ose fillon t\u00eb ftohet s\u00eb pari, dhe xhami i brendsh\u00ebm nxehet (p\u00ebr\u00e7imi i nxeht\u00ebsis\u00eb transferon nxeht\u00ebsin\u00eb e jashtme n\u00eb brend\u00ebsi) ose ftohet m\u00eb pas. . Kjo krijon nj\u00eb ndryshim t\u00eb temperatur\u00ebs midis sip\u00ebrfaqes dhe brend\u00ebsis\u00eb s\u00eb xhamit t\u00eb kuarcit. Kur nxehet, temperatura e sip\u00ebrfaqes s\u00eb xhamit t\u00eb kuarcit t\u00eb ndezur drejtp\u00ebrdrejt \u00ebsht\u00eb e lart\u00eb dhe temperatura e brendshme e xhamit kuarc q\u00eb merr nxeht\u00ebsi \u00ebsht\u00eb e ul\u00ebt, duke shkaktuar zgjerimin e shtres\u00ebs s\u00eb jashtme t\u00eb xhamit t\u00eb kuarcit t\u00eb nxeht\u00eb. Pjesa e brendshme me temperatur\u00eb m\u00eb t\u00eb ul\u00ebt p\u00ebrpiqet t\u00eb ruaj\u00eb gjendjen e saj origjinale, duke penguar zgjerimin e shtres\u00ebs s\u00eb jashtme. K\u00ebshtu, zgjerimi dhe anti-zgjerimi ndodhin brenda xhamit t\u00eb kuarcit, duke krijuar dy lloje stresi p\u00ebr shkak t\u00eb nd\u00ebrveprimit: stresi n\u00eb shtypje dhe stresi t\u00ebrheq\u00ebs. Forca q\u00eb p\u00ebrpiqet t\u00eb parandaloj\u00eb q\u00eb shtresa e jashtme e xhamit kuarc t\u00eb zgjerohet nga brenda dhe t\u00eb veproj\u00eb n\u00eb shtres\u00ebn e jashtme quhet stres shtyp\u00ebs, nd\u00ebrsa forca e ushtruar nga shtresa e jashtme e xhamit kuarc q\u00eb zgjerohet nga brenda njihet si stresi t\u00ebrheq\u00ebs.<\/p>\n\n\n\n<p>Meqen\u00ebse forca n\u00eb shtypje e xhamit kuarc \u00ebsht\u00eb shum\u00eb m\u00eb e madhe se forca e tij n\u00eb t\u00ebrheqje, shtresat e brendshme dhe t\u00eb jashtme t\u00eb xhamit kuarc mund t\u00eb p\u00ebrballojn\u00eb ndryshime t\u00eb konsiderueshme t\u00eb temperatur\u00ebs gjat\u00eb ngrohjes. Kur p\u00ebrpunohet me nj\u00eb llamb\u00eb, xhami i kuarcit mund t\u00eb nxehet drejtp\u00ebrdrejt n\u00eb nj\u00eb flak\u00eb hidrogjen-oksigjen pa u thyer. N\u00eb t\u00eb kund\u00ebrt, kur qelqi kuarci i ngrohur n\u00eb 500\u00b0C ose m\u00eb i lart\u00eb vendoset n\u00eb uj\u00eb ftoh\u00ebs, ai plasaritet leht\u00ebsisht.<\/p>\n\n\n\n<p>Shp\u00ebrndarja e stresit e krijuar nga p\u00ebrpunimi i llamb\u00ebs \u00ebsht\u00eb af\u00ebrsisht si m\u00eb posht\u00eb:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Stresi n\u00eb shkrirjen rrotulluese<\/strong> Duart e operatorit rrotullohen dhe shkrin tubin e qelqit n\u00eb flak\u00ebn e pishtarit. Meqen\u00ebse tubi i qelqit nxehet me rrotullim dhe jo n\u00eb pjes\u00ebn e shkrir\u00eb, stresi manifestohet si vija rrethore.<\/li>\n\n\n\n<li><strong>Stresi n\u00eb shkrirjen an\u00ebsore<\/strong> P\u00ebr hapjet, lidhjet an\u00ebsore dhe saldimin t\u00ebrthor t\u00eb b\u00ebrtham\u00ebs s\u00eb brendshme t\u00eb tubave kuarci, tubi i kuarcit nuk rrotullohet, duke rezultuar n\u00eb nj\u00eb shp\u00ebrndarje t\u00eb ndryshme t\u00eb stresit nga ajo e p\u00ebrmendur m\u00eb sip\u00ebr. N\u00eb k\u00ebt\u00eb koh\u00eb, stresi shp\u00ebrndahet rreth pjes\u00ebs s\u00eb shkrir\u00eb.<\/li>\n\n\n\n<li><strong>Stresi n\u00eb nyjet e unazave<\/strong> Lidhjet e unazave i referohen saldimit t\u00eb b\u00ebrtham\u00ebs s\u00eb brendshme.<\/li>\n\n\n\n<li><strong>Stresi n\u00eb skajet e mbyllura t\u00eb produkteve t\u00eb xhaket\u00ebs<\/strong> Produktet e xhaket\u00ebs s\u00eb instrumenteve kuarci vijn\u00eb n\u00eb forma t\u00eb ndryshme, por jan\u00eb t\u00eb gjitha t\u00eb mbyllura. P\u00ebr shembull, n\u00eb nj\u00eb tub standard kondensator t\u00eb drejt\u00eb, kur t\u00eb dy skajet jan\u00eb t\u00eb mbyllura, stresi \u00ebsht\u00eb i pranish\u00ebm jo vet\u00ebm n\u00eb xhaket\u00ebn e jashtme, por edhe n\u00eb b\u00ebrtham\u00ebn e brendshme, duke \u00e7uar n\u00eb stres t\u00eb konsideruesh\u00ebm.<\/li>\n<\/ol>\n\n\n\n<p>Madh\u00ebsia e stresit ndryshon me ndryshimin e temperatur\u00ebs dhe trash\u00ebsin\u00eb e xhamit t\u00eb kuarcit. Sa m\u00eb i madh t\u00eb jet\u00eb diferenca e temperatur\u00ebs dhe sa m\u00eb i trash\u00eb t\u00eb jet\u00eb xhami, aq m\u00eb i madh \u00ebsht\u00eb stresi. Prandaj, heqja e stresit \u00ebsht\u00eb ve\u00e7an\u00ebrisht e r\u00ebnd\u00ebsishme.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-0512fd7b\"><h3 class=\"uagb-heading-text\">3.2 Llojet e stresit n\u00eb produktet e qelqit kuarc<\/h3><\/div>\n\n\n\n<p>Stresi termik n\u00eb produktet e qelqit kuarc mund t\u00eb ndahet n\u00eb stres t\u00eb p\u00ebrkohsh\u00ebm dhe stres t\u00eb p\u00ebrhersh\u00ebm.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-599187b2\"><h3 class=\"uagb-heading-text\">3.2.1 Stresi i p\u00ebrkohsh\u00ebm<\/h3><\/div>\n\n\n\n<p>Stresi i p\u00ebrkohsh\u00ebm ndodh kur ndryshimi i temperatur\u00ebs s\u00eb xhamit \u00ebsht\u00eb n\u00ebn temperatur\u00ebn e pik\u00ebs s\u00eb sforcimit, duke rezultuar n\u00eb nxeht\u00ebsi totale t\u00eb pabarabart\u00eb p\u00ebr shkak t\u00eb p\u00ebr\u00e7ueshm\u00ebris\u00eb s\u00eb dob\u00ebt termike, duke krijuar stres t\u00eb caktuar termik. Ky stres termik ekziston p\u00ebr shkak t\u00eb ndryshimit t\u00eb temperatur\u00ebs dhe njihet si stresi i p\u00ebrkohsh\u00ebm.<\/p>\n\n\n\n<p>Duhet t\u00eb theksohet se meqen\u00ebse shufrat e b\u00ebrtham\u00ebs s\u00eb kuarcit t\u00eb p\u00ebrpunuara zakonisht p\u00ebrmbajn\u00eb substanca t\u00eb ndryshme kimike, ato jan\u00eb t\u00eb prirura p\u00ebr ngrohje t\u00eb pabarabart\u00eb. Prandaj, pas bashkimit, flaka duhet t\u00eb p\u00ebrdoret p\u00ebr t\u00eb ngrohur n\u00eb m\u00ebnyr\u00eb t\u00eb barabart\u00eb trupin e shufr\u00ebs, duke e b\u00ebr\u00eb gradientin e p\u00ebrgjithsh\u00ebm t\u00eb temperatur\u00ebs sa m\u00eb t\u00eb qet\u00eb q\u00eb t\u00eb jet\u00eb e mundur, duke ulur ndjesh\u00ebm stresin e p\u00ebrkohsh\u00ebm t\u00eb shufr\u00ebs s\u00eb b\u00ebrtham\u00ebs s\u00eb kuarcit.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-0e905379\"><h3 class=\"uagb-heading-text\">3.2.2 Stresi i p\u00ebrhersh\u00ebm<\/h3><\/div>\n\n\n\n<p>Kur qelqi ftohet nga lart temperatura e pik\u00ebs s\u00eb tendosjes, stresi termik i krijuar nga ndryshimi i temperatur\u00ebs nuk zhduket plot\u00ebsisht pas ftohjes n\u00eb temperatur\u00ebn e dhom\u00ebs, duke l\u00ebn\u00eb nj\u00ebfar\u00eb stresi n\u00eb xhami. Madh\u00ebsia e stresit t\u00eb p\u00ebrhersh\u00ebm varet nga shpejt\u00ebsia e ftohjes mbi temperatur\u00ebn e pik\u00ebs s\u00eb sforcimit, viskoziteti i xhamit t\u00eb kuarcit, koeficienti i zgjerimit termik dhe trash\u00ebsia e produktit.<\/p>\n\n\n\n<p>Si\u00e7 u p\u00ebrmend m\u00eb lart, stresi i p\u00ebrhersh\u00ebm i krijuar pas p\u00ebrpunimit t\u00eb shufr\u00ebs s\u00eb kuarcit ndikon n\u00eb p\u00ebrpunimin dhe prodhimin e m\u00ebvonsh\u00ebm. Prandaj, stresi i p\u00ebrhersh\u00ebm mund t\u00eb eliminohet vet\u00ebm p\u00ebrmes pjekjes.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-998d3415\"><h2 class=\"uagb-heading-text\">4. Pjekja e produkteve t\u00eb kuarcit<\/h2><\/div>\n\n\n\n<p>N\u00eb p\u00ebrgjith\u00ebsi, produktet e qelqit kalohen pas p\u00ebrpunimit. Pjekja i referohet nj\u00eb procesi t\u00eb trajtimit t\u00eb nxeht\u00ebsis\u00eb midis temperatur\u00ebs s\u00eb tranzicionit dhe temperatur\u00ebs s\u00eb pik\u00ebs s\u00eb tendosjes p\u00ebr t\u00eb eliminuar stresin termik t\u00eb krijuar gjat\u00eb procesit t\u00eb prodhimit. N\u00eb m\u00ebnyr\u00eb tipike, sa m\u00eb i madh t\u00eb jet\u00eb koeficienti i zgjerimit t\u00eb xhamit, aq m\u00eb i madh \u00ebsht\u00eb diametri dhe sa m\u00eb komplekse t\u00eb jet\u00eb gjendja e produktit, aq m\u00eb i r\u00ebnd\u00eb \u00ebsht\u00eb stresi. Si\u00e7 u p\u00ebrmend m\u00eb her\u00ebt, shufra e kuarcit e kontaktuar ka nj\u00eb diamet\u00ebr t\u00eb madh dhe p\u00ebrmban shufra b\u00ebrthamore t\u00eb p\u00ebrziera, k\u00ebshtu q\u00eb k\u00ebrkohet trajtim i rrept\u00eb i nxeht\u00ebsis\u00eb p\u00ebr t\u00eb hequr stresin.<\/p>\n\n\n\n<p>N\u00eb prodhimin aktual, \u00ebsht\u00eb e pamundur t\u00eb eliminohet plot\u00ebsisht stresi brenda trupit t\u00eb shufr\u00ebs gjat\u00eb pjekjes s\u00eb shufr\u00ebs s\u00eb kuarcit. Megjithat\u00eb, sasia e mbetur \u00ebsht\u00eb aq e vog\u00ebl sa q\u00eb nuk zbulohet leht\u00eb edhe n\u00ebn nj\u00eb polariskop.<\/p>\n\n\n\n<p>Teorikisht, temperatura m\u00eb e lart\u00eb e pjekjes do t\u00eb thot\u00eb q\u00eb 95% e stresit mund t\u00eb eliminohet pas 3 minutash; temperatura m\u00eb e ul\u00ebt e pjekjes rezulton n\u00eb nj\u00eb \u00e7lirim t\u00eb stresit 5% pas 3 minutash. N\u00eb praktik\u00ebn e prodhimit, temperatura e p\u00ebrdorur zakonisht \u00ebsht\u00eb 50\u00b0C m\u00eb e ul\u00ebt se temperatura m\u00eb e lart\u00eb e pjekjes dhe 100\u00b0C m\u00eb e lart\u00eb se temperatura m\u00eb e ul\u00ebt e pjekjes. Ka shum\u00eb m\u00ebnyra p\u00ebr pjekjen, por metoda kryesore \u00ebsht\u00eb pjekja n\u00eb furr\u00eb, e cila \u00ebsht\u00eb fokusi i k\u00ebtij diskutimi.<\/p>\n\n\n\n<p>Sipas parimit t\u00eb pjekjes s\u00eb p\u00ebrmendur m\u00eb sip\u00ebr, pjekja e xhamit kuarc ndahet n\u00eb kat\u00ebr faza: faza e ngrohjes, faza e temperatur\u00ebs konstante, faza e ftohjes dhe faza e ftohjes natyrale.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Faza e ngrohjes<\/strong> P\u00ebr xhamin kuarc, kjo pun\u00eb bazohet n\u00eb k\u00ebrkesat e pjekjes s\u00eb produkteve optike. I gjith\u00eb procesi i ngrohjes p\u00ebrfshin ngrohjen e ngadalt\u00eb deri n\u00eb 1100\u00b0C. Sipas p\u00ebrvoj\u00ebs, rritja e temperatur\u00ebs \u00ebsht\u00eb 4,5\/R\u00b2\u00b0C\/min, ku R \u00ebsht\u00eb rrezja e produktit t\u00eb qelqit t\u00eb kuarcit.<\/li>\n\n\n\n<li><strong>Faza e temperatur\u00ebs konstante<\/strong> Kur shufra e kuarcit arrin temperatur\u00ebn aktuale m\u00eb t\u00eb lart\u00eb t\u00eb pjekjes, trupi i furr\u00ebs mbahet n\u00eb nj\u00eb temperatur\u00eb konstante p\u00ebr t\u00eb siguruar ngrohje uniforme t\u00eb produktit, duke e p\u00ebrgatitur at\u00eb p\u00ebr hapin tjet\u00ebr t\u00eb ftohjes.<\/li>\n\n\n\n<li><strong>Faza e Ftohjes<\/strong> P\u00ebr t\u00eb eliminuar ose prodhuar shum\u00eb pak stres t\u00eb p\u00ebrhersh\u00ebm gjat\u00eb procesit t\u00eb ftohjes s\u00eb shufr\u00ebs s\u00eb kuarcit, temperatura duhet t\u00eb ulet ngadal\u00eb p\u00ebr t\u00eb parandaluar nj\u00eb gradient t\u00eb madh t\u00eb temperatur\u00ebs. Normat e ftohjes jan\u00eb si m\u00eb posht\u00eb:\n<ul class=\"wp-block-list\">\n<li>1100\u00b0C deri n\u00eb 950\u00b0C: 15\u00b0C\/or\u00eb<\/li>\n\n\n\n<li>950\u00b0C deri n\u00eb 750\u00b0C: 30\u00b0C\/or\u00eb<\/li>\n\n\n\n<li>750\u00b0C deri n\u00eb 450\u00b0C: 60\u00b0C\/or\u00eb<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Faza e ftohjes natyrale<\/strong> N\u00ebn 450\u00b0C, rryma e furr\u00ebs s\u00eb pjekjes fiket dhe mjedisi ruhet pa ndryshuar mjedisin e izolimit derisa t\u00eb ftohet natyrsh\u00ebm n\u00ebn 100\u00b0C. N\u00ebn 100\u00b0C, ambienti izolues hapet dhe ftohet n\u00eb temperatur\u00ebn e dhom\u00ebs.<\/li>\n<\/ol>\n\n\n\n<p>Koha dhe temperatura e p\u00ebrfshir\u00eb n\u00eb hapat e m\u00ebsip\u00ebrm bazohen n\u00eb rezultatet teorike dhe t\u00eb praktik\u00ebs s\u00eb prodhimit. Figura 1 tregon produktet eksperimentale t\u00eb d\u00ebshtuara p\u00ebr shkak t\u00eb ngrohjes s\u00eb pabarabart\u00eb t\u00eb shkaktuar nga ngrohja shum\u00eb e shkurt\u00ebr ose koha konstante e temperatur\u00ebs.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-bc46a4cd\"><h2 class=\"uagb-heading-text\">P\u00ebrfundim<\/h2><\/div>\n\n\n\n<p>N\u00eb procesin e prodhimit dhe p\u00ebrpunimit t\u00eb qelqit kuarc, stresi ekziston n\u00eb produktet n\u00eb \u00e7do faz\u00eb, qoft\u00eb e p\u00ebrkohshme apo e p\u00ebrhershme. Metoda t\u00eb tilla si &quot;flaka&quot;, &quot;acidi HF&quot; dhe &quot;furra e pjekjes&quot; mund t\u00eb p\u00ebrdoren p\u00ebr t\u00eb hequr stresin e p\u00ebrkohsh\u00ebm ose p\u00ebr t\u00eb reduktuar stresin e p\u00ebrhersh\u00ebm. Heqja e stresit \u00ebsht\u00eb thelb\u00ebsore p\u00ebr p\u00ebrmir\u00ebsimin e stabilitetit mekanik dhe uniformitetit optik t\u00eb produkteve t\u00eb kuarcit.<\/p>\n\n\n\n<p>N\u00eb GlobalQT (Global Quartz Tube), ne specializohemi n\u00eb cil\u00ebsi t\u00eb lart\u00eb <a href=\"https:\/\/globalquartztube.com\/sq\/products\/\" data-type=\"page\" data-id=\"2062\">produkte prej xhami kuarci<\/a> me zgjidhje t\u00eb personalizueshme p\u00ebr t\u00eb p\u00ebrmbushur nevojat tuaja specifike. P\u00ebr m\u00eb shum\u00eb informacion, vizitoni faqen ton\u00eb <a href=\"https:\/\/globalquartztube.com\/sq\/\">faqe interneti<\/a> ose na kontaktoni me email n\u00eb <a>contact@globalquartztube.com<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Introduction This research on the processing and annealing techniques of quartz glass is aimed at fiber optic production and related projects. It seeks to improve the stability of quartz products at high and normal temperatures through practice, ensuring smooth application of products in various scenarios. 2. Processing of Quartz Glass Products 2.1 Types of [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Research on Processing and Annealing Techniques of Quartz Glass","_seopress_titles_desc":"Explore the types, stress generation, and annealing techniques of quartz glass, improving stability for high-temperature applications through practical research.","_seopress_robots_index":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"ppma_author":[13],"class_list":["post-3698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","author-casper-peng"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass.webp",1024,1024,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass-150x150.webp",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass-300x300.webp",300,300,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass-768x768.webp",768,768,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass.webp",1024,1024,false],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass.webp",1024,1024,false],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass.webp",1024,1024,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/05\/Processing-and-Annealing-Techniques-of-Quartz-Glass-12x12.webp",12,12,true]},"uagb_author_info":{"display_name":"Peng, Casper","author_link":"https:\/\/globalquartztube.com\/sq\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"1. Introduction This research on the processing and annealing techniques of quartz glass is aimed at fiber optic production and related projects. It seeks to improve the stability of quartz products at high and normal temperatures through practice, ensuring smooth application of products in various scenarios. 2. Processing of Quartz Glass Products 2.1 Types of&hellip;","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/posts\/3698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/comments?post=3698"}],"version-history":[{"count":4,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/posts\/3698\/revisions"}],"predecessor-version":[{"id":4260,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/posts\/3698\/revisions\/4260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/media\/3701"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/media?parent=3698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/categories?post=3698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/tags?post=3698"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/sq\/wp-json\/wp\/v2\/ppma_author?post=3698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}