{"id":8644,"date":"2026-02-06T14:05:51","date_gmt":"2026-02-06T06:05:51","guid":{"rendered":"https:\/\/www.sic-wafers.com\/?p=8644"},"modified":"2026-02-06T14:05:55","modified_gmt":"2026-02-06T06:05:55","slug":"high-temperature-dic-sapphire-vs-quartz-as-window-materials","status":"publish","type":"post","link":"https:\/\/www.sic-wafers.com\/hu\/high-temperature-dic-sapphire-vs-quartz-as-window-materials\/","title":{"rendered":"Magas h\u0151m\u00e9rs\u00e9klet\u0171 DIC: Zaf\u00edr vs. kvarc mint ablakanyagok"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>\n<p>A digit\u00e1lis k\u00e9pkorrel\u00e1ci\u00f3 (DIC) az anyagkutat\u00e1sban az \u00e9rint\u00e9smentes alakv\u00e1ltoz\u00e1s- \u00e9s deform\u00e1ci\u00f3m\u00e9r\u00e9sek n\u00e9lk\u00fcl\u00f6zhetetlen eszk\u00f6z\u00e9v\u00e9 v\u00e1lt. A magas h\u0151m\u00e9rs\u00e9klet\u0171 alkalmaz\u00e1sokban a megfelel\u0151 ablakanyag kiv\u00e1laszt\u00e1sa kritikus fontoss\u00e1g\u00fa, mivel k\u00f6zvetlen\u00fcl befoly\u00e1solja az optikai tisztas\u00e1got, a h\u0151stabilit\u00e1st \u00e9s a k\u00eds\u00e9rleti pontoss\u00e1got. A magas h\u0151m\u00e9rs\u00e9klet\u0171 ablakok k\u00e9t gyakori v\u00e1laszt\u00e1sa a zaf\u00edr (egykrist\u00e1lyos Al\u2082O\u2083) \u00e9s a kvarc (SiO\u2082), amelyek mindegyike rendelkezik k\u00fcl\u00f6nb\u00f6z\u0151 el\u0151ny\u00f6kkel \u00e9s korl\u00e1tokkal.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-dominant-color=\"bbcbdc\" data-has-transparency=\"false\" style=\"--dominant-color: #bbcbdc;\" fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp\" alt=\"\" class=\"wp-image-8013 not-transparent\" srcset=\"https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp 600w, https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-300x300.webp 300w, https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-150x150.webp 150w, https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-100x100.webp 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">1. H\u0151stabilit\u00e1s<\/h4>\n\n\n\n<p>A magas h\u0151m\u00e9rs\u00e9klet\u0171 DIC-k\u00eds\u00e9rletek gyakran meghaladj\u00e1k a 600-1000 \u00b0C-ot, ami jelent\u0151s termikus ig\u00e9nybev\u00e9telt jelent az ablak anyag\u00e1val szemben.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaf\u00edr:<\/strong> Rendk\u00edv\u00fcl magas olvad\u00e1spontot (~2030 \u00b0C) \u00e9s kiv\u00e1l\u00f3 h\u0151\u00e1ll\u00f3s\u00e1got mutat. H\u0151vezet\u0151 k\u00e9pess\u00e9ge (~35 W\/m-K szobah\u0151m\u00e9rs\u00e9kleten) jobb, mint a kvarc\u00e9, ami gyors h\u0151elvezet\u00e9st \u00e9s cs\u00f6kkentett helyi h\u0151gradienseket tesz lehet\u0151v\u00e9, amelyek torz\u00edthatj\u00e1k az optikai m\u00e9r\u00e9seket.<\/li>\n\n\n\n<li><strong>Kvarc:<\/strong> Az olvasztott szil\u00edcium-dioxidnak alacsonyabb a l\u00e1gyul\u00e1spontja (~1600 \u00b0C) \u00e9s rosszabb a h\u0151vezet\u0151 k\u00e9pess\u00e9ge (~1,4 W\/m-K). B\u00e1r a kvarcablakok alkalmasak m\u00e9rs\u00e9kelten magas h\u0151m\u00e9rs\u00e9klet\u0171 k\u00eds\u00e9rletekhez, gyors h\u0151m\u00e9rs\u00e9klet-v\u00e1ltoz\u00e1sok eset\u00e9n mikroreped\u00e9sek vagy deform\u00e1ci\u00f3 alakulhat ki rajtuk, ami vesz\u00e9lyeztetheti a DIC pontoss\u00e1g\u00e1t.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Mechanikai szil\u00e1rds\u00e1g \u00e9s tart\u00f3ss\u00e1g<\/h4>\n\n\n\n<p>Az ablakok anyagainak ellen kell \u00e1llniuk a szerelv\u00e9nyekb\u0151l ered\u0151 mechanikai ig\u00e9nybev\u00e9telnek, a h\u0151t\u00e1gul\u00e1si elt\u00e9r\u00e9seknek \u00e9s az alkalmi \u00e9rintkez\u00e9snek.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaf\u00edr:<\/strong> 9-es Mohs-kem\u00e9nys\u00e9ggel rendelkezik, \u00edgy rendk\u00edv\u00fcl karc- \u00e9s kop\u00e1s\u00e1ll\u00f3. T\u00f6r\u00e9si sz\u00edv\u00f3ss\u00e1ga nagyobb, mint a kvarc\u00e9, ami cs\u00f6kkenti a katasztrof\u00e1lis meghib\u00e1sod\u00e1s kock\u00e1zat\u00e1t zord k\u00f6rnyezetben.<\/li>\n\n\n\n<li><strong>Kvarc:<\/strong> A puh\u00e1bb (Mohs ~7) \u00e9s t\u00f6r\u00e9kenyebb kvarc hajlamos a mechanikai ig\u00e9nybev\u00e9tel hat\u00e1s\u00e1ra t\u00f6rt\u00e9n\u0151 forg\u00e1csol\u00f3d\u00e1sra vagy reped\u00e9sre, k\u00fcl\u00f6n\u00f6sen magas h\u0151m\u00e9rs\u00e9kleten.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. Optikai \u00e1tl\u00e1that\u00f3s\u00e1g \u00e9s m\u00e9r\u00e9si pontoss\u00e1g<\/h4>\n\n\n\n<p>A DIC az ablakon kereszt\u00fcl t\u00f6rt\u00e9n\u0151 tiszta k\u00e9palkot\u00e1sra t\u00e1maszkodik; b\u00e1rmilyen abszorpci\u00f3, sz\u00f3r\u00f3d\u00e1s vagy kett\u0151st\u00f6r\u00e9s m\u00e9r\u00e9si hib\u00e1kat okozhat.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaf\u00edr:<\/strong> \u00c1tl\u00e1tsz\u00f3 az ultraiboly\u00e1t\u00f3l (~200 nm) az infrav\u00f6r\u00f6sig (~5 \u00b5m), minim\u00e1lis optikai torz\u00edt\u00e1ssal. Magas t\u00f6r\u00e9smutat\u00f3ja (n \u2248 1,76) a nagy pontoss\u00e1g\u00fa k\u00e9palkot\u00e1shoz gondos t\u00fckr\u00f6z\u0151d\u00e9sg\u00e1tl\u00f3 bevonatokat ig\u00e9nyel, de \u00e1ltal\u00e1ban kiv\u00e1l\u00f3 f\u00e9ny\u00e1tereszt\u00e9st biztos\u00edt.<\/li>\n\n\n\n<li><strong>Kvarc:<\/strong> \u00c1tl\u00e1tsz\u00f3 az UV (~180 nm) \u00e9s a k\u00f6zeli IR (~3,5 \u00b5m) tartom\u00e1nyban, nagyon alacsony bels\u0151 kett\u0151st\u00f6r\u00e9ssel. A magas h\u0151m\u00e9rs\u00e9kleten fell\u00e9p\u0151 h\u0151gradiensek azonban helyi t\u00f6r\u00e9smutat\u00f3-v\u00e1ltoz\u00e1sokat id\u00e9zhetnek el\u0151, ami a zaf\u00edrhoz k\u00e9pest kiss\u00e9 cs\u00f6kkenti a m\u00e9r\u00e9si h\u0171s\u00e9get.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. K\u00e9miai ellen\u00e1ll\u00e1s<\/h4>\n\n\n\n<p>A magas h\u0151m\u00e9rs\u00e9klet\u0171 k\u00eds\u00e9rletekhez reakt\u00edv l\u00e9gk\u00f6r\u00f6k, p\u00e9ld\u00e1ul oxig\u00e9n, argon vagy ak\u00e1r olvadt s\u00f3k is haszn\u00e1lhat\u00f3k.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaf\u00edr:<\/strong> K\u00e9miailag inert \u00e9s magas h\u0151m\u00e9rs\u00e9kleten ellen\u00e1ll az oxid\u00e1ci\u00f3nak, savaknak \u00e9s a legt\u00f6bb reakt\u00edv g\u00e1znak.<\/li>\n\n\n\n<li><strong>Kvarc:<\/strong> \u00c1ltal\u00e1ban k\u00e9miailag stabil, de bizonyos l\u00faggg\u0151z\u00f6kkel szemben kev\u00e9sb\u00e9 ellen\u00e1ll\u00f3, \u00e9s tart\u00f3san magas h\u0151m\u00e9rs\u00e9kleten hajlamosabb a devitrifik\u00e1ci\u00f3ra.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. K\u00f6lts\u00e9gek \u00e9s gy\u00e1rt\u00e1si szempontok<\/h4>\n\n\n\n<p>B\u00e1r a teljes\u00edtm\u00e9ny kritikus, olyan gyakorlati t\u00e9nyez\u0151k is sz\u00e1m\u00edtanak, mint a k\u00f6lts\u00e9g, a rendelkez\u00e9sre \u00e1ll\u00e1s \u00e9s az ablak m\u00e9rete.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zaf\u00edr:<\/strong> Dr\u00e1g\u00e1bb \u00e9s korl\u00e1tozott m\u00e9ret\u0171 a kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171 optikai ablakok eset\u00e9ben. A gy\u00e1rt\u00e1s \u00e9s a pol\u00edroz\u00e1s speci\u00e1lis technik\u00e1kat ig\u00e9nyel.<\/li>\n\n\n\n<li><strong>Kvarc:<\/strong> Megfizethet\u0151bb, nagyobb m\u00e9retben k\u00f6nnyebben gy\u00e1rthat\u00f3 \u00e9s sz\u00e9les k\u00f6rben el\u00e9rhet\u0151, \u00edgy kev\u00e9sb\u00e9 ig\u00e9nyes, magas h\u0151m\u00e9rs\u00e9klet\u0171 DIC-alkalmaz\u00e1sokhoz is alkalmas.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">K\u00f6vetkeztet\u00e9s<\/h4>\n\n\n\n<p>Nagy h\u0151m\u00e9rs\u00e9klet\u0171, ~800 \u00b0C-ot meghalad\u00f3 DIC-k\u00eds\u00e9rletekhez vagy nagy mechanikai \u00e9s termikus robusztuss\u00e1got ig\u00e9nyl\u0151 vizsg\u00e1latokhoz, <a href=\"https:\/\/www.sic-wafers.com\/hu\/product-category\/sapphireal%e2%82%82o%e2%82%83\/sapphire-windows\/\">zaf\u00edr ablakok<\/a> kiv\u00e9teles h\u0151stabilit\u00e1suk, mechanikai szil\u00e1rds\u00e1guk \u00e9s optikai tisztas\u00e1guk miatt a legjobb v\u00e1laszt\u00e1s. A kvarc tov\u00e1bbra is \u00e9letk\u00e9pes, k\u00f6lts\u00e9ghat\u00e9kony megold\u00e1s m\u00e9rs\u00e9kelt h\u0151m\u00e9rs\u00e9kleten \u00e9s kev\u00e9sb\u00e9 ig\u00e9nyes k\u00eds\u00e9rleti be\u00e1ll\u00edt\u00e1sok eset\u00e9n. A megfelel\u0151 ablakanyag kiv\u00e1laszt\u00e1sa v\u00e9gs\u0151 soron a DIC-alkalmaz\u00e1s konkr\u00e9t h\u0151m\u00e9rs\u00e9klettartom\u00e1ny\u00e1t\u00f3l, mechanikai ig\u00e9nybev\u00e9tel\u00e9t\u0151l, k\u00e9miai k\u00f6rnyezet\u00e9t\u0151l \u00e9s k\u00f6lts\u00e9gvet\u00e9si korl\u00e1tait\u00f3l f\u00fcgg.<\/p>","protected":false},"excerpt":{"rendered":"<p>Digital Image Correlation (DIC) has become an indispensable tool for non-contact strain and deformation measurements in materials research. In high-temperature applications, selecting the appropriate window material is critical, as it directly impacts optical clarity, thermal stability, and experimental accuracy. Two common choices for high-temperature windows are sapphire (single-crystal Al\u2082O\u2083) and quartz (SiO\u2082), each with distinct [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":8013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[12,27],"tags":[1432,1853,1848,1847,1851,1850,1849,1852,1211],"class_list":["post-8644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-companynews","tag-chemical-resistance","tag-digital-image-correlation","tag-high-temperature-dic","tag-high-temperature-measurement","tag-mechanical-strength","tag-optical-window","tag-quartz-window","tag-sapphire-window","tag-thermal-stability"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-150x150.webp",150,150,true],"medium":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-300x300.webp",300,300,true],"medium_large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"1536x1536":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"2048x2048":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"trp-custom-language-flag":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",12,12,false],"woocommerce_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-300x300.webp",300,300,true],"woocommerce_single":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1.webp",600,600,false],"woocommerce_gallery_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/sapphire-windows-1-100x100.webp",100,100,true]},"uagb_author_info":{"display_name":"lydia","author_link":"https:\/\/www.sic-wafers.com\/hu\/author\/lydia\/"},"uagb_comment_info":2,"uagb_excerpt":"Digital Image Correlation (DIC) has become an indispensable tool for non-contact strain and deformation measurements in materials research. In high-temperature applications, selecting the appropriate window material is critical, as it directly impacts optical clarity, thermal stability, and experimental accuracy. Two common choices for high-temperature windows are sapphire (single-crystal Al\u2082O\u2083) and quartz (SiO\u2082), each with distinct&hellip;","_links":{"self":[{"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/posts\/8644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/comments?post=8644"}],"version-history":[{"count":1,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/posts\/8644\/revisions"}],"predecessor-version":[{"id":8645,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/posts\/8644\/revisions\/8645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/media\/8013"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/media?parent=8644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/categories?post=8644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/hu\/wp-json\/wp\/v2\/tags?post=8644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}