{"id":9065,"date":"2025-06-24T02:07:28","date_gmt":"2025-06-24T02:07:28","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=9065"},"modified":"2025-06-24T02:07:28","modified_gmt":"2025-06-24T02:07:28","slug":"tortenelmi-tenyek-az-aluminium-elemrol","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/hu\/historical-facts-about-the-aluminum-element\/","title":{"rendered":"T\u00f6rt\u00e9nelmi t\u00e9nyek az alum\u00ednium elemr\u0151l?"},"content":{"rendered":"<p><figure><img decoding=\"async\" src=\"https:\/\/sinoextrud.com\/wp-content\/uploads\/Aluminum-Profiles-Anodized-For-Cabinet-Furniture-Protection.webp\" alt=\"T\u00f6rt\u00e9nete alum\u00ednium elem | Alum\u00ednium profilok elox\u00e1lt szekr\u00e9ny b\u00fatorok v\u00e9delm\u00e9re\"><figcaption>Az alum\u00ednium t\u00f6rt\u00e9nete az \u0151si haszn\u00e1laton \u00e1t a 19. sz\u00e1zadi elszigetel\u00e9sig \u00e9s a 20. sz\u00e1zadi t\u00f6megtermel\u00e9sig terjed.<\/figcaption><\/figure>\n<\/p>\n<p>Az alum\u00ednium nem volt mindig elterjedt. Egykor \u00e9rt\u00e9kesebb volt, mint az arany, ma m\u00e1r \u00e9p\u00fcleteket keretez \u00e9s okostelefonokat m\u0171k\u00f6dtet.<\/p>\n<p><strong>Az alum\u00ednium t\u00f6rt\u00e9nete a vegy\u00fcletek \u0151si felhaszn\u00e1l\u00e1s\u00e1t\u00f3l a 19. sz\u00e1zadi izol\u00e1l\u00e1sig \u00e9s a 20. sz\u00e1zadi t\u00f6meggy\u00e1rt\u00e1sig terjed.<\/strong><\/p>\n<p>K\u00f6vess\u00fck nyomon a nemesf\u00e9mb\u0151l ipari h\u0151ss\u00e9 v\u00e1l\u00e1s\u00e1t.<\/p>\n<hr \/>\n<h2>Mikor \u00e9s hol izol\u00e1lt\u00e1k el\u0151sz\u00f6r az alum\u00edniumot?<\/h2>\n<p>Miel\u0151tt az emberek az alum\u00edniumot f\u00e9mk\u00e9nt ismert\u00e9k volna, olyan vegy\u00fcleteit haszn\u00e1lt\u00e1k fest\u00e9kekben \u00e9s gy\u00f3gyszerekben, mint az alum\u00ednium. A tiszta alum\u00ednium izol\u00e1l\u00e1sa azonban a k\u00e9mia \u00e9vsz\u00e1zados fejl\u0151d\u00e9s\u00e9t k\u00f6vetelte.<\/p>\n<p><strong>Az alum\u00edniumot el\u0151sz\u00f6r 1825-ben Hans Christian ?rsted izol\u00e1lta D\u00e1ni\u00e1ban, majd 1827-ben Friedrich W?hler N\u00e9metorsz\u00e1gban.<\/strong><\/p>\n<p><figure><img decoding=\"async\" src=\"https:\/\/sinoextrud.com\/wp-content\/uploads\/Aluminium-Glass-Fitting-Channel.webp\" alt=\"Az alum\u00ednium elem t\u00f6rt\u00e9nete | Alum\u00ednium \u00fcvegszerelv\u00e9ny csatorna\"><figcaption>Az alum\u00edniumot el\u0151sz\u00f6r 1825-ben Hans Christian Oersted izol\u00e1lta.<\/figcaption><\/figure>\n<\/p>\n<p>?rsted k\u00e9miai redukci\u00f3s elj\u00e1r\u00e1st alkalmazott, tiszt\u00e1talan alum\u00edniumot el\u0151\u00e1ll\u00edtva. W?hler k\u00e1liummal finom\u00edtotta a technik\u00e1t, f\u00e9mport el\u0151\u00e1ll\u00edtva. K\u00e9s\u0151bb, 1854-ben Henri Sainte-Claire Deville n\u00e1triumot haszn\u00e1lt, hogy hat\u00e9konyabban izol\u00e1lja azt.<\/p>\n<h3>Id\u0151vonal t\u00e1bl\u00e1zat: Korai izol\u00e1ci\u00f3<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u00c9v<\/th>\n<th>Tud\u00f3s<\/th>\n<th>Orsz\u00e1g<\/th>\n<th>Discovery<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>KR.E. 5000<\/td>\n<td>\u0150si civiliz\u00e1ci\u00f3k<\/td>\n<td>Mezopot\u00e1mia<\/td>\n<td>Haszn\u00e1lt alum\u00ednium (vegy\u00fclet) a text\u00edli\u00e1kban<\/td>\n<\/tr>\n<tr>\n<td>1825<\/td>\n<td>Hans Christian ?rsted<\/td>\n<td>D\u00e1nia<\/td>\n<td>Els\u0151 elszigetelt tiszt\u00e1talan alum\u00ednium<\/td>\n<\/tr>\n<tr>\n<td>1827<\/td>\n<td>Friedrich W?hler<\/td>\n<td>N\u00e9metorsz\u00e1g<\/td>\n<td>Gy\u00e1rtott alum\u00ednium por<\/td>\n<\/tr>\n<tr>\n<td>1854<\/td>\n<td>Henri Deville<\/td>\n<td>Franciaorsz\u00e1g<\/td>\n<td>Jav\u00edtott extrakci\u00f3 n\u00e1triummal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><div class=\"claim claim-true\" style=\"background-color: #e6f3e6; border-color: #e6f3e6; color: #2e8b57;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg> <b>Az alum\u00edniumot mint f\u00e9met el\u0151sz\u00f6r az 1820-as \u00e9vekben k\u00fcl\u00f6n\u00edtett\u00e9k el.<\/b><span class='claim-true-or-false'>Igaz<\/span><\/p><p class='claim-explanation'>Hans Christian ?rsted 1825-ben izol\u00e1lta a tiszt\u00e1talan alum\u00edniumot, \u00edgy \u0151 volt az els\u0151, aki a f\u00e9met kinyerte.<\/p><\/div><br \/>\n<div class=\"claim claim-false\" style=\"background-color: #f8e6e6; border-color: #f8e6e6; color: #dc143c;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m14.5 9.5-5 5\"\/><path d=\"m9.5 9.5 5 5\"\/><\/svg> <b>Az alum\u00edniumot \u0151sid\u0151k \u00f3ta haszn\u00e1lj\u00e1k f\u00e9mk\u00e9nt.<\/b><span class='claim-true-or-false'>Hamis<\/span><\/p><p class='claim-explanation'>Az \u00f3kori emberek alum\u00edniumot (vegy\u00fcletet) haszn\u00e1ltak, de a tiszta f\u00e9met csak a 19. sz\u00e1zadban izol\u00e1lt\u00e1k.<\/p><\/div><\/p>\n<hr \/>\n<h2>Hogyan fejl\u0151dtek a kitermel\u00e9si m\u00f3dszerek?<\/h2>\n<p>A kezdeti id\u0151kben az alum\u00ednium olyan ritka volt, hogy luxusf\u00e9mnek sz\u00e1m\u00edtott. De az ipari \u00e1tt\u00f6r\u00e9sek megv\u00e1ltoztatt\u00e1k ezt.<\/p>\n<p><strong>A Hall-H\u00e9roult-elj\u00e1r\u00e1s (1886) \u00e9s a Bayer-elj\u00e1r\u00e1s (1887) lehet\u0151v\u00e9 tette az alum\u00ednium t\u00f6meges el\u0151\u00e1ll\u00edt\u00e1s\u00e1t bauxitb\u00f3l.<\/strong><\/p>\n<p><figure><img decoding=\"async\" src=\"https:\/\/sinoextrud.com\/wp-content\/uploads\/Round-Aluminum-Extrusion-Profiles.webp\" alt=\"Az alum\u00ednium elem t\u00f6rt\u00e9nete | Kerek alum\u00ednium extrud\u00e1l\u00e1s profilok\"><figcaption>A Hall-H\u00e9roult-elj\u00e1r\u00e1s lehet\u0151v\u00e9 tette a bauxitb\u00f3l t\u00f6rt\u00e9n\u0151 t\u00f6meges alum\u00edniumgy\u00e1rt\u00e1st.<\/figcaption><\/figure>\n<\/p>\n<p>Charles Martin Hall (USA) \u00e9s Paul H\u00e9roult (Franciaorsz\u00e1g) egym\u00e1st\u00f3l f\u00fcggetlen\u00fcl fejlesztette ki az olvadt kriolitban t\u00f6rt\u00e9n\u0151 elektrol\u00edzist az alum\u00ednium olcs\u00f3 el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra. Nem sokkal k\u00e9s\u0151bb Karl Bayer feltal\u00e1lt egy elj\u00e1r\u00e1st a bauxit\u00e9rcb\u0151l val\u00f3 hat\u00e9kony timf\u00f6ld kinyer\u00e9s\u00e9re.<\/p>\n<h3>Kivon\u00e1si evol\u00faci\u00f3s t\u00e1bl\u00e1zat<\/h3>\n<table>\n<thead>\n<tr>\n<th>Id\u0151szak<\/th>\n<th>M\u00f3dszer<\/th>\n<th>Kulcsfontoss\u00e1g\u00fa innov\u00e1torok<\/th>\n<th>Hat\u00e1s<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1825-1856<\/td>\n<td>K\u00e1lium\/n\u00e1trium cs\u00f6kkent\u00e9s<\/td>\n<td>?rsted, W?hler, Deville<\/td>\n<td>Laborat\u00f3riumi m\u00e9ret\u0171, dr\u00e1ga<\/td>\n<\/tr>\n<tr>\n<td>1886<\/td>\n<td>Hall-H\u00e9roult (elektrol\u00edzis)<\/td>\n<td>Hall, H\u00e9roult<\/td>\n<td>Jelent\u0151s k\u00f6lts\u00e9gcs\u00f6kken\u00e9s, ipari m\u00e9retben<\/td>\n<\/tr>\n<tr>\n<td>1887-1889<\/td>\n<td>Bayer-elj\u00e1r\u00e1s (timf\u00f6ld)<\/td>\n<td>Karl Bayer<\/td>\n<td>A bauxit \u00e9letk\u00e9pes nyersanyagg\u00e1 v\u00e1lt<\/td>\n<\/tr>\n<tr>\n<td>1900-as \u00e9vek-most<\/td>\n<td>Kombin\u00e1lt Bayer + Hall-H\u00e9roult<\/td>\n<td>Glob\u00e1lis ipar\u00e1gak<\/td>\n<td>Nagyszab\u00e1s\u00fa termel\u00e9s vil\u00e1gszerte<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><div class=\"claim claim-true\" style=\"background-color: #e6f3e6; border-color: #e6f3e6; color: #2e8b57;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg> <b>A Hall-H\u00e9roult-elj\u00e1r\u00e1s sz\u00e9les k\u00f6rben el\u00e9rhet\u0151v\u00e9 tette az alum\u00edniumot.<\/b><span class='claim-true-or-false'>Igaz<\/span><\/p><p class='claim-explanation'>Az elektrolitikus m\u00f3dszer lehet\u0151v\u00e9 tette a t\u00f6meggy\u00e1rt\u00e1st, ami dr\u00e1maian cs\u00f6kkentette a k\u00f6lts\u00e9geket.<\/p><\/div><br \/>\n<div class=\"claim claim-false\" style=\"background-color: #f8e6e6; border-color: #f8e6e6; color: #dc143c;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m14.5 9.5-5 5\"\/><path d=\"m9.5 9.5 5 5\"\/><\/svg> <b>A Bayer-elj\u00e1r\u00e1s k\u00f6zvetlen\u00fcl f\u00e9mes alum\u00edniumot \u00e1ll\u00edt el\u0151.<\/b><span class='claim-true-or-false'>Hamis<\/span><\/p><p class='claim-explanation'>A Bayer-elj\u00e1r\u00e1s a bauxitot timf\u00f6ldd\u00e9 finom\u00edtja; a f\u00e9m elektrol\u00edzissel k\u00e9sz\u00fcl.<\/p><\/div><\/p>\n<hr \/>\n<h2>Milyen f\u0151bb felhaszn\u00e1l\u00e1si m\u00f3dok alakultak ki a korai iparban?<\/h2>\n<p>Az alum\u00ednium korai felhaszn\u00e1l\u00e1sa ink\u00e1bb szimbolikus, mint szerkezeti jelleg\u0171 volt. Az olcs\u00f3bb gy\u00e1rt\u00e1ssal azonban megjelentek az igazi lehet\u0151s\u00e9gei.<\/p>\n<p><strong>A korai felhaszn\u00e1l\u00e1si ter\u00fcletek k\u00f6z\u00e9 tartoztak az asztali ed\u00e9nyek, \u00e9kszerek, eml\u00e9km\u0171vek, az 1900-as \u00e9vekre pedig rep\u00fcl\u0151g\u00e9pek, elektromos vezet\u00e9kek \u00e9s haj\u00f3k.<\/strong><\/p>\n<p><figure><img decoding=\"async\" src=\"https:\/\/sinoextrud.com\/wp-content\/uploads\/Custom-High-quality-Reinforced-Aluminum-Flood-Planks-Aluminum-Flood-Barrier-Profiles.webp\" alt=\"T\u00f6rt\u00e9nete alum\u00ednium elem | Egyedi Kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171 meger\u0151s\u00edtett alum\u00ednium \u00e1rv\u00edz deszk\u00e1k alum\u00ednium \u00e1rv\u00edz g\u00e1t profilok\"><figcaption>Korai felhaszn\u00e1l\u00e1si ter\u00fcletei k\u00f6z\u00e9 tartoztak az asztali ed\u00e9nyek, \u00e9kszerek, eml\u00e9km\u0171kupakok \u00e9s rep\u00fcl\u0151g\u00e9p-alkatr\u00e9szek.<\/figcaption><\/figure>\n<\/p>\n<p>1855-ben III. Nap\u00f3leon h\u00edres volt arr\u00f3l, hogy alum\u00ednium ev\u0151eszk\u00f6z\u00f6ket k\u00e9sz\u00edttetett a VIP-k sz\u00e1m\u00e1ra. 1884-re a Washington-eml\u00e9km\u0171 sapk\u00e1j\u00e1t alum\u00edniumb\u00f3l \u00f6nt\u00f6tt\u00e9k - akkoriban ez olyan \u00e9rt\u00e9kes volt, mint az ez\u00fcst.<\/p>\n<h3>Korai felhaszn\u00e1l\u00e1si esetek t\u00e1bl\u00e1zata<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u00c9v<\/th>\n<th>Term\u00e9k<\/th>\n<th>Megjegyz\u00e9sek<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1855<\/td>\n<td>Ed\u00e9nyek, \u00e9kszerek<\/td>\n<td>Luxuscikkek a p\u00e1rizsi ki\u00e1ll\u00edt\u00e1son<\/td>\n<\/tr>\n<tr>\n<td>1884<\/td>\n<td>Washington Monument sapka<\/td>\n<td>Nemzeti b\u00fcszkes\u00e9gk\u00e9nt bemutatott anyag<\/td>\n<\/tr>\n<tr>\n<td>1890s<\/td>\n<td>Fot\u00f3felszerel\u00e9s, haszn\u00e1lati t\u00e1rgyak<\/td>\n<td>Most megfizethet\u0151 a k\u00f6z\u00e9poszt\u00e1ly sz\u00e1m\u00e1ra<\/td>\n<\/tr>\n<tr>\n<td>1900-as \u00e9vek-WWI<\/td>\n<td>Rep\u00fcl\u0151g\u00e9p-alkatr\u00e9szek, k\u00e1belek<\/td>\n<td>Az ac\u00e9l\/r\u00e9z k\u00f6nny\u0171 alternat\u00edv\u00e1ja<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>A m\u00e1sodik vil\u00e1gh\u00e1bor\u00faban az alum\u00ednium n\u00e9lk\u00fcl\u00f6zhetetlen volt a rep\u00fcl\u0151g\u00e9pgy\u00e1rt\u00e1sban, a radarrendszerekben \u00e9s a katonai felszerel\u00e9sekben. K\u00f6nny\u0171 s\u00falya \u00e9s rozsd\u00e1val szembeni ellen\u00e1ll\u00f3k\u00e9pess\u00e9ge ide\u00e1lisnak bizonyult.<\/p>\n<hr \/>\n<h2>Hogyan v\u00e1ltozott az \u00e1rk\u00e9pz\u00e9s az \u00e9vtizedek sor\u00e1n?<\/h2>\n<p>Amikor az alum\u00ednium el\u0151sz\u00f6r ker\u00fclt a piacra, az \u00e1ra nemesf\u00e9mk\u00e9nt volt meghat\u00e1rozva. De az innov\u00e1ci\u00f3 mindent megv\u00e1ltoztatott.<\/p>\n<p><strong>Az 1850-es \u00e9vekben az alum\u00ednium dr\u00e1g\u00e1bb volt, mint az arany. Az 1900-as \u00e9vekre az \u00e1rak 95% f\u00f6l\u00e9 cs\u00f6kkentek, \u00edgy az alum\u00ednium megfizethet\u0151 ipari f\u00e9m lett.<\/strong><\/p>\n<p><figure><img decoding=\"async\" src=\"https:\/\/sinoextrud.com\/wp-content\/uploads\/T-Slot-Aluminum-Extrusion-Profile-For-Industrial-Assembly-Line.webp\" alt=\"T\u00f6rt\u00e9nete alum\u00ednium elem | T Slot alum\u00ednium extrud\u00e1l\u00e1s profil ipari szerel\u0151sorhoz\"><figcaption>Az 1850-es \u00e9vekben az alum\u00ednium dr\u00e1g\u00e1bb volt, mint az arany, de az ipari folyamatoknak k\u00f6sz\u00f6nhet\u0151en cs\u00f6kkent az \u00e1ra.<\/figcaption><\/figure>\n<\/p>\n<p>Az 1850-es \u00e9vekben k\u00f6r\u00fclbel\u00fcl \\$500 fontba ker\u00fclt (mai doll\u00e1rban). A Hall-H\u00e9roult-elj\u00e1r\u00e1snak k\u00f6sz\u00f6nhet\u0151en 1900-ra ez az \u00e1r \\$1\/lb al\u00e1 cs\u00f6kkent. Ma az \u00fajrahasznos\u00edtott alum\u00ednium az energiatakar\u00e9koss\u00e1gnak k\u00f6sz\u00f6nhet\u0151en m\u00e9g kevesebbe ker\u00fcl.<\/p>\n<h3>\u00c1r trend t\u00e1bl\u00e1zat<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u00c9v<\/th>\n<th>Hozz\u00e1vet\u0151leges \u00e1r\/lb<\/th>\n<th>Megjegyz\u00e9sek<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1850s<\/td>\n<td>\\$500+<\/td>\n<td>Dr\u00e1g\u00e1bb, mint az arany<\/td>\n<\/tr>\n<tr>\n<td>1880s<\/td>\n<td>\\$17<\/td>\n<td>A Deville elj\u00e1r\u00e1sa cs\u00f6kkentette a k\u00f6lts\u00e9geket<\/td>\n<\/tr>\n<tr>\n<td>1890s<\/td>\n<td>\\$1.00<\/td>\n<td>Hall-H\u00e9roult kereskedelmi felhaszn\u00e1l\u00e1s<\/td>\n<\/tr>\n<tr>\n<td>1950s<\/td>\n<td>\\$0.30-0.50<\/td>\n<td>Sz\u00e9les k\u00f6rben elfogadott ipari f\u00e9m<\/td>\n<\/tr>\n<tr>\n<td>2000-es \u00e9vek-Now<\/td>\n<td>\\$0.70-1.20<\/td>\n<td>Piaci ingadoz\u00e1sok + \u00fajrahasznos\u00edt\u00e1s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Az alum\u00ednium \u00fajrahasznos\u00edt\u00e1sa 95% energi\u00e1t takar\u00edt meg az \u00faj f\u00e9m el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz k\u00e9pest, \u00edgy a k\u00f6lts\u00e9gek alacsonyak \u00e9s stabilak maradnak.<\/p>\n<p><div class=\"claim claim-true\" style=\"background-color: #e6f3e6; border-color: #e6f3e6; color: #2e8b57;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m9 12 2 2 4-4\"\/><\/svg> <b>Az alum\u00ednium egykor a legdr\u00e1g\u00e1bb f\u00e9m volt a F\u00f6ld\u00f6n.<\/b><span class='claim-true-or-false'>Igaz<\/span><\/p><p class='claim-explanation'>1886 el\u0151tt az alum\u00ednium a korl\u00e1tozott kitermel\u00e9si m\u00f3dszerek miatt \u00e9rt\u00e9kesebb volt, mint az arany.<\/p><\/div><br \/>\n<div class=\"claim claim-false\" style=\"background-color: #f8e6e6; border-color: #f8e6e6; color: #dc143c;\"><p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"transparent\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z\"\/><path d=\"m14.5 9.5-5 5\"\/><path d=\"m9.5 9.5 5 5\"\/><\/svg> <b>Az alum\u00ednium \u00e1ra a b\u0151s\u00e9g miatt mindig is alacsony volt.<\/b><span class='claim-true-or-false'>Hamis<\/span><\/p><p class='claim-explanation'>A korai alum\u00ednium ritka \u00e9s dr\u00e1ga volt; csak az innov\u00e1ci\u00f3k tett\u00e9k megfizethet\u0151v\u00e9.<\/p><\/div><\/p>\n<hr \/>\n<h2>K\u00f6vetkeztet\u00e9s<\/h2>\n<p>Az alum\u00ednium t\u00f6rt\u00e9nete az innov\u00e1ci\u00f3 t\u00f6rt\u00e9nete.<br \/>\nT\u00f6rt\u00e9nete az \u0151si vegy\u00fcletekt\u0151l a modern \u00f6tv\u00f6zetekig k\u00f6veti az emberi fejl\u0151d\u00e9st.<br \/>\nEgykor ritka, ma m\u00e1r n\u00e9lk\u00fcl\u00f6zhetetlen - rep\u00fcl\u0151g\u00e9peket hajt meg, \u00e9p\u00fcleteket keretez, \u00e9s \u00e9lelmiszereket csomagol be.<br \/>\nAz 1800-as \u00e9vek kulcsfontoss\u00e1g\u00fa \u00e1tt\u00f6r\u00e9seinek k\u00f6sz\u00f6nhet\u0151en az alum\u00ednium laborat\u00f3riumi \u00e9rdekess\u00e9gb\u0151l a modern ipar alapj\u00e1v\u00e1 v\u00e1lt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Aluminum\u2019s history spans ancient use to 19th-century isolation and 20th-century mass production Aluminum wasn&#8217;t always common. Once more valuable than gold, it now frames our buildings and powers our smartphones. Aluminum\u2019s history spans ancient use of compounds to 19th-century isolation and 20th-century mass production. Let&#8217;s trace its evolution from precious metal to industrial hero. When [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":7655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/posts\/9065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/comments?post=9065"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/posts\/9065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/media\/7655"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/media?parent=9065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/categories?post=9065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/hu\/wp-json\/wp\/v2\/tags?post=9065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}