{"id":1718,"date":"2019-05-22T02:47:44","date_gmt":"2019-05-22T02:47:44","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-a-minute-to-learn-the-difference-between-cemented-carbide-and-superalloy\/"},"modified":"2020-05-04T13:12:05","modified_gmt":"2020-05-04T13:12:05","slug":"a-minute-to-learn-the-difference-between-cemented-carbide-and-superalloy","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/cimentolu-karbur-ve-super-alasim-arasindaki-farki-ogrenmek-icin-bir-dakika\/","title":{"rendered":"Semente karb\u00fcr ve s\u00fcperala\u015f\u0131m aras\u0131ndaki fark\u0131 \u00f6\u011frenmek i\u00e7in bir dakika"},"content":{"rendered":"
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\u00c7imentolu karb\u00fcr<\/h2>\n
Semente karb\u00fcr\u00fcn taban\u0131 iki k\u0131s\u0131mdan olu\u015fur: bir k\u0131sm\u0131 sertle\u015ftirilmi\u015f fazd\u0131r; di\u011fer k\u0131s\u0131m ba\u011fl\u0131 metaldir.<\/div>\n
Sertle\u015ftirilmi\u015f faz, tungsten karb\u00fcr, titanyum karb\u00fcr ve tantal karb\u00fcr gibi periyodik tablodaki bir ge\u00e7i\u015f metali karb\u00fcrd\u00fcr. Sertlikleri y\u00fcksektir, erime noktas\u0131 2000 \u00b0 C'nin \u00fczerindedir ve baz\u0131lar\u0131 4000 \u00b0 C'yi bile a\u015far. Ek olarak, ge\u00e7i\u015f metallerinin nitr\u00fcrleri, boridleri ve silikatlar\u0131 benzer \u00f6zelliklere sahiptir ve ayr\u0131ca \u00e7imentolu karb\u00fcrlerde sertle\u015ftirilmi\u015f fazlar olarak da i\u015flev g\u00f6rebilir. Sertle\u015ftirilmi\u015f faz\u0131n varl\u0131\u011f\u0131, ala\u015f\u0131m\u0131n son derece y\u00fcksek sertli\u011fini ve a\u015f\u0131nma direncini belirler. Ba\u011flay\u0131c\u0131 metal genellikle bir demir grubu metalidir ve yayg\u0131n olarak kobalt ve nikel kullan\u0131l\u0131r.<\/div>\n
\u00c7imentolu karb\u00fcr \u00fcretilirken, kullan\u0131lan hammadde tozu 1 ila 2 mikron aras\u0131nda bir par\u00e7ac\u0131k boyutuna sahiptir ve olduk\u00e7a saft\u0131r. Hammaddeler, belirtilen bile\u015fim oran\u0131na g\u00f6re bile\u015fik haline getirilir, alkol veya ba\u015fka bir ortamla ilave edilir, \u0131slak bir bilyal\u0131 de\u011firmende \u0131slak \u00f6\u011f\u00fct\u00fcl\u00fcr, b\u00f6ylece iyice kar\u0131\u015ft\u0131r\u0131l\u0131r ve toz haline getirilir, kurutulur, elenir ve daha sonra gibi bir kal\u0131plama maddesi ile ilave edilir. balmumu veya tutkal ile kurutulur ve ge\u00e7irilir. Kar\u0131\u015f\u0131m\u0131 eleyin. Daha sonra, kar\u0131\u015f\u0131m gran\u00fcle edildi\u011finde, preslendi\u011finde ve ba\u011flay\u0131c\u0131 metalin erime noktas\u0131na yak\u0131n bir s\u0131cakl\u0131\u011fa (1300 ila 1500 \u00b0 C) kadar \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda, sertle\u015ftirilmi\u015f faz ba\u011flay\u0131c\u0131 metali ile \u00f6tektik bir ala\u015f\u0131m olu\u015fturur. So\u011futulduktan sonra sertle\u015ftirilmi\u015f fazlar, kat\u0131 bir b\u00fct\u00fcn olu\u015fturmak i\u00e7in birbirine s\u0131k\u0131ca ba\u011fl\u0131 olan ba\u011fl\u0131 metallerden olu\u015fan bir \u0131zgaraya da\u011f\u0131t\u0131l\u0131r. Semente karb\u00fcr\u00fcn sertli\u011fi, sertle\u015ftirilmi\u015f faz\u0131n i\u00e7eri\u011fine ve tane boyutuna ba\u011fl\u0131d\u0131r, yani, sertle\u015ftirilmi\u015f faz\u0131n i\u00e7eri\u011fi ne kadar y\u00fcksekse ve tane ne kadar ince olursa, sertlik o kadar b\u00fcy\u00fck olur. Semente karb\u00fcr\u00fcn sertli\u011fi, ba\u011f metali taraf\u0131ndan belirlenir. Ba\u011f metal i\u00e7eri\u011fi ne kadar y\u00fcksek olursa, e\u011filme mukavemeti o kadar b\u00fcy\u00fck olur.<\/div>\n
1923'te Almanya'n\u0131n Schreiter'i, tungsten karb\u00fcr tozuna bir ba\u011flay\u0131c\u0131 olarak 20% kobalta 10% ekleyerek sertlikteki elmastan sonra ikinci olan yeni bir tungsten karb\u00fcr ve kobalt ala\u015f\u0131m\u0131 icat etti. \u0130lk tip semente karb\u00fcr. Bu ala\u015f\u0131mdan yap\u0131lm\u0131\u015f bir alet \u00e7eli\u011fi kesti\u011finde, b\u0131\u00e7ak \u00e7abuk a\u015f\u0131n\u0131r ve b\u0131\u00e7a\u011f\u0131n kenar\u0131 bile k\u0131r\u0131l\u0131r. 1929'da Amerika Birle\u015fik Devletleri'ndeki Schwarzkov, orijinal bile\u015fime belirli bir miktarda tungsten karb\u00fcr ve titanyum karb\u00fcr karma\u015f\u0131k karb\u00fcrleri ekledi ve bu da tak\u0131m kesme \u00e7eli\u011finin performans\u0131n\u0131 geli\u015ftirdi. Bu, semente karb\u00fcr geli\u015fimi tarihinde bir ba\u015fka ba\u015far\u0131d\u0131r.<\/div>\n
\u00c7imentolu karb\u00fcr, y\u00fcksek sertlik, a\u015f\u0131nma direnci, mukavemet ve tokluk, \u0131s\u0131 direnci ve korozyon direnci gibi bir dizi m\u00fckemmel \u00f6zelli\u011fe sahiptir, \u00f6zellikle 500 \u00b0 C s\u0131cakl\u0131kta bile temelde de\u011fi\u015fmeden kalan y\u00fcksek sertlik ve a\u015f\u0131nma direnci. 1000 \u00b0 C'de y\u00fcksek sertlik. Karb\u00fcr, d\u00f6kme demir, demir d\u0131\u015f\u0131 metaller, plastikler, kimyasal elyaf, grafit, cam, ta\u015f ve s\u0131radan \u00e7eli\u011fi kesmek i\u00e7in tornalama tak\u0131mlar\u0131, freze b\u0131\u00e7aklar\u0131, planya makineleri, matkaplar, delme aletleri vb.Gibi bir alet malzemesi olarak yayg\u0131n olarak kullan\u0131lmaktad\u0131r. , \u0131s\u0131ya dayan\u0131kl\u0131 \u00e7elik, paslanmaz \u00e7elik, y\u00fcksek manganl\u0131 \u00e7elik ve tak\u0131m \u00e7eli\u011fi gibi i\u015flenmesi zor malzemelerin kesilmesi i\u00e7in de kullan\u0131labilir. Yeni \u00e7imentolu karb\u00fcr tak\u0131mlar\u0131n kesme h\u0131z\u0131 \u015fimdi karbon \u00e7eli\u011finden birka\u00e7 y\u00fcz kat daha fazlad\u0131r.<\/div>\n
\u00c7imentolu karb\u00fcr, kaya delme aletleri, madencilik aletleri, delme aletleri, \u00f6l\u00e7\u00fcm mastarlar\u0131, a\u015f\u0131nma par\u00e7alar\u0131, metal ta\u015flama aletleri, silindir g\u00f6mlekleri, hassas rulmanlar, nozullar, vb yapmak i\u00e7in de kullan\u0131labilir. Kaplamal\u0131 \u00e7imentolu karb\u00fcr de yakla\u015f\u0131k yirmi y\u0131ld\u0131r mevcuttur. 1969'da \u0130sve\u00e7 ba\u015far\u0131yla bir titanyum karb\u00fcr katmanlama aleti geli\u015ftirdi. Aletin taban\u0131 tungsten-titanyum kobalt sert ala\u015f\u0131m\u0131 veya tungsten-kobalt sert ala\u015f\u0131m\u0131d\u0131r. Y\u00fczey titanyum karb\u00fcr kaplaman\u0131n kal\u0131nl\u0131\u011f\u0131 sadece birka\u00e7 mikrometredir, ancak ayn\u0131 s\u0131n\u0131f ala\u015f\u0131m arac\u0131yla kar\u015f\u0131la\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r. Servis \u00f6mr\u00fc 3 kat uzat\u0131l\u0131r ve kesme h\u0131z\u0131 25% ile 50%'ye \u00e7\u0131kar\u0131l\u0131r. D\u00f6rd\u00fcnc\u00fc nesil kaplama aletleri 1970'lerde zor malzemeleri kesmek i\u00e7in ortaya \u00e7\u0131kt\u0131.<\/div>\n

s\u00fcperala\u015f\u0131m<\/h2>\n
S\u00fcper ala\u015f\u0131mlar genellikle 700 \u00b0 C (hatta 1000 \u00b0 C) \u00fczerindeki s\u0131cakl\u0131klarda \u00e7al\u0131\u015f\u0131r ve oksidasyon direnci ve y\u00fcksek s\u0131cakl\u0131k mukavemeti gibi \u00f6zel \u00f6zelliklere sahip olmal\u0131d\u0131r.<\/div>\n
Oksidasyon ve korozyon metallerin zay\u0131f noktalar\u0131d\u0131r. Y\u00fcksek s\u0131cakl\u0131k ko\u015fullar\u0131nda, metallerin oksidatif korozyon reaksiyonu b\u00fcy\u00fck \u00f6l\u00e7\u00fcde h\u0131zland\u0131r\u0131lacakt\u0131r. Sonu\u00e7 olarak, metalin y\u00fczeyi p\u00fcr\u00fczl\u00fc olacak, do\u011frulu\u011funu ve mukavemetini etkileyecek ve par\u00e7alar bile hurdaya ayr\u0131lacakt\u0131r. Korozif ortam\u0131n y\u00fcksek s\u0131cakl\u0131k ko\u015fullar\u0131nda (y\u00fcksek s\u0131cakl\u0131k ve y\u00fcksek bas\u0131n\u00e7l\u0131 benzin yanmas\u0131ndan sonra gazdaki fosfor, k\u00fck\u00fcrt ve vanadyum gibi) \u00e7al\u0131\u015f\u0131rsa, korozyon etkisi daha g\u00fc\u00e7l\u00fcd\u00fcr, bu nedenle y\u00fcksek s\u0131cakl\u0131k ala\u015f\u0131m\u0131n\u0131n oksidasyona kar\u015f\u0131 y\u00fcksek direnci ve a\u015f\u0131nma.<\/div>\n
\u00c7ok y\u00fcksek s\u0131cakl\u0131klarda \u00e7al\u0131\u015fan s\u00fcper ala\u015f\u0131mlar, belirli s\u0131cakl\u0131klara ve streslere maruz kald\u0131klar\u0131ndan emin olmak i\u00e7in yeterli s\u00fcr\u00fcnme direncine (yani, belirli stres alt\u0131nda kat\u0131 malzemelerin yava\u015f ve s\u00fcrekli deformasyonu) sahip olmal\u0131d\u0131r. Uzun saatler \u00e7al\u0131\u015farak, toplam deformasyon hala belirli bir tolerans dahilindedir.<\/div>\n

\"\"<\/p>\n

S\u00fcper ala\u015f\u0131mlar y\u00fcksek s\u0131cakl\u0131k ko\u015fullar\u0131nda veya alternatif s\u0131cakl\u0131k ko\u015fullar\u0131nda \u00e7al\u0131\u015f\u0131r, normal s\u0131cakl\u0131ktan daha fazla yorgunluk ar\u0131zas\u0131na e\u011filimlidir veya \u00e7al\u0131\u015fma s\u0131ras\u0131nda tekrarlanan h\u0131zl\u0131 so\u011fuk ve \u0131s\u0131 de\u011fi\u015fikliklerinden dolay\u0131 \u00f6nemli termal strese neden olur. S\u00fcper ala\u015f\u0131mlar yorgunlu\u011fa kar\u015f\u0131 iyi bir dirence sahip olmal\u0131d\u0131r (yani, uzun s\u00fcreli de\u011fi\u015fen y\u00fckler alt\u0131nda malzemelerin veya par\u00e7alar\u0131n ani k\u0131r\u0131lmas\u0131).<\/div>\n
Refrakter metallere dayanan en son y\u00fcksek teknoloji \u00fcr\u00fcn\u00fc, y\u00fcksek s\u0131cakl\u0131k ala\u015f\u0131mlar\u0131n\u0131n ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in (W erime noktas\u0131 3400 \u00b0 C, Re3160 \u00b0 C, Ta 2996 \u00b0 C, Mo 2615 \u00b0 C, Nb 2415 \u00b0 C) \u00e7al\u0131\u015fabilir 1500 \u00b0 C'nin \u00fczerindeki y\u00fcksek nem ortam\u0131nda, y\u00fcksek s\u0131cakl\u0131kta, y\u00fcksek stresli ortamlarda \u00e7al\u0131\u015fan Uzay Arac\u0131 bile\u015fenlerinin \u00fcretimi i\u00e7in uygundur. Ate\u015fe dayan\u0131kl\u0131 metaller aras\u0131nda, Ta ve Nb ala\u015f\u0131mlar\u0131 y\u00fcksek s\u0131cakl\u0131k direnci ve korozyon direnci, y\u00fcksek mukavemet ve sertlik \u00f6zelliklerine sahiptir. Bizmut bazl\u0131 baz\u0131 ala\u015f\u0131mlar, nikel bazl\u0131 ala\u015f\u0131mlardan 300 ila 500 \u00b0 C daha y\u00fcksek olan 1300 ila 1600 \u00b0 C aral\u0131\u011f\u0131nda \u00e7al\u0131\u015fabilir. \u00c7in'de geli\u015ftirilen ve W8% ve Hf2% i\u00e7eren bizmut bazl\u0131 bir ala\u015f\u0131m, 2000 \u00b0 C'lik ultra y\u00fcksek s\u0131cakl\u0131kta hala y\u00fcksek mukavemete, iyi i\u015flenebilirli\u011fe ve kaynaklanabilirli\u011fe sahiptir ve daha ideal bir s\u00fcper ala\u015f\u0131md\u0131r. Sermetler bazen s\u00fcper ala\u015f\u0131mlara da dahil edilir.<\/div>\n<\/div>\n<\/div>\n

<\/p>","protected":false},"excerpt":{"rendered":"

Cemented carbide The base of the cemented carbide consists of two parts: one part is the hardened phase; the other part is the bonded metal. The hardened phase is a transition metal carbide in the periodic table, such as tungsten carbide, titanium carbide, and tantalum carbide. Their hardness is high, the melting point is above…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/1718"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=1718"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/1718\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=1718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=1718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=1718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}