{"id":23214,"date":"2025-01-03T16:48:22","date_gmt":"2025-01-03T08:48:22","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=23214"},"modified":"2025-01-04T11:41:47","modified_gmt":"2025-01-04T03:41:47","slug":"carbide-tool-breakage","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/carbide-tool-breakage\/","title":{"rendered":"Karb\u00fcr Tak\u0131m K\u0131r\u0131lmas\u0131n\u0131n 4 Nedeni ve Tak\u0131m Performans\u0131n\u0131 \u0130yile\u015ftirmek \u0130\u00e7in \u00d6nlemler"},"content":{"rendered":"
Kesme i\u015flemi s\u0131ras\u0131nda, Karb\u00fcr tak\u0131mlar \u00e7e\u015fitli fakt\u00f6rler nedeniyle k\u0131r\u0131lmaya ve performans de\u011fi\u015fikliklerine e\u011filimlidir. Bu makale, tak\u0131m k\u0131r\u0131lmas\u0131n\u0131n ve performans de\u011fi\u015fikliklerinin nedenlerinin nas\u0131l belirlenece\u011fini ve ilgili \u00e7\u00f6z\u00fcmlerin nas\u0131l \u00f6nerilece\u011fini inceleyecektir.<\/p>\n

Alet K\u0131r\u0131lma Mekanizmas\u0131<\/h1>\n

HardParticles Taraf\u0131ndan A\u015f\u0131nd\u0131r\u0131c\u0131 A\u015f\u0131nma<\/h2>\n

Bu, esas olarak i\u015f par\u00e7as\u0131 malzemesindeki kirliliklerden, malzeme matrisinde bulunan karb\u00fcrler, nitr\u00fcrler ve oksitler gibi sert par\u00e7ac\u0131klardan ve biriken kenar par\u00e7alar\u0131ndan kaynaklanan mekanik a\u015f\u0131nmadan kaynaklan\u0131r. Bu sert par\u00e7ac\u0131klar, tak\u0131m y\u00fczeyinde oluklar \u00e7izer. Sert par\u00e7ac\u0131klar\u0131n neden oldu\u011fu a\u015f\u0131nd\u0131r\u0131c\u0131 a\u015f\u0131nma, t\u00fcm kesme h\u0131zlar\u0131nda tak\u0131mlarda meydana gelir, ancak d\u00fc\u015f\u00fck h\u0131zl\u0131 \u00e7elik tak\u0131mlarda a\u015f\u0131nman\u0131n ana nedenidir. D\u00fc\u015f\u00fck kesme s\u0131cakl\u0131klar\u0131nda, di\u011fer a\u015f\u0131nma bi\u00e7imleri \u00f6nemli de\u011fildir. Genellikle, sert par\u00e7ac\u0131klar\u0131n neden oldu\u011fu a\u015f\u0131nd\u0131r\u0131c\u0131 a\u015f\u0131nman\u0131n neden oldu\u011fu a\u015f\u0131nma miktar\u0131n\u0131n, tak\u0131m ile i\u015f par\u00e7as\u0131 aras\u0131ndaki g\u00f6receli kayma mesafesi veya kesme mesafesiyle orant\u0131l\u0131 oldu\u011funa inan\u0131l\u0131r.<\/p>\n

Yap\u0131\u015ft\u0131r\u0131c\u0131 A\u015f\u0131nma<\/h2>\n

Yap\u0131\u015fma, tak\u0131m ve i\u015f par\u00e7as\u0131 malzemesi atom mesafelerinde temas etti\u011finde olu\u015fan ba\u011flanma olgusuna denir. Yeterli bas\u0131n\u00e7 ve s\u0131cakl\u0131k alt\u0131nda s\u00fcrt\u00fcnme y\u00fczeylerinin ger\u00e7ek temas y\u00fczeyinde plastik deformasyon nedeniyle olu\u015fan, s\u00f6zde so\u011fuk kaynak olgusudur. \u0130ki s\u00fcrt\u00fcnme y\u00fczeyinin plastik deformasyonuyla olu\u015fan taze y\u00fczey atomlar\u0131 aras\u0131ndaki yap\u0131\u015fma kuvvetinin sonucudur. \u0130ki s\u00fcrt\u00fcnme y\u00fczeyindeki yap\u0131\u015fma noktalar\u0131, g\u00f6receli hareket nedeniyle kesilir veya gerilir ve kar\u015f\u0131 y\u00fczey taraf\u0131ndan ta\u015f\u0131n\u0131r, bu da yap\u0131\u015fma a\u015f\u0131nmas\u0131na neden olur.<\/p>\n

Adhesif a\u015f\u0131nma, iki malzeme aras\u0131ndaki temas y\u00fczeylerinde, yumu\u015fak malzeme taraf\u0131nda veya sert malzeme taraf\u0131nda meydana gelebilir. Genellikle, yap\u0131\u015fkan noktalar\u0131n bozulmas\u0131 daha d\u00fc\u015f\u00fck sertli\u011fe sahip tarafta, yani i\u015f par\u00e7as\u0131 malzemesinde daha s\u0131k meydana gelir. Ancak, tak\u0131m malzemesinde genellikle d\u00fczensiz yap\u0131, i\u00e7 gerilmeler, mikro \u00e7atlaklar, g\u00f6zenekler ve yerel yumu\u015fak noktalar gibi kusurlar bulunur, bu nedenle karb\u00fcr tak\u0131m y\u00fczeyi de s\u0131kl\u0131kla k\u0131r\u0131l\u0131r ve i\u015f par\u00e7as\u0131 malzemesi taraf\u0131ndan ta\u015f\u0131narak yap\u0131\u015fkan a\u015f\u0131nma olu\u015fturur. Y\u00fcksek h\u0131zl\u0131 \u00e7elik, seramik, k\u00fcbik bor nitr\u00fcr ve elmas tak\u0131mlar\u0131n hepsi yap\u0131\u015fma nedeniyle a\u015f\u0131nma ya\u015fayabilir. Semente karb\u00fcrdeki karb\u00fcr tanelerinin boyutu, yap\u0131\u015fkan a\u015f\u0131nman\u0131n h\u0131z\u0131 \u00fczerinde \u00f6nemli bir etkiye sahiptir. Tak\u0131m malzemesi ile i\u015f par\u00e7as\u0131 malzemesinin birbirine yap\u0131\u015ft\u0131\u011f\u0131 s\u0131cakl\u0131k, yap\u0131\u015fkan a\u015f\u0131nman\u0131n \u015fiddetini b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkiler. Karb\u00fcr tak\u0131m\u0131n i\u015f par\u00e7as\u0131 malzemesine g\u00f6re sertlik oran\u0131, tak\u0131m y\u00fczeyinin \u015fekli ve yap\u0131s\u0131, kesme ko\u015fullar\u0131 ve i\u015flem sisteminin sertli\u011fi gibi di\u011fer fakt\u00f6rlerin hepsi yap\u0131\u015fkan a\u015f\u0131nmay\u0131 etkiler.<\/p>\n

Dif\u00fczyon A\u015f\u0131nmas\u0131<\/h2>\n

Kesme s\u0131ras\u0131nda y\u00fcksek s\u0131cakl\u0131klar ve karb\u00fcr tak\u0131m y\u00fczeyinin kimyasal reaktifli\u011fi y\u00fcksek olan yeni kesilmi\u015f y\u00fczeyle s\u00fcrekli temas halinde olmas\u0131 nedeniyle, iki s\u00fcrt\u00fcnme y\u00fczeyinin kimyasal elementleri birbirine yay\u0131labilir. Bu, her ikisinin de kimyasal bile\u015fiminde bir de\u011fi\u015fikli\u011fe neden olarak tak\u0131m malzemesinin \u00f6zelliklerini zay\u0131flat\u0131r ve a\u015f\u0131nma s\u00fcrecini \u015fiddetlendirir. Dif\u00fczyon a\u015f\u0131nmas\u0131, kesme s\u0131cakl\u0131\u011f\u0131n\u0131n artmas\u0131yla artar. Belirli bir tak\u0131m malzemesi i\u00e7in, s\u0131cakl\u0131k artt\u0131k\u00e7a dif\u00fczyon h\u0131z\u0131 ba\u015flang\u0131\u00e7ta yava\u015f\u00e7a artar ve sonra h\u0131zlan\u0131r. Farkl\u0131 elementlerin farkl\u0131 dif\u00fczyon oranlar\u0131 vard\u0131r, bu nedenle dif\u00fczyon a\u015f\u0131nmas\u0131n\u0131n \u015fiddeti b\u00fcy\u00fck \u00f6l\u00e7\u00fcde karb\u00fcr tak\u0131m malzemesinin kimyasal bile\u015fimiyle ilgilidir. Ek olarak, dif\u00fczyon h\u0131z\u0131 ayr\u0131ca tak\u0131m y\u00fczeyindeki tala\u015f tabakas\u0131n\u0131n ak\u0131\u015f h\u0131z\u0131yla da ilgilidir ve bu, tala\u015f\u0131n t\u0131rm\u0131k y\u00fczeyinden akma h\u0131z\u0131na kar\u015f\u0131l\u0131k gelir. Daha yava\u015f ak\u0131\u015f h\u0131z\u0131 daha yava\u015f dif\u00fczyona neden olur.<\/p>\n

\u015eekil 1, dif\u00fczyon a\u015f\u0131nmas\u0131n\u0131 g\u00f6stermektedir WC-Co \u00e7imentolu karb\u00fcr<\/a>, tungsten karb\u00fcr (WC) ve kobalt\u0131n (Co) \u00e7eli\u011fin y\u00fczey tabakas\u0131na \u00e7\u00f6z\u00fcnd\u00fc\u011f\u00fcn\u00fc ve bu y\u00fczey tabakas\u0131n\u0131n da aray\u00fczde eridi\u011fini g\u00f6sterir. \u015eekilde, \u00fcst tabaka \u00e7elik, alt tabaka semente karb\u00fcr ve ortadaki beyaz tabaka, i\u00e7inde WC tanecikleri bulunan, yerel olarak erimi\u015f bir alanda bulunan erimi\u015f tabakad\u0131r. E\u011fim y\u00fcz\u00fcndeki hilal \u015feklindeki \u00e7\u00f6k\u00fcnt\u00fcde s\u0131cakl\u0131k daha y\u00fcksek oldu\u011fundan, dif\u00fczyon h\u0131z\u0131 y\u00fcksektir ve a\u015f\u0131nma h\u0131zl\u0131 bir \u015fekilde ger\u00e7ekle\u015fir. Ayn\u0131 zamanda, s\u0131cakl\u0131k belirli bir dereceye kadar y\u00fckseldi\u011finde yap\u0131\u015fma meydana geldi\u011finden, dif\u00fczyon a\u015f\u0131nmas\u0131 ve adhesif a\u015f\u0131nma genellikle ayn\u0131 anda meydana gelir ve kolayca hilal \u015feklindeki bir \u00e7\u00f6k\u00fcnt\u00fc olu\u015fturur.<\/p>\n

 <\/p>\n

\"\u015eekil
\u015eekil 1 WC-Co \u00e7imentolu karb\u00fcr\u00fcn dif\u00fczyon ar\u0131zas\u0131<\/figcaption><\/figure>\n

 <\/p>\n

Kimyasal a\u015f\u0131nma<\/h2>\n

Kimyasal a\u015f\u0131nma, tak\u0131m malzemesinin \u00e7evredeki ortamla (havadaki oksijen, kesme s\u0131v\u0131lar\u0131ndaki k\u00fck\u00fcrt ve klor gibi a\u015f\u0131r\u0131 bas\u0131n\u00e7 katk\u0131 maddeleri, vb.) kimyasal reaksiyona girerek, tak\u0131m y\u00fczeyinde daha d\u00fc\u015f\u00fck sertli\u011fe sahip bir bile\u015fik tabakas\u0131 olu\u015fturmas\u0131 ve daha sonra tala\u015flarla ta\u015f\u0131narak tak\u0131m a\u015f\u0131nmas\u0131n\u0131 h\u0131zland\u0131rmas\u0131yla belirli s\u0131cakl\u0131klarda; veya tak\u0131m malzemesinin belirli bir ortam taraf\u0131ndan a\u015f\u0131nd\u0131r\u0131lmas\u0131yla tak\u0131m a\u015f\u0131nmas\u0131na neden olmas\u0131yla olu\u015fur.<\/p>\n

Normal tak\u0131m a\u015f\u0131nmas\u0131n\u0131n ana tipleri aras\u0131nda sert par\u00e7ac\u0131k a\u015f\u0131nmas\u0131, yap\u0131\u015fkan a\u015f\u0131nma, dif\u00fczyon a\u015f\u0131nmas\u0131 ve kimyasal a\u015f\u0131nma bulunur ve bunlar aras\u0131nda etkile\u015fimler vard\u0131r. Farkl\u0131 tak\u0131m malzemeleri i\u00e7in, farkl\u0131 kesme ko\u015fullar\u0131 alt\u0131nda ve farkl\u0131 i\u015f par\u00e7as\u0131 malzemeleri i\u015flenirken, a\u015f\u0131nman\u0131n birincil nedeni bu tiplerden biri veya ikisi olabilir.<\/p>\n

 <\/p>\n

Ara\u00e7 Performans\u0131n\u0131 \u0130yile\u015ftirme Y\u00f6ntemleri<\/h1>\n

Sinterlenmi\u015f karb\u00fcr tak\u0131m malzemelerinin a\u015f\u0131nma direnci ve toklu\u011funu dengelemek zor oldu\u011fundan, kullan\u0131c\u0131lar yaln\u0131zca belirli i\u015fleme nesneleri ve ko\u015fullar\u0131na g\u00f6re \u00e7e\u015fitli sinterlenmi\u015f karb\u00fcr s\u0131n\u0131flar\u0131ndan uygun tak\u0131m malzemelerini se\u00e7ebilirler ve bu da sinterlenmi\u015f karb\u00fcr tak\u0131mlar\u0131n se\u00e7imi ve y\u00f6netimi i\u00e7in sak\u0131nca yarat\u0131r. Sinterlenmi\u015f karb\u00fcr tak\u0131m malzemelerinin kapsaml\u0131 kesme performans\u0131n\u0131 daha da iyile\u015ftirmek i\u00e7in, mevcut ara\u015ft\u0131rma odaklar\u0131 a\u015fa\u011f\u0131daki hususlar\u0131 i\u00e7erir:<\/p>\n

Tah\u0131l Rafinasyonu<\/p>\n

Sert faz\u0131n tane boyutunun rafine edilmesi, sert faz\u0131n taneler aras\u0131 y\u00fczey alan\u0131n\u0131n art\u0131r\u0131lmas\u0131 ve taneler aras\u0131 ba\u011flanma mukavemetinin geli\u015ftirilmesiyle, \u00e7imentolu karb\u00fcr tak\u0131m malzemelerinin mukavemeti ve a\u015f\u0131nma direnci iyile\u015ftirilebilir. WC tane boyutu alt mikron seviyelerine d\u00fc\u015f\u00fcr\u00fcld\u00fc\u011f\u00fcnde, malzemenin sertli\u011fi, toklu\u011fu, mukavemeti ve a\u015f\u0131nma direnci art\u0131r\u0131labilir ve tam yo\u011funla\u015ft\u0131rma i\u00e7in gereken s\u0131cakl\u0131k da azalt\u0131labilir. Geleneksel \u00e7imentolu karb\u00fcr\u00fcn tane boyutu 3~5\u03bcm'dir, ince taneli \u00e7imentolu karb\u00fcr\u00fcn tane boyutu 1~1.5\u03bcm'dir (mikron seviyesi) ve ultra ince taneli \u00e7imentolu karb\u00fcr\u00fcn tane boyutu 0.5\u03bcm'nin alt\u0131nda olabilir (alt mikron, nano seviye). Yayg\u0131n tane rafine etme i\u015flemleri aras\u0131nda fiziksel buhar biriktirme, kimyasal buhar biriktirme, plazma biriktirme ve mekanik ala\u015f\u0131mlama bulunur. Bu tanecik rafine etme i\u015flemleri hen\u00fcz olgunla\u015fmad\u0131\u011f\u0131ndan, nano tanecikler \u00e7imentolu karb\u00fcr\u00fcn sinterlenmesi s\u0131ras\u0131nda kolayca kaba taneciklere d\u00f6n\u00fc\u015f\u00fcr ve taneciklerin genel b\u00fcy\u00fcmesi malzeme mukavemetinde azalmaya yol a\u00e7ar. Tek tek kaba WC tanecikleri genellikle malzeme k\u0131r\u0131lmas\u0131na neden olan \u00f6nemli bir fakt\u00f6rd\u00fcr. \u00d6te yandan, ince tanecikli \u00e7imentolu karb\u00fcr nispeten pahal\u0131d\u0131r ve bu da tan\u0131t\u0131m\u0131n\u0131 ve uygulamas\u0131n\u0131 k\u0131s\u0131tlar.<\/p>\n

Karb\u00fcr tak\u0131mlar i\u00e7in Y\u00fczey, Genel Is\u0131l \u0130\u015flem ve D\u00f6ng\u00fc Is\u0131l \u0130\u015flemi<\/p>\n

\u0130yi toklu\u011fa sahip \u00e7imentolu karb\u00fcrlerin y\u00fczeylerinde nitr\u00fcrleme ve borlama gibi y\u00fczey i\u015flemleri, y\u00fczey a\u015f\u0131nma direncini etkili bir \u015fekilde iyile\u015ftirebilir. \u0130yi a\u015f\u0131nma direncine sahip ancak d\u00fc\u015f\u00fck toklu\u011fa sahip \u00e7imentolu karb\u00fcrler i\u00e7in, genel \u0131s\u0131l i\u015flem, malzemedeki ba\u011flanma bile\u015fimini ve yap\u0131y\u0131 de\u011fi\u015ftirebilir, WC sert faz\u0131n\u0131n biti\u015fikli\u011fini azaltabilir ve b\u00f6ylece \u00e7imentolu karb\u00fcr\u00fcn mukavemetini ve toklu\u011funu iyile\u015ftirebilir. Tanecik s\u0131n\u0131rlar\u0131ndaki stresi hafifletmek veya ortadan kald\u0131rmak i\u00e7in \u00e7evrimsel \u0131s\u0131l i\u015flem s\u00fcre\u00e7lerinin kullan\u0131lmas\u0131, \u00e7imentolu karb\u00fcr malzemelerin genel performans\u0131n\u0131 kapsaml\u0131 bir \u015fekilde iyile\u015ftirebilir.<\/p>\n

Nadir Metallerin Eklenmesi<\/p>\n

Nadir metal ekleme karbit<\/a>TaC ve NbC gibi s, \u00e7imentolu karb\u00fcr malzemelere, orijinal sert fazlar WC ve TiC ile karma\u015f\u0131k kat\u0131 \u00e7\u00f6zelti yap\u0131lar\u0131 olu\u015fturabilir ve sert faz yap\u0131s\u0131n\u0131 daha da g\u00fc\u00e7lendirebilir. Ayn\u0131 zamanda, sert faz tanelerinin b\u00fcy\u00fcmesini engelleyebilir ve yap\u0131n\u0131n d\u00fczg\u00fcnl\u00fc\u011f\u00fcn\u00fc art\u0131rabilir, bu da \u00e7imentolu karb\u00fcr\u00fcn kapsaml\u0131 performans\u0131n\u0131 iyile\u015ftirmek i\u00e7in b\u00fcy\u00fck \u00f6l\u00e7\u00fcde faydal\u0131d\u0131r. Standart P, K, M \u00e7imentolu karb\u00fcr s\u0131n\u0131flar\u0131nda, Ta(Nb)C eklenmi\u015f s\u0131n\u0131flar vard\u0131r (\u00f6zellikle M s\u0131n\u0131f\u0131nda daha fazla).<\/div>\n

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During the cutting process, Carbide tools are prone to breakage and performance changes due to various factors. This article will explore how to identify the causes of tool breakage and performance changes, and propose corresponding solutions. Mechanism of Tool Breakage Abrasive Wear by HardParticles This is mainly caused by mechanical wear from impurities in the…<\/p>","protected":false},"author":2,"featured_media":23215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-23214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2025\/01\/\u56fe\u72471.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/23214","targetHints":{"allow":["GET"]}}],"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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=23214"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/23214\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media\/23215"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=23214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=23214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=23214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}