{"id":3219,"date":"2025-06-15T20:55:34","date_gmt":"2025-06-15T12:55:34","guid":{"rendered":"https:\/\/www.wolframcarbide.com\/?p=3219"},"modified":"2025-06-15T20:55:41","modified_gmt":"2025-06-15T12:55:41","slug":"semente-tungsten-karburun-izin-verilen-gerilimi","status":"publish","type":"post","link":"https:\/\/www.wolframcarbide.com\/tr\/the-allowable-stress-of-cemented-tungsten-carbide\/","title":{"rendered":"Semente tungsten karb\u00fcr\u00fcn izin verilen gerilimi"},"content":{"rendered":"

Semente tungsten karb\u00fcr\u00fcn izin verilen gerilimi<\/h2>\n\n\n\n

\u00c7imentolu tungsten karb\u00fcr<\/a>\u00a0m\u00fchendislik tasar\u0131m\u0131nda s\u0131kl\u0131kla kullan\u0131l\u0131r ve semente tungsten karb\u00fcr\u00fcn izin verilen geriliminin anla\u015f\u0131lmas\u0131 m\u00fchendislerin uygun malzemeleri se\u00e7mesine yard\u0131mc\u0131 olur. \u0130zin verilen gerilim, bir malzemenin uzun vadede g\u00fcvenle dayanabilece\u011fi maksimum gerilimi ifade eder; bu de\u011ferin a\u015f\u0131lmas\u0131 deformasyona veya k\u0131r\u0131lmaya neden olabilir. Temsili bir sert ala\u015f\u0131m olan semente tungsten karb\u00fcr\u00fcn izin verilen gerilimi bile\u015fim, s\u0131cakl\u0131k, i\u015fleme teknikleri ve di\u011fer fakt\u00f6rlerden etkilenir. Spesifik de\u011ferler ger\u00e7ek ko\u015fullara dayal\u0131 analiz gerektirir.<\/p>\n\n\n\n

Tungsten ve karbon atomlar\u0131ndan olu\u015fan semente tungsten karb\u00fcr, do\u011fal elmas\u0131n sertli\u011fine yakla\u015f\u0131r ve ola\u011fan\u00fcst\u00fc a\u015f\u0131nma direnci sergiler. Bu malzeme genellikle ba\u011flay\u0131c\u0131 faz olarak kobalt kullan\u0131r; daha y\u00fcksek kobalt i\u00e7eri\u011fi toklu\u011fu art\u0131r\u0131r ancak sertli\u011fi ve izin verilen gerilimi azaltabilir. \u00d6rne\u011fin, 6% kobaltl\u0131 semente tungsten karb\u00fcr tipik olarak 4.000-5.000 MPa aras\u0131nda bir bas\u0131n\u00e7 dayan\u0131m\u0131na sahiptir, ancak pratikte izin verilen gerilme, tipik olarak bas\u0131n\u00e7 dayan\u0131m\u0131n\u0131n 1\/5 ila 1\/3'\u00fc aras\u0131nda bir g\u00fcvenlik fakt\u00f6r\u00fc uygular.<\/p>\n\n\n\n

S\u0131cakl\u0131k, izin verilen gerilimi \u00f6nemli \u00f6l\u00e7\u00fcde etkiler. Oda s\u0131cakl\u0131\u011f\u0131nda kararl\u0131 olsa da, semente tungsten karb\u00fcr 500\u00b0C'nin \u00fczerinde yumu\u015far ve izin verilen gerilimin keskin bir \u015fekilde d\u00fc\u015fmesine neden olur. Deneysel veriler, izin verilen gerilimin 100\u00b0C s\u0131cakl\u0131k art\u0131\u015f\u0131 ba\u015f\u0131na yakla\u015f\u0131k 8%-12% azald\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Y\u00fcksek s\u0131cakl\u0131k uygulamalar\u0131, so\u011futma sistemi tasar\u0131m\u0131na ve s\u0131cakl\u0131k izlemesine dikkat edilmesini gerektirir.<\/p>\n\n\n\n

\"semente<\/figure>\n\n\n\n

D\u00fc\u015f\u00fck bas\u0131n\u00e7l\u0131 sinterleme yoluyla \u00fcretilen \u00e7imentolu tungsten karb\u00fcr, geleneksel y\u00f6ntemlere k\u0131yasla g\u00f6zeneklili\u011fi 0,5%-1% azaltarak izin verilen gerilimi 15%'nin \u00fczerinde art\u0131r\u0131r. Kimyasal buhar biriktirme (CVD) kaplamalar\u0131 gibi y\u00fczey i\u015flemleri, 5-10 \u03bcm titanyum nitr\u00fcr tabakas\u0131 olu\u015fturarak, y\u0131\u011f\u0131n toklu\u011fundan \u00f6d\u00fcn vermeden y\u00fczeyde izin verilen gerilimi yakla\u015f\u0131k 20% art\u0131r\u0131r.<\/p>\n\n\n\n

Pratik uygulamalarda gerilim yo\u011funla\u015fmas\u0131 ele al\u0131nmal\u0131d\u0131r. K\u0131r\u0131lganl\u0131\u011f\u0131 nedeniyle par\u00e7a tasar\u0131m\u0131nda keskin kenarlardan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r. Bir tak\u0131m \u00fcreticisi, kesme kenar\u0131 yar\u0131\u00e7ap\u0131n\u0131 0,1 mm'den 0,3 mm'ye \u00e7\u0131karman\u0131n tak\u0131m \u00f6mr\u00fcn\u00fc \u00fc\u00e7 kat uzatt\u0131\u011f\u0131n\u0131 bildirmi\u015ftir. A\u015f\u0131r\u0131 gerilim mikro \u00e7atlaklar\u0131 ba\u015flatabilece\u011finden, montaj s\u0131ras\u0131nda \u00f6n y\u00fck kontrol\u00fc de kritik \u00f6nem ta\u015f\u0131r.<\/p>\n\n\n\n

\u0130zin verilen gerilim de\u011ferleri standartlar aras\u0131nda de\u011fi\u015fiklik g\u00f6sterir. ASTM B657, end\u00fcstriyel s\u0131n\u0131f semente tungsten karb\u00fcr i\u00e7in 800-1.200 MPa'l\u0131k bir izin verilebilir gerilim aral\u0131\u011f\u0131 belirtirken, DIN 4990 belirli ko\u015fullar i\u00e7in 600-1.000 MPa sa\u011flar. Se\u00e7im, uygulama senaryosunu dikkate almal\u0131d\u0131r; \u00f6rne\u011fin, darbe y\u00fckleri i\u00e7in daha d\u00fc\u015f\u00fck de\u011ferler ve statik y\u00fckler i\u00e7in orta ila \u00fcst de\u011ferler.<\/p>\n\n\n\n

Bak\u0131m, izin verilen gerilimin dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 etkiler. Y\u00fczey a\u015f\u0131nmas\u0131 i\u00e7in d\u00fczenli kontrol \u015fartt\u0131r; 0,2 mm'yi a\u015fan d\u00f6k\u00fclmeler y\u00fck ta\u015f\u0131ma kapasitesini 30% kadar azaltabilir. Ya\u011flay\u0131c\u0131 se\u00e7imi de \u00f6nemlidir: kat\u0131 ya\u011f i\u00e7eren gres Ya\u011flay\u0131c\u0131lar <\/a>standart ya\u011flara k\u0131yasla temas stresini 15%-20% oran\u0131nda azaltabilir.<\/p>\n\n\n\n

Malzeme kontrol\u00fc, izin verilen gerilimi sa\u011flamak i\u00e7in \u00e7ok \u00f6nemlidir. Ultrasonik test 0,1 mm kadar k\u00fc\u00e7\u00fck i\u00e7 kusurlar\u0131 tespit eder ve X-\u0131\u015f\u0131n\u0131 k\u0131r\u0131n\u0131m\u0131 art\u0131k gerilim da\u011f\u0131l\u0131m\u0131n\u0131 analiz eder. \u00dc\u00e7 noktal\u0131 e\u011fme ve s\u0131k\u0131\u015ft\u0131rma testleri de dahil olmak \u00fczere y\u0131k\u0131c\u0131 testler, tasar\u0131m gerekliliklerine uygunlu\u011fu do\u011frulamak i\u00e7in her parti i\u00e7in ger\u00e7ekle\u015ftirilmelidir.<\/p>\n\n\n\n

Bir m\u00fchendislik vaka \u00e7al\u0131\u015fmas\u0131, madencilik makinelerindeki bir di\u015fli milinin semente tungsten karb\u00fcr ile de\u011fi\u015ftirilmesinin, izin verilen gerilimi orijinal tasar\u0131ma k\u0131yasla 50% art\u0131rd\u0131\u011f\u0131n\u0131, ancak bunun geli\u015fmi\u015f destek yap\u0131lar\u0131 gerektirdi\u011fini g\u00f6stermektedir. Bu de\u011fi\u015fiklik, ekipman \u00f6mr\u00fcn\u00fc 6 aydan 3 y\u0131la uzatarak izin verilen gerilme verilerinin do\u011fru \u015fekilde uygulanmas\u0131n\u0131n \u00f6nemli faydalar\u0131n\u0131 ortaya koymu\u015ftur. Malzeme parametrelerinin asla k\u00f6r\u00fc k\u00f6r\u00fcne uygulanmamas\u0131 gerekti\u011fini unutmay\u0131n; belirli \u00e7al\u0131\u015fma ko\u015fullar\u0131na g\u00f6re uyarlanm\u0131\u015f kapsaml\u0131 analiz \u015fartt\u0131r.<\/p>\n\n\n\n

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

The allowable stress of cemented tungsten carbide Cemented tungsten carbide\u00a0is frequently used in engineering design, and understanding allowable stress of cemented tungsten carbide helps engineers select suitable materials. Allowable stress refers to the maximum stress a material can safely withstand long-term; exceeding this value may cause deformation or fracture. As a representative hard alloy, the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","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":""}},"_joinchat":[],"footnotes":""},"categories":[1],"tags":[100],"class_list":["post-3219","post","type-post","status-publish","format-standard","hentry","category-tungsten-carbide-industry-news","tag-allowable-stress-of-cemented-tungsten-carbide"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.wolframcarbide.com\/tr\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"The allowable stress of cemented tungsten carbide Cemented tungsten carbide\u00a0is frequently used in engineering design, and understanding allowable stress of cemented tungsten carbide helps engineers select suitable materials. Allowable stress refers to the maximum stress a material can safely withstand long-term; exceeding this value may cause deformation or fracture. As a representative hard alloy, the…","_links":{"self":[{"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=3219"}],"version-history":[{"count":2,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3219\/revisions"}],"predecessor-version":[{"id":3222,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3219\/revisions\/3222"}],"wp:attachment":[{"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=3219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=3219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=3219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}