{"id":4052,"date":"2026-06-02T01:26:46","date_gmt":"2026-06-02T01:26:46","guid":{"rendered":"https:\/\/beiyutitanium.com\/alpha-case-titanium-oxygen-rich-brittle-layer\/"},"modified":"2026-09-01T23:51:28","modified_gmt":"2026-09-01T23:51:28","slug":"alpha-case-titanium-oxygen-rich-brittle-layer","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/tr\/alpha-case-titanium-oxygen-rich-brittle-layer\/","title":{"rendered":"Titanyumda Alfa Tabakas\u0131: S\u0131cak \u0130\u015flemeden Kaynaklanan Gevrek Oksijen Tabakas\u0131 &#8211; ve Giderilmesi"},"content":{"rendered":"<p><!--c135d-answer--><\/p>\n<p>Alfa tabakas\u0131; d\u00f6vme, tavlama, s\u0131cak \u015fekillendirme veya alevle do\u011frultma s\u0131ras\u0131nda titanyum havada yakla\u015f\u0131k 600 &deg;C'nin \u00e7ok \u00fczerine \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda olu\u015fan sert, gevrek, oksijence zenginle\u015fmi\u015f bir y\u00fczey tabakas\u0131d\u0131r. K\u00fctlesel kimyasal bile\u015fim analizi bunu tespit etmez. Yorulma y\u00fck\u00fcne maruz kalan bir par\u00e7ada \u00f6nceden olu\u015fmu\u015f bir \u00e7atlak gibi davran\u0131r ve tala\u015fl\u0131 imalatla veya asitle temizlemeyle giderilmesi gerekir.<\/p>\n<p><!--\/c135d-answer--><\/p>\n<p>Bir titanyum par\u00e7a kimyasal bile\u015fim sertifikas\u0131ndan ge\u00e7ebilir, kusursuz g\u00f6r\u00fcnebilir ve yine de k\u00fctlesel analizin hi\u00e7 g\u00f6rmedi\u011fi bir sorun nedeniyle kullan\u0131mda hasar g\u00f6rebilir: y\u00fczeydeki ince, sert, gevrek tabakan\u0131n ad\u0131 <strong>alfa tabakas\u0131<\/strong>. Titanyum havada \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda olu\u015fur ve yorulma y\u00fck\u00fc alt\u0131ndaki bir par\u00e7ada \u00f6nceden yerle\u015ftirilmi\u015f bir \u00e7atlak gibi davran\u0131r.<\/p>\n<figure class=\"ti-featured-figure\"><img loading=\"lazy\" width=\"1024\" height=\"768\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"Machined forged titanium rings and sleeves on a workbench\" decoding=\"async\" srcset=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves-1024x768.jpg 1024w, https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves.jpg 300w, https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves.jpg 768w, https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves.jpg 600w, https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/forged-titanium-rings-sleeves.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Titanyumda Alfa Tabakas\u0131: S\u0131cak \u0130\u015flemden Kaynaklanan Gevrek Oksijen Tabakas\u0131 ve Giderilmesi<\/figcaption><\/figure>\n<h2>Alfa tabakas\u0131 ger\u00e7ekte nedir<\/h2>\n<p>Titanyum y\u00fcksek s\u0131cakl\u0131kta oksijen ve azota kar\u015f\u0131 kimyasal olarak g\u00fc\u00e7l\u00fc bir afinite g\u00f6sterir. Havada yakla\u015f\u0131k 600&nbsp;\u00b0C de\u011ferinin \u00e7ok \u00fczerine \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda; d\u00f6vme, tavlama, s\u0131cak \u015fekillendirme, alevle do\u011frultma, hatta y\u00fczeyi yakan a\u011f\u0131r bir ta\u015flama s\u0131ras\u0131nda oksijen ve azot dif\u00fcze olur <em>i\u00e7ine<\/em> y\u00fczeyin. Her ikisi de g\u00fc\u00e7l\u00fc alfa kararla\u015ft\u0131r\u0131c\u0131lar\u0131 oldu\u011fundan (titanyumun tamam\u0131nda dayan\u0131m\u0131 art\u0131ran ayn\u0131 arayer elementleri, \u015fu b\u00f6l\u00fcmde ele al\u0131nm\u0131\u015ft\u0131r: <a href=\"https:\/\/beiyutitanium.com\/tr\/interstitial-elements-titanium-oxygen-nitrogen-hydrogen-carbon\/\">titanyumdaki arayer elementleri<\/a>), sert, oksijence zenginle\u015fmi\u015f alfa faz\u0131ndan bir y\u00fczey b\u00f6lgesi olu\u015ftururlar. Bu b\u00f6lge alfa tabakas\u0131d\u0131r.<\/p>\n<p>S\u0131cakl\u0131\u011fa ve zamana ba\u011fl\u0131 olarak derinli\u011fi genellikle onlarca mikrondan milimetrenin birka\u00e7 onda birine kadar de\u011fi\u015fir. Ana metalden \u00e7ok daha serttir ve kritik olarak \u00e7ok daha az s\u00fcnektir.<\/p>\n<table data-c180=\"1\">\n<thead>\n<tr>\n<th>Parametre<\/th>\n<th>K\u0131lavuzun belirtti\u011fi durum<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Havada ba\u015flang\u0131\u00e7<\/td>\n<td>Yakla\u015f\u0131k 600 C de\u011ferinin olduk\u00e7a \u00fczerinde<\/td>\n<\/tr>\n<tr>\n<td>Olu\u015fmas\u0131na neden olan i\u015flemler<\/td>\n<td>D\u00f6vme, tavlama, s\u0131cak \u015fekillendirme, alevle do\u011frultma ve y\u00fczeyi yakacak kadar a\u011f\u0131r ta\u015flama<\/td>\n<\/tr>\n<tr>\n<td>Tipik derinlik<\/td>\n<td>S\u0131cakl\u0131\u011fa ve s\u00fcreye ba\u011fl\u0131 olarak onlarca mikrondan milimetrenin birka\u00e7 onda birine kadar<\/td>\n<\/tr>\n<tr>\n<td>Ti-6Al-4V beta ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131<\/td>\n<td>ASM Handbook verilerine g\u00f6re yakla\u015f\u0131k 995 C; s\u0131cak i\u015fleme ve \u0131s\u0131l i\u015flem bunun alt\u0131nda, havada y\u00fczeyin oksijen al\u0131m\u0131n\u0131n en h\u0131zl\u0131 oldu\u011fu aral\u0131kta ger\u00e7ekle\u015fir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Neden yaln\u0131zca g\u00f6r\u00fcn\u00fc\u015fle ilgili de\u011fil, tehlikeli<\/h2>\n<ul>\n<li><strong>E\u011filmek yerine \u00e7atlar.<\/strong> Ana Ti-6Al-4V uzar; gevrek tabaka buna uyum sa\u011flayamaz ve d\u00fc\u015f\u00fck birim \u015fekil de\u011fi\u015ftirmede \u00e7atlar.<\/li>\n<li><strong>Bu \u00e7atlaklar yorulma ba\u015flang\u0131\u00e7 noktalar\u0131na d\u00f6n\u00fc\u015f\u00fcr.<\/strong> Tabakadaki bir y\u00fczey \u00e7atla\u011f\u0131 do\u011frudan alttaki y\u00fck ta\u015f\u0131yan metale ilerler. Yorulman\u0131n kritik oldu\u011fu bir par\u00e7ada bu, yorulma \u00f6mr\u00fcn\u00fc \u00f6nemli \u00f6l\u00e7\u00fcde azaltabilir; bu nedenle havac\u0131l\u0131k ve t\u0131bbi malzeme \u015fartnameleri alfa tabakas\u0131n\u0131 ret nedeni olarak de\u011ferlendirir.<\/li>\n<li><strong>Kimyasal bile\u015fim sertifikas\u0131 bunu ortaya \u00e7\u0131karmaz.<\/strong> K\u00fctlesel analiz numunenin tamam\u0131n\u0131n ortalamas\u0131n\u0131 al\u0131r; 0.1&nbsp;mm kal\u0131nl\u0131\u011f\u0131ndaki zenginle\u015fmi\u015f tabaka de\u011feri neredeyse hi\u00e7 de\u011fi\u015ftirmez. Alfa tabakas\u0131, \u00fcretici fabrikan\u0131n kimyasal bile\u015fim analiziyle de\u011fil y\u00fczey y\u00f6ntemleriyle bulunur.<\/li>\n<\/ul>\n<table data-c180=\"1\">\n<thead>\n<tr>\n<th>Davran\u0131\u015f<\/th>\n<th>K\u0131lavuzun belirtti\u011fi durum<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u00fck\u00fclmek yerine \u00e7atlar<\/td>\n<td>Ana Ti-6Al-4V malzeme uzar; gevrek tabaka buna uyum sa\u011flayamaz ve d\u00fc\u015f\u00fck birim \u015fekil de\u011fi\u015ftirmede \u00e7atlar<\/td>\n<\/tr>\n<tr>\n<td>Bu \u00e7atlaklar yorulman\u0131n ba\u015flang\u0131\u00e7 noktalar\u0131 olur<\/td>\n<td>Tabakadaki y\u00fczey \u00e7atla\u011f\u0131 do\u011frudan alttaki y\u00fck ta\u015f\u0131yan metale ilerler. Yorulma a\u00e7\u0131s\u0131ndan kritik bir par\u00e7ada bu durum yorulma \u00f6mr\u00fcn\u00fc ciddi \u00f6l\u00e7\u00fcde azaltabilir; bu nedenle havac\u0131l\u0131k ve t\u0131bbi \u015fartnameler alfa tabakas\u0131n\u0131 ret nedeni sayar<\/td>\n<\/tr>\n<tr>\n<td>Kimyasal bile\u015fim sertifikas\u0131 bunu tespit etmez<\/td>\n<td>K\u00fctlesel analiz t\u00fcm numunenin ortalamas\u0131n\u0131 verir; 0,1 mm kal\u0131nl\u0131\u011f\u0131ndaki zenginle\u015fmi\u015f y\u00fczey tabakas\u0131 de\u011feri neredeyse hi\u00e7 de\u011fi\u015ftirmez. Alfa tabakas\u0131, \u00fcretici fabrikan\u0131n kimyasal bile\u015fim analiziyle de\u011fil y\u00fczey y\u00f6ntemleriyle tespit edilir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Nas\u0131l tespit edilir<\/h2>\n<table>\n<thead>\n<tr>\n<th>Y\u00f6ntem<\/th>\n<th>Neyi g\u00f6sterir<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Metalografik kesit (da\u011flanm\u0131\u015f)<\/td>\n<td>Tabaka belirgin, a\u00e7\u0131k renkli, yap\u0131sal ayr\u0131nt\u0131 g\u00f6stermeyen bir y\u00fczey katman\u0131 olarak g\u00f6r\u00fcn\u00fcr; derinli\u011fini \u00f6l\u00e7ebilirsiniz.<\/td>\n<\/tr>\n<tr>\n<td>Mikrosertlik taramas\u0131<\/td>\n<td>Sertlik y\u00fczeyde keskin bi\u00e7imde y\u00fckselir ve tabakan\u0131n alt\u0131nda ana metal seviyesine d\u00fc\u015fer; bu, tipik g\u00f6stergedir.<\/td>\n<\/tr>\n<tr>\n<td>Mavi Da\u011flama Anodizasyonu (BEA)<\/td>\n<td>Kirlenmeyi ve tabakay\u0131 renk farklar\u0131 olarak g\u00f6r\u00fcn\u00fcr k\u0131lan bir y\u00fczey muayenesi anodizasyonu.<\/td>\n<\/tr>\n<tr>\n<td>E\u011fme \/ s\u00fcneklik testi<\/td>\n<td>D\u00fc\u015f\u00fck birim \u015fekil de\u011fi\u015ftirmede \u00e7ekme y\u00fczeyinde \u00e7atlama, gevrek tabakaya i\u015faret eder.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>How it&#8217;s removed, because it has to be<\/h2>\n<p>Alfa tabakas\u0131 onar\u0131lmaz; par\u00e7a kullan\u0131ma girmeden \u00f6nce temiz, s\u00fcnek metale kadar giderilir:<\/p>\n<ul>\n<li><strong>Kimyasal frezeleme \/ asitle temizleme<\/strong> HF-HNO\u2083 banyosunda y\u00fczeyi e\u015fit bi\u00e7imde \u00e7\u00f6zer ve tabakay\u0131 da beraberinde uzakla\u015ft\u0131r\u0131r. Bu, d\u00f6vme par\u00e7alar, \u00e7ubuk ve sac i\u00e7in standart y\u00f6ntemdir ve fabrika \u00fcr\u00fcnlerinin genellikle asitle temizlenmi\u015f olarak tedarik edilmesinin nedenidir.<\/li>\n<li><strong>Tala\u015fl\u0131 imalat veya ta\u015flama<\/strong> removes the case mechanically, provided enough stock allowance was left for it, and provided the grinding itself doesn&#8217;t burn a new case.<\/li>\n<\/ul>\n<table data-c180=\"1\">\n<caption>Alfa tabakas\u0131 onar\u0131lmaz; par\u00e7a hizmete al\u0131nmadan \u00f6nce temiz, s\u00fcnek metale ula\u015f\u0131lana kadar giderilir.<\/caption>\n<thead>\n<tr>\n<th>Giderme yolu<\/th>\n<th>Nas\u0131l i\u015fler<\/th>\n<th>Uyguland\u0131\u011f\u0131 yer<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kimyasal frezeleme veya asitle temizleme<\/td>\n<td>HF-HNO3 banyosu y\u00fczeyi e\u015fit bi\u00e7imde \u00e7\u00f6z\u00fcnd\u00fcr\u00fcr ve tabakay\u0131 da giderir<\/td>\n<td>D\u00f6vme par\u00e7alar, \u00e7ubuk ve sac i\u00e7in standart yol ve \u00fcretici fabrika \u00fcr\u00fcnlerinin s\u0131kl\u0131kla asitle temizlenmi\u015f olarak tedarik edilmesinin nedeni<\/td>\n<\/tr>\n<tr>\n<td>Tala\u015fl\u0131 imalat veya ta\u015flama<\/td>\n<td>Tabakay\u0131 mekanik olarak giderir<\/td>\n<td>Bunun i\u00e7in yeterli i\u015fleme pay\u0131n\u0131n b\u0131rak\u0131lm\u0131\u015f olmas\u0131 gerekir ve ta\u015flama i\u015flemi yeni bir tabaka olu\u015fturacak \u015fekilde y\u00fczeyi yakmamal\u0131d\u0131r<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tasar\u0131mc\u0131lar i\u00e7in pratik sonu\u00e7: havada s\u0131cak i\u015flenmi\u015f veya \u0131s\u0131l i\u015flem g\u00f6rm\u00fc\u015f her titanyum par\u00e7ada tala\u015fl\u0131 imalat\/kimyasal frezeleme pay\u0131 b\u0131rak\u0131n\u0131z ve teknik resimde temiz, alfa tabakas\u0131z bir y\u00fczey belirtiniz.<\/p>\n<h2>Nas\u0131l \u00f6nlenir<\/h2>\n<ol>\n<li><strong>Vakumda veya inert gazda \u0131s\u0131l i\u015flem uygulay\u0131n\u0131z.<\/strong> Hava yoksa oksijen al\u0131m\u0131 da yoktur. Vakumda tavlama tam da bu nedenle standartt\u0131r.<\/li>\n<li><strong>D\u00f6vme ve s\u0131cak \u015fekillendirme atmosferini\/s\u00fcresini kontrol ediniz,<\/strong> ard\u0131ndan i\u015flem sonras\u0131 y\u00fczeyi gideriniz.<\/li>\n<li><strong>Tedarik durumunu belirtiniz.<\/strong> \u00c7ubuk, plaka ve d\u00f6vme par\u00e7alar\u0131 sipari\u015f ediniz <em>asitle temizlenmi\u015f<\/em> veya alfa tabakas\u0131 giderilmi\u015f olarak ve bunu sipari\u015fte belirtiniz; b\u00f6ylece teslim ald\u0131\u011f\u0131n\u0131z y\u00fczey kullan\u0131ma veya tala\u015fl\u0131 imalata haz\u0131r olur.<\/li>\n<li><strong>\u0130malat s\u0131ras\u0131nda koruyunuz.<\/strong> Bitmi\u015f y\u00fczeylerde alevle do\u011frultmadan ve ta\u015flama yan\u0131klar\u0131ndan ka\u00e7\u0131n\u0131n\u0131z; her ikisi de yeniden tabaka olu\u015fturabilir.<\/li>\n<\/ol>\n<table data-c180=\"1\">\n<thead>\n<tr>\n<th>\u00d6nleme tedbiri<\/th>\n<th>Yap\u0131lacak i\u015flem<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vakumda veya inert gazda \u0131s\u0131l i\u015flem uygulay\u0131n\u0131z<\/td>\n<td>Hava yoksa oksijen al\u0131m\u0131 da yoktur. Vakumda tavlama tam da bu nedenle standart uygulamad\u0131r<\/td>\n<\/tr>\n<tr>\n<td>D\u00f6vme ve s\u0131cak \u015fekillendirme atmosferini ve s\u00fcresini kontrol ediniz<\/td>\n<td>Ard\u0131ndan i\u015flem g\u00f6rm\u00fc\u015f y\u00fczeyi gideriniz<\/td>\n<\/tr>\n<tr>\n<td>Tedarik durumunu belirtiniz<\/td>\n<td>\u00c7ubuk, plaka ve d\u00f6vme par\u00e7alar\u0131 asitle temizlenmi\u015f veya alfa tabakas\u0131 giderilmi\u015f olarak sipari\u015f ediniz ve bunu sipari\u015fte belirtiniz<\/td>\n<\/tr>\n<tr>\n<td>\u0130malat s\u0131ras\u0131nda koruyunuz<\/td>\n<td>Bitmi\u015f y\u00fczeylerde alevle do\u011frultmadan ve ta\u015flama yan\u0131klar\u0131ndan ka\u00e7\u0131n\u0131n\u0131z; ikisi de yeniden tabaka olu\u015fturabilir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ti-6Al-4V tedarik ediyoruz <a href=\"https:\/\/beiyutitanium.com\/tr\/product\/gr5-titanium-forging-block\/\">d\u00f6vme hammaddesi<\/a> ve <a href=\"https:\/\/beiyutitanium.com\/tr\/product\/6al4v-titanium-bar\/\">\u00e7ubuk<\/a> y\u00fczey durumu belirtilerek, asitle temizlenmi\u015f veya tabakan\u0131n giderilmesi i\u00e7in tala\u015fl\u0131 imalat pay\u0131 b\u0131rak\u0131lm\u0131\u015f olarak; b\u00f6ylece metal at\u00f6lyenize ula\u015fmadan \u00f6nce alfa tabakas\u0131yla ilgili i\u015flem yap\u0131l\u0131r. \u0130htiyac\u0131n\u0131z olan durumu belirtiniz <a class=\"contact-popup-btn\" href=\"#contact-popup-btn\">Talep g\u00f6nderiniz<\/a>, ve tala\u015fl\u0131 imalattaki \u00f6d\u00fcnle\u015fimleri hat\u0131rlay\u0131n\u0131z: <a href=\"https:\/\/beiyutitanium.com\/tr\/why-ti-6al-4v-galls-work-hardens-machining\/\">Ti-6Al-4V'nin tala\u015fl\u0131 imalat\u0131<\/a>.<\/p>\n<h2>S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<div class=\"ti-faq\">\n<details open>\n<summary>Her s\u0131cak i\u015flenmi\u015f titanyum par\u00e7ada alfa tabakas\u0131 bulunur mu?<\/summary>\n<p>Havada yakla\u015f\u0131k 600&nbsp;\u00b0C \u00fczerinde \u0131s\u0131t\u0131lan her titanyumda bir miktar olu\u015fur. Sorular, ne kadar derin oldu\u011fu ve kullan\u0131mdan \u00f6nce giderilip giderilmedi\u011fidir. Vakum\/inert ortamda i\u015fleme bunu \u00f6nler.<\/p>\n<\/details>\n<details>\n<summary>Alfa tabakas\u0131 \u00fcretici fabrika sertifikas\u0131nda g\u00f6r\u00fcn\u00fcr m\u00fc?<\/summary>\n<p>Hay\u0131r. K\u00fctlesel kimyasal bile\u015fim analizinde ortalama i\u00e7inde kaybolur. Metalografi, mikrosertlik, mavi da\u011flama anodizasyonu veya b\u00fckme testiyle bulunur: d\u00f6k\u00fcm analiziyle de\u011fil, y\u00fczey y\u00f6ntemleriyle.<\/p>\n<\/details>\n<details>\n<summary>Par\u00e7a y\u00fcksek gerilim alt\u0131nda de\u011filse tabakay\u0131 b\u0131rakabilir miyim?<\/summary>\n<p>For a low-stress, static part it&#8217;s sometimes tolerated, but for anything fatigue-loaded or fracture-critical it must come off. When in doubt, remove it: it&#8217;s cheaper than a field failure.<\/p>\n<\/details>\n<details>\n<summary>Alfa tabakas\u0131 titanyum kayna\u011f\u0131ndaki mavi\/saman sar\u0131s\u0131 renkle ayn\u0131 m\u0131d\u0131r?<\/summary>\n<p>\u0130li\u015fkilidir ancak ayn\u0131 de\u011fildir. Kaynak rengi, \u0131s\u0131dan etkilenmi\u015f b\u00f6lgeden kaynaklanan ince bir oksit filmidir; alfa tabakas\u0131 ise dif\u00fczyonla zenginle\u015fmi\u015f daha derin bir katmand\u0131r. Her ikisi de s\u0131cakl\u0131kta oksijen\/havadan kaynaklan\u0131r ve gaz korumas\u0131 ile y\u00fczey durumunun kontrol edilmesi gerekti\u011fine i\u015faret eder.<\/p>\n<\/details>\n<\/div>\n<div class=\"ti-rfq-box\">\n<h2>Sertifikadaki oksijen de\u011ferinin neden yan\u0131t\u0131n tamam\u0131 olmad\u0131\u011f\u0131<\/h2>\n<p>Alfa tabakas\u0131 (alpha case), oksijence zenginle\u015fmi\u015f bir y\u00fczey tabakas\u0131d\u0131r ve sertifika oksijeni ergitmede al\u0131nan bir toplu (bulk) kimyasal bile\u015fim de\u011feri olarak rapor eder. Bu ikisi ayn\u0131 \u00f6l\u00e7\u00fcm de\u011fildir; bu nedenle uygun bir oksijen sonucu ile gevrek bir y\u00fczey, ayn\u0131 \u00e7ubukta bir arada bulunabilir.<\/p>\n<table>\n<thead>\n<tr>\n<th>Raporlanan bilgiler<\/th>\n<th>ASTM B348 taraf\u0131ndan at\u0131f yap\u0131lan y\u00f6ntem<\/th>\n<th>Neyi kapsad\u0131\u011f\u0131 ve neyi kapsamad\u0131\u011f\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Oksijen ve azot<\/td>\n<td>ASTM E1409<\/td>\n<td>D\u0131\u015f y\u00fczeyin durumu de\u011fil, toplu interstisyel i\u00e7erik<\/td>\n<\/tr>\n<tr>\n<td>Hidrojen<\/td>\n<td>ASTM E1447<\/td>\n<td>Ad\u0131 belirtilen bir y\u00f6ntemle belirlenen toplu i\u00e7erik<\/td>\n<\/tr>\n<tr>\n<td>Raporlanan de\u011ferlerin yuvarlanmas\u0131<\/td>\n<td>ASTM E29<\/td>\n<td>Belirtilen bir kurala g\u00f6re s\u0131n\u0131rda bir de\u011ferin ge\u00e7ip ge\u00e7medi\u011fi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bir y\u00f6ntemi belirtmek, bir de\u011ferin nas\u0131l \u00fcretildi\u011fini netle\u015ftirir. Sipari\u015fin istemedi\u011fi bir y\u00fczey muayenesini eklemez ve yaln\u0131zca toplu kimyasal bile\u015fim, kirlenmi\u015f bir tabakan\u0131n giderildi\u011fini do\u011frulayamaz.<\/p>\n<h2>Y\u00fczeyin varsay\u0131ma b\u0131rak\u0131lmamas\u0131 i\u00e7in sipari\u015fin talep edebilecekleri<\/h2>\n<table>\n<thead>\n<tr>\n<th>Sipari\u015fteki sat\u0131r<\/th>\n<th>Neyi kontrol eder<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Teslim durumundan ayr\u0131 olarak belirtilen y\u00fczey durumu<\/td>\n<td>\u00dcr\u00fcn\u00fcn ta\u015flanm\u0131\u015f, soyulmu\u015f veya i\u015flenmi\u015f h\u00e2liyle gelip gelmedi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Tala\u015fl\u0131 imalat pay\u0131<\/td>\n<td>Kirlenmi\u015f bir tabakay\u0131 gidermek i\u00e7in yeterli malzemenin kal\u0131p kalmad\u0131\u011f\u0131<\/td>\n<\/tr>\n<tr>\n<td>Kabul s\u0131n\u0131f\u0131 ile birlikte muayene kapsam\u0131<\/td>\n<td>Teslim edilen y\u00fczeyde neyin ve neye g\u00f6re kontrol edildi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Teslim ko\u015fulu<\/td>\n<td>Y\u00fczeyin ima etmedi\u011fi metalurjik durum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Y\u00fczey durumunu ve pay\u0131 belirten bir talep, alfa tabakas\u0131n\u0131 ilk kesimde yap\u0131lan bir ke\u015fiften fiyatland\u0131r\u0131lm\u0131\u015f bir alana d\u00f6n\u00fc\u015ft\u00fcr\u00fcr.<\/p>\n<p><!--c144-cite-block--><\/p>\n<h2>Kaynaklar\u0131yla \u015fartname ayr\u0131nt\u0131lar\u0131<\/h2>\n<p>Oxygen&#8217;s effect on titanium is quantified in the ASTM grade tables, and the same chemistry that strengthens the bulk metal is what makes an alpha case layer brittle. Across <a href=\"https:\/\/store.astm.org\/standards\/b348\" target=\"_blank\" rel=\"noopener\">ASTM B348<\/a> ticari safl\u0131ktaki kaliteler oksijen miktar\u0131na g\u00f6re s\u0131ralan\u0131r; Grade 1 i\u00e7in en fazla y\u00fczde 0.18 olan oran, 0.25 ve 0.35 \u00fczerinden Grade 4 i\u00e7in y\u00fczde 0.40 de\u011ferine y\u00fckselir ve minimum \u00e7ekme dayan\u0131m\u0131 bu basamaklar boyunca 240 MPa de\u011ferinden 550 MPa de\u011ferine \u00e7\u0131karak iki kat\u0131n\u0131 a\u015far. ASM Handbook verileri Ti-6Al-4V i\u00e7in beta transus s\u0131cakl\u0131\u011f\u0131n\u0131 yakla\u015f\u0131k 995 \u00b0C olarak verir; s\u0131cak i\u015fleme ve \u0131s\u0131l i\u015flem bunun alt\u0131nda, havada y\u00fczeyin oksijen al\u0131m\u0131n\u0131n en h\u0131zl\u0131 oldu\u011fu aral\u0131kta ger\u00e7ekle\u015ftirilir.<\/p>\n<p>Beiyu Titanium, alfa tabakas\u0131n\u0131 tedarik a\u015famas\u0131nda her \u00fcr\u00fcn bi\u00e7imine uygulanan y\u00fczey i\u015flemiyle ele al\u0131r: 3 ila 70 mm kal\u0131nl\u0131\u011f\u0131ndaki s\u0131cak haddelenmi\u015f plaka, s\u0131cak haddelenmi\u015f ve asitle temizlenmi\u015f y\u00fczeyle sunulur; d\u00f6vme halkalar ve diskler ise tornalanm\u0131\u015f olarak tedarik edilir. Bu iki y\u00f6ntem, i\u015flem g\u00f6rm\u00fc\u015f y\u00fczeyi kaplamak yerine giderir; \u00e7ubuklar da anla\u015fmaya ba\u011fl\u0131 olarak parlat\u0131lm\u0131\u015f veya kumlanm\u0131\u015f sipari\u015f edilebilir. Al\u0131c\u0131n\u0131n tabakay\u0131 kendi tesisinde tala\u015fl\u0131 imalatla kald\u0131rmay\u0131 tercih etti\u011fi durumlarda Beiyu, sipari\u015fteki i\u015fleme pay\u0131 sat\u0131r\u0131n\u0131 2500 mm geni\u015fli\u011fe ve 6000 mm uzunlu\u011fa kadar plakalar i\u00e7in inceler; b\u00f6ylece kald\u0131r\u0131lacak pay, tezgahta fark edilmek yerine haddeleme ba\u015flamadan \u00f6nce teknik resimde yer al\u0131r.<\/p>\n<p><!--\/c144-cite-block--><\/p>\n<h2>Teknik teklif talebi g\u00f6nderiniz<\/h2>\n<p>Alfa tabakas\u0131ndan etkilenmi\u015f titanyum malzeme i\u00e7in \u00fcr\u00fcn bi\u00e7imini, kaliteyi, s\u0131cak i\u015fleme y\u00f6ntemini, gerekli tala\u015fl\u0131 imalat pay\u0131n\u0131, y\u00fczey giderme gereksinimini ve muayene belgelerini belirtiniz.<\/p>\n<p><a class=\"contact-popup-btn\" href=\"#contact-popup-btn\">Teklif talebi ayr\u0131nt\u0131lar\u0131n\u0131 g\u00f6nderiniz<\/a><\/p>\n<\/div>\n<div class=\"ti-related-guides\">\n<h2>\u0130lgili titanyum rehberleri<\/h2>\n<ul>\n<li><a href=\"https:\/\/beiyutitanium.com\/tr\/astm-b348-titanium-bar-billet-guide\/\">ASTM B348 Titanyum \u00c7ubuk ve K\u00fct\u00fck Rehberi<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/tr\/why-ti-6al-4v-galls-work-hardens-machining\/\">Ti-6Al-4V Neden Yap\u0131\u015fmal\u0131 A\u015f\u0131nmaya U\u011frar ve Pekle\u015fir<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/tr\/titanium-grades-comparison-guide\/\">Titanyum Kalitelerinin Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Bir titanyum par\u00e7a kimyasal bile\u015fim sertifikas\u0131n\u0131n \u015fartlar\u0131n\u0131 kar\u015f\u0131layabilir ve yine de s\u0131cak i\u015flemden kaynaklanan ince, k\u0131r\u0131lgan, oksijence zenginle\u015fmi\u015f bir y\u00fczey tabakas\u0131 olan alfa tabakas\u0131 nedeniyle ar\u0131zalanabilir &#8211; ne oldu\u011fu, neden \u00f6nemli oldu\u011fu, nas\u0131l giderilece\u011fi.<\/p>","protected":false},"author":2,"featured_media":4049,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","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":"default","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[27,137],"tags":[],"class_list":["post-4052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-technical-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alpha Case on Titanium: the Brittle Surface Layer<\/title>\n<meta name=\"description\" content=\"Alpha case is the hard, brittle oxygen\/nitrogen-enriched skin titanium forms when heated in air. 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Production runs through the Beiyu titanium mill in Baoji, Shaanxi. 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Over 15 years in titanium export he has learned to review each specification line himself, checking grade, standard, dimensions, tolerance and certificate scope against mill capability before quoting, rather than routing enquiries through a sales desk. He came to titanium supply from the other side of the transaction. Before leading Beiyu's international business he worked at Koch (Koch-Glitsch) and was directly involved in delivering a SABIC petrochemical project in Fujian, China. That work was built on inspection and test plans, material certification and heat traceability, third party inspection coordination, and project documentation and dossier control. Those are the same four things a process industry or regulated buyer will hold a titanium supplier to, and having had to enforce them as a customer is why they are treated here as part of the supply rather than as paperwork produced afterwards. 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Titanyum ihracat\u0131nda 15 y\u0131l\u0131 a\u015fk\u0131n s\u00fcrede, sorgular\u0131 sat\u0131\u015f masas\u0131na y\u00f6nlendirmek yerine her spesifikasyon sat\u0131r\u0131n\u0131 kendisinin g\u00f6zden ge\u00e7irmeyi, teklif vermeden \u00f6nce kaliteyi, standard\u0131, boyutlar\u0131, tolerans\u0131 ve sertifika kapsam\u0131n\u0131 \u00fcretici fabrika kabiliyetine g\u00f6re kontrol etmeyi \u00f6\u011frenmi\u015ftir. Titanyum tedarikine i\u015flemin di\u011fer taraf\u0131ndan gelmi\u015ftir. Beiyu'nun uluslararas\u0131 i\u015flerini y\u00f6netmeden \u00f6nce Koch'ta (Koch-Glitsch) \u00e7al\u0131\u015fm\u0131\u015f ve \u00c7in'in Fujian ilindeki bir SABIC petrokimya projesinin tesliminde do\u011frudan g\u00f6rev alm\u0131\u015ft\u0131r. Bu \u00e7al\u0131\u015fma muayene ve test planlar\u0131, malzeme sertifikasyonu ve d\u00f6k\u00fcm numaras\u0131 ile izlenebilirlik, \u00fc\u00e7\u00fcnc\u00fc taraf muayene koordinasyonu, proje dok\u00fcmantasyonu ve dosya kontrol\u00fc \u00fczerine kuruluydu. Bunlar, proses end\u00fcstrisi veya d\u00fczenlemeye tabi bir al\u0131c\u0131n\u0131n titanyum tedarik\u00e7isinden bekleyece\u011fi ayn\u0131 d\u00f6rt unsurdur; m\u00fc\u015fteri olarak bunlar\u0131 uygulatmak zorunda kalm\u0131\u015f olmas\u0131, bunlar\u0131n sonradan \u00fcretilen evrak de\u011fil tedarikin par\u00e7as\u0131 say\u0131lmas\u0131n\u0131n nedenidir. G\u00fcnl\u00fck \u00e7al\u0131\u015fmas\u0131, bu sitenin yan\u0131tlamak i\u00e7in yaz\u0131ld\u0131\u011f\u0131 sorular\u0131 kapsar: korozif bir hizmet i\u00e7in ticari safl\u0131kta ve ala\u015f\u0131ml\u0131 titanyum kaliteleri aras\u0131nda se\u00e7im yapmak, malzeme sertifikas\u0131n\u0131 sipari\u015f edilen standarda g\u00f6re okumak ve bir al\u0131c\u0131n\u0131n tan\u0131m\u0131n\u0131 (ASTM kalite, UNS, Alman Werkstoff numaras\u0131 veya Frans\u0131z NF kodu) pazarlar aras\u0131nda ayn\u0131 metalle e\u015fle\u015ftirmek. Beiyu; \u00e7ubuk, yuvarlak \u00e7ubuk, plaka, boru, blok, halka, kangal, k\u00fcl\u00e7e, d\u00f6vme par\u00e7a ve i\u015flenmi\u015f par\u00e7a formlar\u0131nda titanyum, nikel ala\u015f\u0131m\u0131 ve refrakter \u00fcretici fabrika \u00fcr\u00fcnlerini EN 10204 3.1 dok\u00fcmantasyonu ve d\u00f6k\u00fcm numaras\u0131 ile izlenebilirlikle tedarik eder.","url":"https:\/\/beiyutitanium.com\/tr\/author\/penn-ma\/"}]}},"_links":{"self":[{"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/posts\/4052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/comments?post=4052"}],"version-history":[{"count":17,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/posts\/4052\/revisions"}],"predecessor-version":[{"id":5902,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/posts\/4052\/revisions\/5902"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/media\/4049"}],"wp:attachment":[{"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/media?parent=4052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/categories?post=4052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beiyutitanium.com\/tr\/wp-json\/wp\/v2\/tags?post=4052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}