{"id":88,"date":"2016-01-07T10:37:51","date_gmt":"2016-01-07T08:37:51","guid":{"rendered":"http:\/\/www.korozyonuzmani.com\/?p=88"},"modified":"2016-01-07T15:18:42","modified_gmt":"2016-01-07T13:18:42","slug":"deniz-suyunda-korozyon","status":"publish","type":"post","link":"https:\/\/www.korozyonuzmani.com\/en\/deniz-suyunda-korozyon\/","title":{"rendered":"Deniz Suyunda Korozyon"},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-89 alignleft\" src=\"http:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0000-2-300x193.jpg\" alt=\"0000\" width=\"300\" height=\"193\" srcset=\"https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0000-2-300x193.jpg 300w, https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0000-2.jpg 513w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><strong>Deniz suyunda korozyon nas\u0131l ger\u00e7ekle\u015fir?<\/strong><\/p>\n<p>Deniz suyu korozyonuna maruz kalan yap\u0131lar;<\/p>\n<ul>\n<li>&#8211; Deniz \u00fczerindeki k\u00f6pr\u00fcler<\/li>\n<li>&#8211; Denizde, y\u00fczer ta\u015f\u0131ma tekneleri<\/li>\n<li>&#8211; Deniz suyu ta\u015f\u0131ma borular\u0131<\/li>\n<li>&#8211; Petrol sondaj yap\u0131lar\u0131<\/li>\n<li>&#8211; Deniz i\u00e7erisinden ge\u00e7en su, petrol v.s. ta\u015f\u0131ma borular\u0131<\/li>\n<li>&#8211; Deniz atmosferinin etkili oldu\u011fu \u00e7evrede bulunan \u00e7elik yap\u0131lard\u0131r.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Deniz suyunun \u00f6zellikleri ;<\/strong><\/p>\n<ul>\n<li>&#8211; Ortalama % 3.4 NaCl ihtiva eder.<\/li>\n<li>&#8211; Tuz oran\u0131 denizler aras\u0131nda farkl\u0131l\u0131k g\u00f6sterir.<\/li>\n<li>-Denizin s\u0131cakl\u0131\u011f\u0131 4-30 C aral\u0131\u011f\u0131nda b\u00f6lge ve derinli\u011fe g\u00f6re de\u011fi\u015fir<\/li>\n<li>-pH de\u011feri yakla\u015f\u0131k olarak 8 dir.<\/li>\n<li>&#8211; \u0130\u00e7erisinde \u00e7e\u015fitli organizma bar\u0131nd\u0131r\u0131r ve buna g\u00f6re farkl\u0131 t\u00fcrde korozyon olu\u015fur<\/li>\n<li>&#8211; \u0130letkenli\u011fi y\u00fcksektir, bu sebeple iyi bir<strong> elektrolittir<\/strong>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Deniz suyunda korozyon h\u0131z\u0131n\u0131 etkileyen etkenler ;<\/p>\n<ul>\n<li>&#8211; Oksijen miktar\u0131 ( derinlik )<\/li>\n<li>&#8211; Akma h\u0131z\u0131<\/li>\n<li>&#8211; Deniz suyu s\u0131cakl\u0131\u011f\u0131<\/li>\n<li>&#8211; Mikro organizmalar<\/li>\n<li>-Akma h\u0131z\u0131n\u0131n etkisi<\/li>\n<li>&#8211; Y\u00fcksek akma h\u0131zlar\u0131nda \u00e7ukurcuk korozyonu<\/li>\n<li>&#8211; D\u00fc\u015f\u00fck akma h\u0131zlar\u0131nda e\u015fit da\u011f\u0131l\u0131ml\u0131 korozyon olu\u015fur.<\/li>\n<li>&#8211; Akma h\u0131z\u0131n\u0131n \u00e7ok artmas\u0131 ile korozyon \u00fcr\u00fcnleri y\u00fczeyden uzakla\u015f\u0131rlar ve korozyon h\u0131z\u0131 artar.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-91\" src=\"http:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0001-1-300x238.png\" alt=\"0001\" width=\"300\" height=\"238\" srcset=\"https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0001-1-300x238.png 300w, https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0001-1.png 447w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Dalgan\u0131n etkili oldu\u011fu alanda ;<\/p>\n<ul>\n<li>&#8211; Oksijen miktar\u0131 en y\u00fcksek seviyededir.<\/li>\n<li>&#8211; ak\u0131\u015f h\u0131z\u0131 y\u00fcksektir<\/li>\n<\/ul>\n<p>Bundan dolay\u0131 deniz yap\u0131lar\u0131nda deniz seviyesinde, denizin hareketli oldu\u011fu alanda korozyon h\u0131z\u0131 en y\u00fcksektir. \u00c7\u00fcnk\u00fc, oksijence zengin ve korozyon \u00fcr\u00fcnleri y\u00fczeyden uzakla\u015ft\u0131klar\u0131ndan koruma g\u00f6revi yapamazlar.<\/p>\n<p>Deniz suyuna dayan\u0131kl\u0131 Malzemeler :<\/p>\n<p>Deniz suyunda korozyonu iki y\u00f6nden dikkate alarak malzeme se\u00e7imi yapmak do\u011fru olur.<\/p>\n<ul>\n<li>&#8211; Konstr\u00fcksiyonu olu\u015fturan elemanlar\u0131 birlikte<\/li>\n<li>&#8211; Deniz suyuna g\u00f6re elektro negatiflik fark\u0131 y\u00fcksek olan metal veya ala\u015f\u0131mlar temas halinde olacak \u015fekilde birle\u015fme yap\u0131lmamal\u0131d\u0131r veya temaslar\u0131 kesilmelidir.<\/li>\n<li>&#8211; Kaynakl\u0131 birle\u015ftirmelerde aral\u0131k b\u0131rak\u0131lmamaya dikkat edilmelidir. Uygun elektrot se\u00e7ilmelidir.<\/li>\n<\/ul>\n<p>Tek ba\u015f\u0131na malzeme dikkate al\u0131nd\u0131\u011f\u0131nda ;<\/p>\n<ul>\n<li>&#8211; Deniz suyu ortam\u0131, gerilmeli, se\u00e7ici, kavitasyon, \u00e7ukurcuk, homojen da\u011f\u0131l\u0131ml\u0131 korozyona sebep olaca\u011f\u0131ndan uygun malzeme se\u00e7ilmelidir.<\/li>\n<li>&#8211; Deniz suyunda en \u00f6nemli korozyon <strong>\u00e7ukurcuk <\/strong>korozyonudur.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>\u00c7ukurcuk korozyonuna dayan\u0131kl\u0131l\u0131k a\u00e7\u0131s\u0131ndan malzemelerin incelenmesi ;<\/strong><\/p>\n<p><u>Malzeme <\/u> <u>Dayan\u0131kl\u0131l\u0131k<\/u><\/p>\n<p>Ni-Cr-Mo Ba\u011f\u0131\u015f\u0131k<\/p>\n<p>Ti \u201c<\/p>\n<p>Monel Y\u00fcksek<\/p>\n<p>Bronz Y\u00fcksek<\/p>\n<p>Pirin\u00e7 \u201c<\/p>\n<p>Ostenitik D.D (Ni) orta<\/p>\n<p>D\u00f6kme dem. \u201c<\/p>\n<p>\u00c7elik \u201c<\/p>\n<p>Ni-Fe-Cr Yeterli<\/p>\n<p>%29 Ni paslanmaz \u00e7el. \u201c<\/p>\n<p>Cu \u201c<\/p>\n<p>Ni-Cu ala\u015f\u0131m\u0131 \u201c<\/p>\n<p>400 serisi pas. \u00c7el. \u201c<\/p>\n<p>316,304,400 serisi P.\u00c7 Yetersiz<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Deniz suyu ortam\u0131nda se\u00e7ici korozyon<\/strong><\/p>\n<p><u>Malzeme <\/u> <u>Dayan\u0131kl\u0131l\u0131k <\/u> <u>Metal fakirle\u015fmesi<\/u> <u>Tedbir<\/u><\/p>\n<ul>\n<li>D\u00f6k. Dem. Zay\u0131f Fe Ni li ost. D.D<\/li>\n<li>Pirin\u00e7 \u201c Zn As,Sb,P eklenir<\/li>\n<\/ul>\n<p>Zn&lt; 15<\/p>\n<ul>\n<li>Al Bronzu \u201c Al Ni&gt; %4<\/li>\n<li>Monel (30-70) \u201c Ni A.H&gt;1m\/sn<\/li>\n<\/ul>\n<p>sulu \u00e7al\u0131\u015fmal\u0131<\/p>\n<ul>\n<li>Paslanmaz \u00e7el \u201c tane s\u0131n\u0131r\u0131 kor.ile \u00f6nleyici ted.<\/li>\n<\/ul>\n<p><em>K\u0131saltmalar: A.H.; Akma h\u0131z\u0131, ost.; Ostenitik, D.D; d\u00f6kme demir. (ALINTIDIR.)<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-93\" src=\"http:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0002-300x164.jpg\" alt=\"0002\" width=\"300\" height=\"164\" srcset=\"https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0002-300x164.jpg 300w, https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0002-768x419.jpg 768w, https:\/\/www.korozyonuzmani.com\/wp-content\/uploads\/2016\/01\/0002.jpg 876w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: right;\">Edit\u00f6r:<\/p>\n<p style=\"text-align: right;\">Metalurji ve Malzeme M\u00fchendisi<\/p>\n<p style=\"text-align: right;\">MEHMET AL\u0130 DA\u011eLI<\/p>\n<div id=\"tarih_goster\" style=\"text-align: right;\">Tarih : 28.10.2015<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Deniz suyunda korozyon nas\u0131l ger\u00e7ekle\u015fir? Deniz suyu korozyonuna maruz kalan yap\u0131lar; &#8211; Deniz \u00fczerindeki k\u00f6pr\u00fcler &#8211; Denizde, y\u00fczer ta\u015f\u0131ma tekneleri<\/p>\n","protected":false},"author":1,"featured_media":224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[27],"_links":{"self":[{"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/posts\/88"}],"collection":[{"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/comments?post=88"}],"version-history":[{"count":3,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/posts\/88\/revisions"}],"predecessor-version":[{"id":94,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/posts\/88\/revisions\/94"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/media\/224"}],"wp:attachment":[{"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/categories?post=88"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.korozyonuzmani.com\/en\/wp-json\/wp\/v2\/tags?post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}