Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3
Proje Grubu: MAG Sayfa Sayısı: 480 Proje No: 217M690 Proje Bitiş Tarihi: 15.11.2020 Metin Dili: Türkçe İndeks Tarihi: 29-03-2021
Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3
Öz: Bu projenin ilk asamasında (Kırılma ve Çatlak Ilerleme Analiz Sistemi (FCPAS) - Asama 1, 2008-2011), temel geometrilere sahip parçalarda mod-I çatlak ilerleme analiz kabiliyetleri gelistirilmis ve kullanıcı ara yüzü olusturulmustur. Asama 2 projesinde (2013-2016), mod-I çatlak ilerleme analiz kabiliyetleri pratik saha problemlerine uygulanarak ilave saglamalar yapılmıs, karısık mod yük altında iki ve üç boyutlu çatlak ilerleme problemleri için deneysel ve analiz yöntemleri ile iyilestirilmis kırılma kriterleri olusturulmustur. Yukarıda tanımlanan çalısmalar ile karmasık geometri ve yük altında kırılma ve çatlak ilerleme analizlerinin yapılabilmesi için gerekli yöntem ve yazılım altyapısı olusturulmustur. Bu projede, gelistirilmis olan karısık mod analiz yetenekleri, yeni endüstriyel ve literatür problemlerine uygulanmıs ve olasılık temelli iki ve üç boyutlu çatlak ilerleme deney ve analizleri gerçeklestirilmistir. Bu çalısmalar, asagıda dört temel kategoride tanımlanmaktadır; 1) FCPAS karısık mod yük altında analiz kabiliyetlerinin enerji, ulastırma, havacılık ve savunma alanlarında karsılasılan kırılma ve çatlak ilerleme problemlerine uygulanması ve dogrulamalarının yapılması. Bu kapsamda, degisik uygulamalar yapılmıs, tahmin edilen düzlemsel olmayan üç boyutlu çatlak ilerleme yüzeyleri referans veriler ile dogrulanmıstır. 2) Olasılık Temelli Iki-Boyutlu Kırılma Mekanigi Analiz ve Deneysel Çalısmaları: Alüminyum 7075 ve standart Compact Tension (CT) numunesi kullanılarak malzeme özelliklerindeki degiskenlikler belirlenmis, analizler yapılarak sabit ve degisken genlikli yükleme sartları için mevcut yorulma çatlak ilerleme modelleri degerlendirilmis ve iyilestirilmis bir model önerilmistir. Elde edilen veriler asagıdaki üç boyutlu çatlak ilerleme analizlerinde kullanılmıstır. 3) Olasılık Temelli Üç-Boyutlu Kırılma Mekanigi Analiz ve Deneysel Çalısmaları: Alüminyum 7075 malzemesinden yapılmıs standart olmayan ve üç boyutlu mod-I yüzey çatlagı içeren numuneler kullanılarak yukarıdaki is paketinden elde edilen veriler ile sabit ve degisken genlikli yükleme sartları altında yorulma çatlak ilerleme analizleri gerçeklestirilmis ve deneysel sonuçlar ile saglamaları yapılmıstır. Bagımsız bir çatlak ilerleme analiz yazılımı gelistirilmistir. 4) FCPAS grafiksel kullanıcı ara yüzünün (GUI) güncellenmesi. Yukarıda tanımlanan gelismeler çerçevesinde kullanıcı ara yüzünde güncellemeler yapılmıstır. Proje kapsamında yapılan çalısmalar ile FCPAS'in mod-I ve karısık mod yük sartları altındaki kırılma ve çatlak ilerleme problemlerine uygulanabilir bir program oldugunun ispatı yapılmıs, olasılık temelli çatlak ilerleme analiz kabiliyetleri gelistirilerek saglamaları yapılmıstır. Böylece, projenin 4. asaması olarak planlanan, yüksek sıcaklık ve degisken sartlar altında gerçeklesen kırılma problemleri çalısmalarının zemini hazırlanmıstır.
Anahtar Kelime: Konular:
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| APA | AYHAN A, IRIÇ S, DEMİR O (2020). Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. , 1 - 480. |
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| IEEE | AYHAN A,IRIÇ S,DEMİR O "Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3." , ss.1 - 480, 2020. |
| ISNAD | AYHAN, Ali Osman vd. "Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3". (2020), 1-480. |
| APA | AYHAN A, IRIÇ S, DEMİR O (2020). Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. , 1 - 480. |
| Chicago | AYHAN Ali Osman,IRIÇ SEDAT,DEMİR Oğuzhan Ömer Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. (2020): 1 - 480. |
| MLA | AYHAN Ali Osman,IRIÇ SEDAT,DEMİR Oğuzhan Ömer Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. , 2020, ss.1 - 480. |
| AMA | AYHAN A,IRIÇ S,DEMİR O Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. . 2020; 1 - 480. |
| Vancouver | AYHAN A,IRIÇ S,DEMİR O Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3. . 2020; 1 - 480. |
| IEEE | AYHAN A,IRIÇ S,DEMİR O "Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3." , ss.1 - 480, 2020. |
| ISNAD | AYHAN, Ali Osman vd. "Kırılma ve Çatlak İlerleme Analiz Sistemi (FCPAS) – Aşama 3". (2020), 1-480. |
