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Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2026 / Cilt: 41 Sayı: 2

Eklemeli imalat ile üretilen Ti6Al4V alaşımlarının kuru koşullarda UHMWPE'ye karşı sürtünme ve aşınma davranışlarının incelenmesi

Elif Nur Selçuk(SÜLEYMAN DEMİREL ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ)0000-0003-3799-4304
Ertuğrul Durak(SÜLEYMAN DEMİREL ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ)0000-0001-6957-3796
Pages
925–940
Publication Date
2026-07-20
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Sonuçlar, Eklemeli İmalat (Eİ) yöntemiyle üretilen biyomedikal titanyum alaşımlarının, geleneksel yöntemle üretilenlere kıyasla eşdeğer tribolojik performans sergileyerek güçlü bir alternatif aday olabileceğini ortaya koymaktadır.

📌 3 Key Takeaways

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Objective & Hypothesis:Bu çalışmada, Ada Taramalı Eklemeli İmalat (EİATTi) ve Izgara Taramalı Eklemeli İmalat (EİITTi) stratejileriyle üretilen titanyum (Ti) alaşımlı numunelerin sürtünme ve aşınma özellikleri, Geleneksel Yöntemli İmalat (GYİTi) ile üretilen numunelerle karşılaştırmalı olarak incelenmiştir.
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Key Findings & Data:Deney sonuçlarına göre, tüm ortalama sürtünme katsayıları (μ ort ) birbirine yakın büyüklükte olmasına rağmen, EİATTi-UHMWPE çiftinde en düşük değerler elde edilmiştir.
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Conclusion & Impact:Sonuçlar, Eklemeli İmalat (Eİ) yöntemiyle üretilen biyomedikal titanyum alaşımlarının, geleneksel yöntemle üretilenlere kıyasla eşdeğer tribolojik performans sergileyerek güçlü bir alternatif aday olabileceğini ortaya koymaktadır.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Eklemeli İmalat · ada/ızgara taramalı eklemeli imalat · sürtünme

Özet

Bu çalışmada, Ada Taramalı Eklemeli İmalat (EİATTi) ve Izgara Taramalı Eklemeli İmalat (EİITTi) stratejileriyle üretilen titanyum (Ti) alaşımlı numunelerin sürtünme ve aşınma özellikleri, Geleneksel Yöntemli İmalat (GYİTi) ile üretilen numunelerle karşılaştırmalı olarak incelenmiştir. Tribolojik karakterizasyon çalışmaları; pim malzemesi olarak Ti alaşımlarının, karşı aşındırıcı eleman olarak ise Ultra Yüksek Moleküler Ağırlıklı Polietilen (UHMWPE) malzemenin kullanıldığı bir Pim-Disk Aşınma Test Cihazı (PDATC) düzeneğinde gerçekleştirilmiştir. Deney sonuçlarına göre, tüm ortalama sürtünme katsayıları (μ ort ) birbirine yakın büyüklükte olmasına rağmen, EİATTi-UHMWPE çiftinde en düşük değerler elde edilmiştir. Tribolojik testler neticesinde, 750 m kayma mesafesi eşiğinden sonra sürtünme rejiminin kararlı hale gelip test sonuna kadar tüm numuneler benzer μ ort değerleri sergilediği tespit edilmiştir. En düşük sürtünme katsayısı ise 0,318 değeri ile EİATTi-UHMWPE çiftinde saptanmıştır. EİITTi numuneleri ise deney süresi boyunca en kararlı sürtünme davranışını sergilemiştir. Hesaplanan aşınma oranları (ws), GYİTi, EİATTi ve EİITTi için sırasıyla 56,0x10 -6 , 50,3x10 -6 ve 50,9x10 -6 mm 3 /Nm olarak belirlenmiş olup tüm numunelerde orta şiddetli aşınma karakteristiği gözlemlenmiştir. Ayrıca sürtünme değerleri göz önüne alındığında, UHMWPE beklendiği gibi katı bir yağlayıcı fonksiyonu sergilemiştir. Sonuçlar, Eklemeli İmalat (Eİ) yöntemiyle üretilen biyomedikal titanyum alaşımlarının, geleneksel yöntemle üretilenlere kıyasla eşdeğer tribolojik performans sergileyerek güçlü bir alternatif aday olabileceğini ortaya koymaktadır.

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Cite This Article

Selçuk, E. N., Durak, E. (2026). Eklemeli imalat ile üretilen Ti6Al4V alaşımlarının kuru koşullarda UHMWPE'ye karşı sürtünme ve aşınma davranışlarının incelenmesi. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 41 Sayı: 2, 925–940. https://doi.org/10.17341/gazimmfd.1770736

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