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Journals / Teknik Bilimler Dergisi / 2026 / Cilt: 16 Sayı: 2

Experimental Investigation of Impact Performance in Polyamide and Carbon Fiber Reinforced Polyamide Composites Fabricated by Melt Joining Method

Eriyik Biriktirme Yöntemi ile Üretilen Poliamid ve Karbon Fiber Takviyeli Poliamid Kompozitlerin Darbe Davranışlarının Deneysel Olarak İncelenmesi

Ümran Esendemir(SÜLEYMAN DEMİREL ÜNİVERSİTESİ)
Gamze Günaydin(SÜLEYMAN DEMİREL ÜNİVERSİTESİ, FEN BİLİMLERİ ENSTİTÜSÜ)0009-0009-9702-7675
Pages
96–116
Publication Date
2026-07-20
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AI Summary & Key Takeaways

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

Puncture damage occurred in CPA samples at both 20 J and 30 J impact energies, while damage in the form of matrix crushing occurred in PA samples.

📌 3 Key Takeaways

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Objective & Hypothesis:Abstract: Composite properties, due to their high strength and special solvable mechanical properties, are frequently used in various fields, especially in the automotive, aerospace, and defense industries.
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Key Findings & Data:Low-speed impact tests were performed on flexible polyamide (PA) and 20% carbon fiber reinforced polyamide (CPA) composites.
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Conclusion & Impact:Puncture damage occurred in CPA samples at both 20 J and 30 J impact energies, while damage in the form of matrix crushing occurred in PA samples.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Kısa karbon fiber 1 · Poliamid (PA) 2 · Kompozit 3

Abstract

Abstract: Composite properties, due to their high strength and special solvable mechanical properties, are frequently used in various fields, especially in the automotive, aerospace, and defense industries. Additive manufacturing technology has become a preferred method for composite material production among other methods due to its shape flexibility, low production cost, and personalized production possibilities. Carbon fiber reinforced polyamide composite materials produced by additive manufacturing are classified as low-speed impact resistant. Low-speed impact tests were performed on flexible polyamide (PA) and 20% carbon fiber reinforced polyamide (CPA) composites. To reveal the characteristics of the impact performance, force collapse, force-time, absorbed energy-time, and velocity-time graphs were reduced under 20 J and 30 J impact energies. As a result of the study, it was observed that the impact resistance of CPA samples produced with 20% carbon fiber reinforcement was lower than that of PA samples. Puncture damage occurred in CPA samples at both 20 J and 30 J impact energies, while damage in the form of matrix crushing occurred in PA samples.

Özet

Öz: Kompozit malzemeler, yüksek mukavemete sahip olması ve özelleştirilebilir mekanik özellikleri sayesinde özellikle otomotiv, havacılık ve savunma sanayi gibi farklı alanlarda sıklıkla kullanılmaktadır. Eklemeli imalat teknolojisinin kompozit malzeme üretiminde, şekilsel esneklik, düşük üretim maliyetleri ve kişiselleştirilmiş üretim olanakları bu yöntemi diğer yöntemler arasında tercih edilir bir yöntem haline getirmiştir. Bu çalışmada, eklemeli imalat yöntemi ile üretilen karbon fiber takviyeli poliamid kompozit malzemelerin, düşük hızlı darbe davranışları deneysel olarak incelenmiştir. Bu bağlamda poliamid (PA) ve %20 karbon fiber takviyeli poliamid (CPA) kompozitlerin düşük hızlı darbe testleri yapılmıştır. Yapılan deneylerde darbe davranışının özelliklerini ortaya koymak amacıyla 20 J ve 30 J darbe enerjileri altındaki kuvvet çökme eğrileri, kuvvet-zaman, absorbe edilen enerji-zaman ve hız-zaman grafikleri çizilmiştir. Yapılan çalışma sonucunda eklemeli imalat yöntemiyle üretilen %20 karbon eklenmesi ile üretilen CPA numunelerinin darbe dayanımlarının PA numunelerine göre daha düşük olduğu görülmüştür. Hem 20 J hem de 30 J darbe enerjilerinde CPA numunelerinde delinme hasarı oluşurken PA numunelerinde matris ezilmesi şeklinde bir hasar oluşmuştur.

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Cite This Article

Esendemir, Ü., Günaydin, G. (2026). Experimental Investigation of Impact Performance in Polyamide and Carbon Fiber Reinforced Polyamide Composites Fabricated by Melt Joining Method. Teknik Bilimler Dergisi, Cilt: 16 Sayı: 2, 96–116. https://doi.org/10.35354/tbed.1944120

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