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Journals / Mühendislik Bilimleri ve Tasarım Dergisi / 2026 / Cilt: 14 Sayı: 3

EXPERIMENTAL INVESTIGATION OF TENSILE AND IMPACT BEHAVIOR OF SLA-PRINTED PHOTOPOLYMER COMPOSITES REINFORCED WITH MILLED CARBON FIBER

ÖĞÜTÜLMÜŞ KARBON ELYAF TAKVİYELİ SLA BASKILI FOTOPOLİMER KOMPOZİTLERİN ÇEKME VE DARBE DAVRANIŞININ DENEYSEL İNCELENMESİ

Aleyna Çubuk0009-0002-2355-6506
Aykut Çetin(ADANA ALPARSLAN TÜRKEŞ BİLİM VE TEKNOLOJİ ÜNİVERSİTESİ)0000-0002-2010-7847
Pages
803–816
Publication Date
2026-09-25
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AI Summary & Key Takeaways

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

The results showed that increasing the infill ratio significantly improved both tensile strength and impact toughness, while the addition of milled carbon fiber particles generally reduced the mechanical performance of the printed composites.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Additive manufacturing technologies enable the production of complex geometries with low material waste and manufacturing cost.
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Key Findings & Data:However, the mechanical performance of photopolymer parts produced by SLA is often limited for structural applications.
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Conclusion & Impact:The results showed that increasing the infill ratio significantly improved both tensile strength and impact toughness, while the addition of milled carbon fiber particles generally reduced the mechanical performance of the printed composites.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Stereolitografi (SLA) · Fotopolimer kompozitler · Öğütülmüş karbon elyaf

Abstract

Additive manufacturing technologies enable the production of complex geometries with low material waste and manufacturing cost. Among these technologies, stereolithography (SLA) has attracted considerable attention due to its high printing resolution and surface quality. However, the mechanical performance of photopolymer parts produced by SLA is often limited for structural applications. In this study, the tensile and Charpy impact behavior of SLA-printed photopolymer composites reinforced with milled carbon fiber particles was experimentally investigated. Specimens were produced at five different infill ratios (20%, 40%, 60%, 80%, and 100%) and five different reinforcement contents (0, 0.4, 0.8, 1.2, and 1.6 wt.%). Tensile tests were conducted according to ASTM D638 Type V standard, while Charpy impact tests followed ASTM D256. The results showed that increasing the infill ratio significantly improved both tensile strength and impact toughness, while the addition of milled carbon fiber particles generally reduced the mechanical performance of the printed composites. The highest mechanical properties were obtained in specimens produced with 100% infill and without reinforcement. These findings provide new insight into the combined effects of infill ratio and particle reinforcement and may serve as a practical guideline for improving the mechanical performance of SLA-printed photopolymer composites.

Özet

Eklemeli imalat teknolojileri, karmaşık geometrilerin düşük malzeme kaybı ve üretim maliyeti ile üretilmesine olanak sağlamaktadır. Bu teknolojiler arasında stereolitografi (SLA), yüksek baskı çözünürlüğü ve iyi yüzey kalitesi sayesinde önemli bir ilgi görmektedir. Bununla birlikte, SLA yöntemi ile üretilen fotopolimer parçaların mekanik performansı birçok mühendislik uygulaması için sınırlı kalabilmektedir. Bu çalışmada, öğütülmüş karbon elyaf partikülleri ile takviye edilmiş SLA baskılı fotopolimer kompozitlerin çekme ve Charpy darbe davranışı deneysel olarak incelenmiştir. Numuneler beş farklı doluluk oranında (%20, %40, %60, %80 ve %100) ve beş farklı takviye oranında (0, %0.4, %0.8, %1.2 ve %1.6 ağırlıkça) üretilmiştir. Çekme testleri ASTM D638 Tip V standardına göre, Charpy darbe testleri ise ASTM D256 standardına uygun olarak gerçekleştirilmiştir. Deney sonuçları doluluk oranının artmasının hem çekme dayanımını hem de darbe tokluğunu artırdığını, buna karşılık öğütülmüş karbon elyaf ilavesinin mekanik özellikleri genel olarak azalttığını göstermiştir. En yüksek mekanik özellikler %100 doluluk oranına sahip ve takviye içermeyen numunelerde elde edilmiştir. Elde edilen bulgular, doluluk oranı ve partikül takviyesinin birlikte etkisini ortaya koymakta ve SLA ile üretilen fotopolimer kompozitlerin mekanik performansının iyileştirilmesine yönelik önemli bilgiler sunmaktadır.

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Cite This Article

Çubuk, A., Çetin, A. (2026). EXPERIMENTAL INVESTIGATION OF TENSILE AND IMPACT BEHAVIOR OF SLA-PRINTED PHOTOPOLYMER COMPOSITES REINFORCED WITH MILLED CARBON FIBER. Mühendislik Bilimleri ve Tasarım Dergisi, Cilt: 14 Sayı: 3, 803–816. https://doi.org/10.21923/jesd.1910850

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