Optimizing A5356 Alloy Performance with WAAM: A Comprehensive Study

Year 2025, EARLY VIEW, 1 - 1

Berfin Gürsu , Merve Sude Kayış , Hakan Ateş , Murat Kayaalp

https://doi.org/10.2339/politeknik.1634054

Abstract

Wire Arc Additive Manufacturing (WAAM) technology is an attractive fabrication method for structural components due to significantly lower consumable usage and higher filler material addition rates than conventional fusion welding. The present study used 1.2 mm welding wire, WAAM CMT-MIG technique, three different wire feed speeds (WFS), and corresponding heat input levels to produce high layer thicknesses. Samples extracted from the fabricated walls were subjected to non-destructive testing methods, including visual inspection (VT), penetrant testing (PT), and ultrasonic testing (UT), as well as various mechanical and material characterization tests such as tensile, flexure, and notch impact tests, microhardness measurements, XRD analysis, and microstructural evaluations using optical microscopy, SEM, and EDS. The results revealed that bending strength and microhardness improved under low heat input conditions. Moreover, these findings indicate that the WAAM technique holds promise as a manufacturing method for A5356 samples when lower heat input is applied.

Keywords

WAAM , MIG-CMT , Heat input , A5356

Supporting Institution

TÜBİTAK

Thanks

The authors would like to thank the TUBITAK 2209-B project support code 1139B412302655. Thank you for the opportunity to present our paper at the ICMATSE Hybrid Conference.

WAAM ile A5356 Alaşım Performansının Optimize Edilmesi: Kapsamlı Bir Çalışma

Abstract

Tel Ark Eklemeli Üretim (WAAM) teknolojisi, geleneksel eritme kaynağına kıyasla önemli ölçüde daha düşük sarf kullanımı ve daha yüksek biriktirme oranları nedeniyle yapısal bileşenler için cazip bir üretim yöntemidir. Bu çalışmada, 1,2 mm kaynak teli, WAAM CMT-MIG (Soğuk Metal Transferi - Metal Soy Gaz) yöntemi kullanılarak üç farklı tel besleme hızı (WFS) ve üç farklı ısı girdisi değeri ile yüksek katman kalınlıklarında üretimler yapılmıştır. Üretilen duvarlardan elde edilen numuneler üzerinde görsel muayene (VT), penetrant testi (PT) ve ultrasonik muayene (UT) gibi tahribatsız muayene yöntemleri ve çekme testi, eğme testi, çentik darbe testi, mikrosertlik, XRD, mikroyapı analizleri (optik mikroskop, SEM ve EDS) dahil olmak üzere çeşitli testler gerçekleştirilmiştir. Sonuçlar analiz edilmiş ve düşük ısı girdisinde eğilme mukavemeti ve mikrosertliğin arttığı ortaya çıkmıştır. Ayrıca, bu sonuçlar WAAM yönteminin daha düşük ısı girdisi ile A5356 numuneler için bir üretim yöntemi olarak umut vaat ettiğini göstermektedir.

Keywords

WAAM , MIG-CMT , ısı girdisi , A5356

Supporting Institution

TÜBİTAK

Thanks

Yazarlar, 1139B412302655 kodlu TÜBİTAK 2209-B projesinin desteğine teşekkür eder. ICMATSE Hybrid Konferans'ına makalemizi sunma fırsatı verdikleri için teşekkür ederiz.

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