Eklemeli İmalat Yöntemi ile Üretilmiş PLA Levhaların Bağlantı Dayanımları: İndüksiyonla Isıtma ve Yapıştırıcı Teknolojilerinin Karşılaştırılması

Yıl 2024, , 993 - 1004, 20.08.2024

Mustafa Acaroğlu , Özkan Öz , Fatih Huzeyfe Öztürk

https://doi.org/10.35414/akufemubid.1470936

Öz

Bu çalışmada indüksiyonlu ısıtma ve endüstriyel yapıştırıcı kullanılarak hazırlanan termoplastik malzemeli bağlantıların dayanımları deneysel olarak belirlenmiştir. Bağlantılarda kullanılan Polilaktik Asit (PLA) levhalar 3B yazıcı kullanılarak üretilmiş ve yapıştırma ve indüksiyonlu ısıtma yöntemleri ile birleştirilmiştir. İndüksiyonlu ısıtma prosesinde, bindirme bölgesine farklı geometrilerde (tel ve levha) iletken malzeme yerleştirilmiştir. Yapıştırıcı ile birleştirme yönteminde bindirme yüzeylerinde siyanoakrilat endüstriyel yapıştırıcı kullanılmıştır. Her iki yöntem ile hazırlanan bağlantıların dayanımlarını belirlemek için çekme testleri uygulanmıştır. İndüksiyonlu ısıtma prosesinde iletken malzeme olarak levha, 3 tel ve 5 tel kullanılması durumunda bağlantı hasar yükleri sırasıyla, 1003 N, 1393 N ve 2057 N olarak ölçülmüştür. Yapıştırmalı bağlantıda hasar yükü 2378 N’a ulaşmıştır. Deneysel sonuçlar, indüksiyonlu ısıtma yönteminde bindirme bölgesinin tamamında levha yerine farklı sayılarda tel kullanımının daha uygun olduğunu göstermiştir. Ayrıca, indüksiyonlu ısıtmada 5 tel ile ulaşılan bağlantı dayanım değerinin, yapıştırıcı kullanılarak hazırlanan bağlantı dayanım değerine yakın olması, bu yöntemin yapıştırmalı bağlantılara önemli bir alternatif olabileceğini göstermiştir.

Anahtar Kelimeler

Basit bindirmeli bağlantı, Bağlantı dayanımı, İndüksiyonlu ısıtma, Eklemeli imalat.

Etik Beyan

Bu çalışma Dr. Öğretim Üyesi Özkan ÖZ danışmanlığında Mustafa Acaroğlu tarafından 2023 yılında tamamlanan “İndüksiyon yöntemiyle üretilen termoplastik malzemeli bağlantının mekanik özelliklerinin incelenmesi” başlıklı ve 838401 tez no’lu yüksek lisans tezinden türetilmiştir.

Joint Strength of PLA Sheets Produced by Additive Manufacturing: Comparison of Induction Heating and Adhesive Technologies

Öz

In this study, the strengths of thermoplastic joints prepared using induction heating and industrial adhesive were experimentally determined. The Polylactic acid (PLA) sheets used in the joints were produced with a 3D printer and joined using adhesive and induction heating. In the induction heating process, the susceptor with different geometries (wire and sheet) was placed in the overlap region. In the adhesive bonding method, cyanoacrylate industrial adhesive was used on the overlap surfaces. Tensile tests were performed to determine the strength of the joints prepared by both methods. In the case of using a sheet, 3 wires and 5 wires as susceptor in the induction heating process, the joint failure loads were obtained as 1003 N, 1393 N and 2057 N, respectively. In the case of adhesive joint, the failure load reached 2378 N. The experimental results showed that it is more appropriate to use different numbers of wires instead of plates in the entire overlap zone in the induction heating method. In addition, the fact that the joint strength value achieved with 5 wires in induction heating is close to the joint strength value prepared using adhesive showed that this method could be an important alternative to adhesively bonded joints.

Anahtar Kelimeler

Single lap joint, Joint strength, Induction heating, Additive manufacturing

Kaynakça

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