Effect of atmospheric pressure plasma treatment on the adhesive bonds of metal surfaces

Öz

Atmospheric pressure plasma (APP) applications have started to come to the fore in many areas today because of their fast and easy-stable applicability to material surfaces and because they have many advantages compared to plasma applications made under vacuum. With APP, it is possible to improve the surface energies, adhesion behavior and surface mechanical properties of materials. In this context, there is a need to reveal the process parameters by making more detailed studies in the bonding process of metal materials. In this study, the effects of APP application on the adhesion strength of galvanized steels (H300LAD) and stainless steels (H300LA) were investigated. Two different materials (H300LAD and H300LA), two different adhesives (Marocol 18576 and Erde G-Force) and three different plasma application velocities (5 mm/s, 10 mm/s and 15 mm/s) were determined as experimental parameters. The results show that APP application provides improvements in metal bonding process.

Anahtar Kelimeler

• Atmospheric pressure plasma
• adhesion strength
• water contact angle
• wettability
• plasma surface treatment

Metal malzeme yüzeylerinin yapıştırma işlemlerinde atmosferik basınçlı plazma uygulamasının etkisi

Öz

Atmosferik basınçlı plazma (ABP) uygulamaları, hızlı ve kolay-stabil şekilde malzeme yüzeylerine uygulanabilirliğinden ve vakum altında yapılan plazma uygulamalarına göre çok sayıda avantaja sahip olduğundan dolayı günümüzde birçok alanda ön plana çıkmaya başlamıştır. ABP ile malzemelerin yüzey enerjilerinin, yapışma davranışlarının ve yüzey mekanik özelliklerinin iyileştirilmesi mümkündür. Bu bağlamda metal malzemelerin yapıştırılması işleminde daha detaylı araştırmalar yapılarak süreç parametrelerinin ortaya konulmasına ihtiyaç duyulmaktadır. Bu çalışmada ABP uygulamasının, galvaniz kaplamalı çelikler (H300LAD) ile paslanmaz çeliklerin (H300LA) yapıştırma bağının dayanımları üzerindeki etkileri araştırılmıştır. Deney parametreleri olarak iki farklı malzeme (H300LAD ve H300LA), iki farklı yapıştırıcı (Marocol 18576 ve Erde G-Force) ve üç farklı plazma uygulama hızı (5 mm/s, 10 mm/s ve 15 mm/s) belirlenmiştir. Sonuçlar, ABP uygulamasının metal yapıştırma işleminde iyileşmeler sağladığını göstermektedir.

Anahtar Kelimeler

• Atmosferik basınçlı plazma
• yapışma dayanımı
• su temas açısı
• ıslanabilirlik
• plazma yüzey işleme

Teşekkür

Malzeme numunelerini sağlayan Borçelik A.Ş., yapıştırıcı malzeme destekleri için ERBAB Otomotiv Ltd. Şti., çekme testlerinin gerçekleştirilmesindeki destekleri için Destek Otomotiv Yan Sanayi ve Tic. A.Ş. ve plazma uygulama cihazları ve özel mürekkep testleri için de FCB Ar-Ge Ltd. Şti. firmalarına teşekkür ederiz.

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