AUTOGENOUS MICROWAVE WELDING OF POLYMETHYMETHACRYLATE MATERIAL

Year 2019, Volume: 8 Issue: 1, 576 - 582, 28.01.2019

Bedri Baksan

https://doi.org/10.28948/ngumuh.517200

Abstract

   Polymethylmethacrylate (PMMA) sheets were
autogenously welded without using heat dissipating graphite or siliconcarbide,
under 2MPa load, for 70, 80, 90, and 100 seconds duration times. The shear
tests were applied to welded samples to find the bonding strength, the highest
bonding strength of 3.1MPa was found in 80 second welded sample.  The weld region of samples were observed for
optical and scanning electron microscopy.

Keywords

polymer materials, welding, microwave

POLİMETİLMETAKRİLAT MALZEMENİN MİKRODALGA İLE OTOJEN KAYNAĞI

Abstract

   Mikrodalga kullanılarak polimetilmetakrilat
(PMMA) levhalar birbirine arada herhangi bir ısı çeken grafit veya silisyum
karbür malzeme olmadan, otojen olarak 2 MPa yük altında 70, 80, 90 ve 100
saniye süreyle kaynaklanmıştır. Kaynaklanan parçaların bağlanma mukavemetleri
kesme deneyi ile mekanik olarak test edilmiş, en iyi bağlanmanın 80 saniye
süreyle kaynaklanan numunelerde olduğu görülmüştür. Bağlanma kuvveti 80 saniye
süreyle kaynaklanan numune için 3,1 MPa olarak tespit edilmiştir. Kaynaklanmış parçaların
optik mikroskop ve taramalı elektron mikroskobu kullanılarak kaynak bölgesi
incelenmiştir. 

Keywords

polimer malzeme, kaynak, mikrodalga

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