Li2O-Al2O3-SiO2-NiO cam-seramiğinin üretimi ve karakterizasyonu

Year 2019, Volume: 7 Issue: 1, 457 - 465, 31.01.2019

Ömer Kaygili

https://doi.org/10.29130/dubited.458191

Abstract

Bu çalışmada, Li₂O-Al₂O₃-SiO₂-NiO
cam-seramik numunesi geleneksel yöntem kullanılarak üretildi ve X-ışını
kırınımı (XRD) analizi, Fourier dönüşümlü kızılötesi (FTIR) spektroskopisi,
diferansiyel termal analiz (DTA), termogravimetrik analiz (TGA) ve taramalı
elektron mikroskopisi teknikleri kullanılarak karakterize edildi. Numunenin iki
fazlı çok kristalli bir yapıya sahip olduğu görüldü. Fonksiyonel gruplar tespit
edildi. Üretilen numunenin oda sıcaklığı ile 1000 °C aralığında termal
davranışı araştırıldı. Numunenin morfolojisi incelendi ve numune içerisinde
herhangi bir safsızlık tespit edilemedi.

Keywords

Cam-seramik, Morfoloji, Kristal yapı

Production and characterization of Li2O-Al2O3-SiO2-NiO glassceramic

Abstract

In this study, a Li2O-Al2O3-SiO2-NiO glass-ceramic sample was produced using the conventional method and
it was characterized by X-ray diffraction (XRD) analysis, Fourier transform infrared (FTIR) spectroscopy,
differential thermal analysis (DTA), thermogravimetric analysis (TGA) and scanning electron microscopy
(SEM) techniques. It was seen that the sample has the biphasic polycrystalline structure. The bands belonging to
the vibration modes of Si-O-Si ve Si-O-Al bonds were observed in the FTIR spectrum. The thermal behavior of
the as-produced sample was investigated in the range of room temperature to 1000 °C. The morphology of the
sample was investigated and no impurity in the sample was detected.

Keywords

Glass-ceramic, Morphology, Crystal structure

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