The Investigation of Bi-Ga Partial Replacement Effect on Magnetic, Mechanical and Microstructural Properties Bi(1,8-x)Pb0,2GaxSr2CaCu2Oy Superconductor

Abstract

Since the BSCCO 2212 superconducting system has an open structure due to the addition and partial replacement methods, many studies have been carried out and the articles have been published. In this study, the effect of Ga on the superconductivity of the structure was investigated by measuring the susceptibility of the samples obtained by increasing the Ga ratio by performing Bi-Ga partial replacement at a certain ratio in the BSCCO 2212 superconductor. Vickers micro hardness measurements were used to examine the mechanical properties of each sample. x-ray diffraction (XRD) analysis results were evaluated in order to determine the structural properties of the samples and crystal structure formations were observed by scanning electron microscope (SEM) images.

Keywords

• superconductivitiy
• Bi-Ga substutions
• IIC model
• mechanical properties

Bi-Ga Kısmi Yer Değiştirme Etkisinin Manyetik, Mekanik ve Mikroyapısal Özellikler Bi(1,8-x)Pb0,2GaxSr2CaCu2Oy Süperiletken Üzerinde İncelenmesi

Öz

BSCCO 2212 süperiletken sistem, ekleme ve kısmi değiştirme yöntemleri nedeniyle açık bir yapıya sahip olduğundan birçok çalışma yapılmış ve makaleler yayınlanmıştır. Bu çalışmada, BSCCO 2212 süperiletkeninde belirli bir oranda Bi-Ga kısmi yer değiştirmesi yapılarak Ga oranı artırılarak elde edilen örneklerin duyarlılığı ölçülerek Ga'nın yapının süperiletkenliğine etkisi araştırılmıştır. Her numunenin mekanik özelliklerini incelemek için Vickers mikro sertlik ölçümleri kullanıldı. Numunelerin yapısal özelliklerini belirlemek için x-ışını kırınımı (XRD) analiz sonuçları değerlendirildi ve taramalı elektron mikroskobu (SEM) görüntüleri ile kristal yapı oluşumları gözlemlendi.

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