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Dergiler / Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi / 2019 / Cilt: 25 Sayı: 1

Fe3O4/FeO/CoNi kompozit malzemenin sentezi ve manyetik özelliklerinin incelenmesi

Synthesis of Fe3O4/FeO/CoNi composite material and study of its magnetic properties

Muharrem Kunduracı

Sayfa
56–59
Yayın Tarihi
2019-02-26
DOI
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Özet

Normal 0 false false false TR X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Normal Tablo"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri",sans-serif; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-ansi-language:TR;} Fe 3 O 4 /FeO/CoNikompozit malzemesi iki aşamalı proses kullanılarak üretilmiştir. Birinci aşamada, oksit prekürsörü (öncül malzeme) ıslak sentez esaslı Pechini yöntemi kullanılarak düşük sıcaklıkta üretilmiştir. İkinci aşamada prekürsör malzemesi 500, 600, 700 veya 800 °C’ye hidrojen gazı altında ısıtılarak indirgenmiştir ve metal/oksit kompozit malzemesi elde edilmiştir. Farklı sıcaklıklarda üretilen malzemelerin yapısal, morfolojik ve manyetik özellikleri X-ışını kırınımı, tarama elektron mikroskobu ve titreşen örnek manyetometresi kullanılarak incelenmiştir. 600 °C’den 700 °C’ye geçişte manyetik özelliklerde ani değişiklikler gözlenmiştir. Doygunluk mıknatıslanması iki katına çıkarken, koersif kuvvet yarıya inmiştir. Bu değişiklikler manyetik CoNi fazın amorf bir yapıdan kristal bir yapıya geçişiyle ve Fe 3 O 4 fazın parçacık boyutunun yaklaşık olarak iki katına artmasıyla açıklanmıştır

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Bu Makaleye Atıf Yap

Kunduracı, M. (2019). Fe3O4/FeO/CoNi kompozit malzemenin sentezi ve manyetik özelliklerinin incelenmesi. Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi, Cilt: 25 Sayı: 1, 56–59. https://ajindex.com/articles/1058637

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Kaynakça (22)

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