Study by Mossbauer-Spectroscopy of Iron Oxides in Acid-Resistant Ceramic Materials Based on Production Waste

被引：2
|
作者：
Kairakbaev, A. K. [1 ]
Abdrakhimov, V. Z. [2 ]
Abdrakhimova, E. S. [3 ]
机构：
[1] S Baishev Aktyubinsk Univ, TOO Tekhnopk Zerek Estab, Aktobe, Kazakhstan
[2] FGBOU VO Samara State Econ Univ, Samara, Russia
[3] FGBOU VO SP Samara Natl Res Univ, Samara, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2020年 / 61卷 / 02期
关键词：
Mossbauer-spectroscopy; iron oxides; clay part of zircon-ilmenite ores gravitation (ZIG) tailings; pyrite cinder; acid-resistant ceramic materials;
D O I：
10.1007/s11148-020-00452-w
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The distribution of iron ions during firing of acid-resistant ceramic materials based on production waste is established using the Mossbauer effect. It is revealed that in samples containing an increased amount of iron oxide (17 - 18%) strength and frost resistance are better than in specimens containing 6 - 7 % Fe2O3. Calculation of the areas of the doublets of the spectrum showed that iron compounds at the surface of the samples studied (where an oxidizing atmosphere predominates) are mainly represented by hematite, and in their central part (reducing atmosphere) by magnetite, and in this case specimen acid resistance is reduced.
引用
收藏
页码：183 / 187
页数：5
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