Potential of Some Granites from Foumban (West Region of Cameroon) as Fluxing Materials for Ceramics

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2020-08-04 DOI:10.4236/jmmce.2020.85022

Njimbouombouo Mouliom Soualiou, Etone Macka Alexandre Dodo, Ondoua Abondo Ebengue Yannick, C. R. Nangah, Njoya André, Mouncherou Oumar Farouk, N. Billong

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Abstract

This study focuses on the mineralogical, geochemical and petrographic characterization of three granite rock samples (LTP, LTS and LTMB) from Foumban, West Region of Cameroon. Fusibility tests were carried out on the samples containing the highest amount of alkali to assess the potential of these materials as fluxing admixture for ceramics. The results show that the granite consists of alkaline feldspars, notably orthoclase and microcline of perthitic micro-texture, plagioclases (in particular albite) and also mafic minerals such as amphibole and pyroxene. The quantity of alkali in the samples is quite high (16.83% for LTS, 17.08% for LTMB and 18.87% for LTP) compared to standard data. Fusibility tests carried out on the samples having the highest alkali content (LTMB and LTP) showed that the vitreous phase appears between 1050°C and 1100°C in these samples when they were heated. The Fe2O3 and TiO2 content of LTMB (3.01% and 1.49% respectively) led to a brown colour of its fired product. Therefore, based on their composition, these materials can be used as feldspathic fluxes for the formulation of ceramic products.

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喀麦隆西部富班地区某些花岗岩作为陶瓷助熔剂的潜力

本文研究了喀麦隆西部富班地区3个花岗岩样品(LTP、LTS和LTMB)的矿物学、地球化学和岩石学特征。对含碱量最高的样品进行了熔融性试验，以评价这些材料作为陶瓷助熔剂的潜力。结果表明，该花岗岩主要由碱性长石(以长长石和微斜长石为主)、斜长石(以钠长石为主)和闪石、辉石等基性矿物组成。与标准数据相比，样品中的碱含量相当高(LTS为16.83%，LTMB为17.08%，LTP为18.87%)。对碱含量最高的样品(LTMB和LTP)进行的熔融性试验表明，当这些样品加热时，在1050°C至1100°C之间出现玻璃相。LTMB的Fe2O3和TiO2含量分别为3.01%和1.49%，烧结产物呈棕色。因此，根据其组成，这些材料可以用作陶瓷产品配方的长石助熔剂。

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Journal of Minerals and Materials Characterization and Engineering

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