期刊缩写       T INDIAN CERAM SOC

期刊全称       Transactions of the Indian Ceramic Society 《印度陶瓷学会汇刊》

期刊ISSN      0371-750X

2012-2013最新影响因子     0.132

期刊官方网站       http://www.transactions-incers.org/index.php

期刊投稿网址       http://mc.manuscriptcentral.com/tcer

通讯方式       INDIAN CERAMIC SOC, CENTRAL GLASS & CERAMIC RES INST, KOLKATA, INDIA, 700 032

涉及的研究方向    工程技术-材料科学：硅酸盐

出版国家       INDIA

出版周期       Quarterly

出版年份       0

年文章数       15

 

 

Innovative Design of Processing Glazed Archaized Tiles

Transactions - Indian Ceramic Society (Impact Factor: 0.13). 04/2014; 73(1):58-62. DOI: 10.1080/0371750X.2014.890774

ABSTRACT The surface of glazed archaized tile is uneven; therefore it is not feasible for a non-adaptive polishing head to perform well under uneven and variant conditions. In this paper, the design of a self-adaptive T-type head is proposed for increasing production and improving surface quality. Machining of glazed archaized tiles is experimented to evaluate the efficiency of self-adaptive T-type head. The results show that the proposed self-adaptive T-type head has better scratch removing ability than the conventional polishing head.

 

Beneficiation of Low Grade Kaolin by High Shear Agitation with Dispersant (HSD) Pre-Treatment for High Yield and Improved Fired Colour

ABSTRACT Crude kaolin contains various amounts of discolouring elements such as anatase (TiO2), mica and iron oxide (Fe2O3), which give low brightness and are detrimental in use. In addition, the anatase (titaniferrous) and mica can also contain iron contaminants. Beneficiation of two crude low grade china clays, marked as KY and SR, was attempted through imitating existing industrial practice of levigation and hydrocyclone classification, and through an innovative technique of high shear agitation with dispersant (HSD) pre-treatment. HSD treated clays were subjected to impurity removal by sieving, demagnetizing and coarse/heavy impurity removal by sedimentation under gravity techniques. The results in terms of yield of clay (% on feed basis), grade of clay (kaolinite%) and effect of purified clays on the whiteness of porcelain were compared. It was found that by use of HSD pre-treatment, SR dump clay could be purified to contain 90.7% kaolinite and 0.75% free silica with a striking yield of 62.32% as compared to 88.90% kaolinite, 3.34% free silica and 30.2% only as yield by levigation and hydrocyclone. The KY dump clay was purified to contain 85.51% kaolinite and only 5.57% free silica with 44.3% yield by HSD pre-treatment as compared to 72.29% kaolinite, 16.29% free silica and 30.4% only as the yield by levigation and hydrocyclone classification. The kaolinite enrichment and removal of free silica to a major extent and chromophore impurities (although to a minor extent) in these dump clays after beneficiation rendered them suitable for polished vitrified porcelain tiles application as far as the development of white fired colour in the tiles body is concerned.

 

Electrophoretic Deposition of Thin Film Zirconia Electrolyte on Non-conducting NiO-YSZ Substrate

ABSTRACT Eight (8) mol% yttria stabilized zirconia (YSZ), an electrolyte material for solid oxide fuel cell (SOFC), has been deposited onto porous non-conducting NiO-YSZ substrate using electrophoretic deposition technique (EPD) from a stable non-aqueous suspension of YSZ. Normally, EPD cannot be performed on a non-conducting substrate, but, in this present study, YSZ particulate film has been successfully deposited on a non-conducting NiO-YSZ substrate following two different EPD approaches:(a) using a conducting metallic plate on the reverse side of the porous NiO-YSZ anode substrate and (b) using a conducting polymer coated NiO-YSZ substrate. The deposited films are then formed dense coatings of 5-15 μm after sintering at 1400°C for 6 h in air. Surface and cross-sectional morphologies of green and sintered films deposited by different EPD approaches are investigated using SEM. La0.65Sr0.3MnO3 (LSM), a cathode for SOFC, is then screen-printed onto the electrolyte layer of such sintered half cells (anode+electrolyte) prepared by both the above approaches to construct SOFC single cells. A maximum output power density of 0.37 W.cm–2 is obtained using single cells prepared by conducting metallic plate assisted EPD compared to that of 0.73 W.cm–2 for polymer coated at 800°C using H2 as fuel and O2 as oxidant.