The Microstructure and Translucency Investigation of Cellulose Containing Low Temperature Fritted Soft-paste Porcelain

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-03-10 DOI:10.22068/IJMSE.18.1.4

M. Mianji, H. Sarpoolaky, M. S. Sararoudi

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Abstract

Translucent porcelain with appropriate workability has been considered beneficial for light and shadow to be used in the production of ceramic artworks. In addition, using low firing temperature encourages more artists to use this body. The soft-paste cellulose composite porcelain is composed of similar amount of high borax/calcia leadless frit and kaolin with 3% Vee gum T as a plasticizer. In order to increase workability and green strength, five volume units of soft-paste porcelain (SP) slip was mixed with one volume unit bleached bagasse pulp of sugar cane slip and then cellulose containing soft-paste porcelain (CSP) slip was made. The samples were formed by hand, dried and then fired at the optimum temperature of 1120 for 5 hours. Results showed that the SP sample became self-glazed after firing. Adding 20% paper pulp by 1.4 ⁄ density in volume to porcelain body slip (1.36 g cellulose fiber in 100 g SP) slightly increased transmission of light. Microstructure analysis showed a large amount of glass phase, which improved translucency of the bodies. Moreover, mullite needle shaped crystals were formed via reaction of clay and molten flux due to low melt viscosity. XRD results clearly showed that the fired soft-paste porcelain contained quartz, mullite, anorthite and albite in the fired state.

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含纤维素低温烧结软糊瓷的微观结构及半透明性研究

具有适当可加工性的半透明瓷器被认为有利于在陶瓷艺术品的生产中使用光影。此外，使用较低的烧制温度鼓励更多的艺术家使用这种身体。软浆状纤维素复合瓷是由等量的高硼砂/钙无铅玻璃料和高岭土组成，并以3%的Vee胶T为增塑剂。为了提高可加工性和生坯强度，将5体积单位的软浆瓷浆（SP）与1体积单位的甘蔗浆漂白蔗渣浆混合，制成了含纤维素的软浆陶瓷浆（CSP）。用手形成样品，干燥，然后在1120的最佳温度下烧制5小时。结果表明，烧结后的SP样品具有自上釉性。将体积密度为1.4⁄的20%纸浆添加到瓷身滑片中（100 g SP中含有1.36 g纤维素纤维），略微增加了透光率。微观结构分析表明，大量的玻璃相存在，提高了基体的透光性。此外，由于熔体粘度低，粘土和助熔剂反应形成了莫来石针状晶体。XRD结果清楚地表明，烧制的软质瓷在烧制状态下含有石英、莫来石、钙长石和钠长石。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.