废钛渣回收制备功能玻璃陶瓷Bi2O3对物理、结构、光学和辐射屏蔽性能的影响

IF 5.6 2区 材料科学 Q1 MATERIALS SCIENCE, CERAMICS
Samuel Leumas Otoo , James Ransford Dankwah , Estella Efiba Baffoe , Balkissa Sawadogo , Junguo Xu , Samuel Mungai Kinyanjui
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引用次数: 0

摘要

近几十年来,从工业废料中设计和开发具有环境可持续性的功能材料受到了广泛关注。本研究通过传统的熔体淬火技术,成功地开发了钛渣环保清洁玻璃陶瓷。研究了Bi2O3掺量为10%、20%和30%对玻璃陶瓷的密度、开孔率、吸水率、相组成、结构、微观结构、光学性能和辐射屏蔽性能的影响。结果表明:烧结后的玻璃陶瓷均含有透辉石、斜辉石或钛铝、蓝镍矿等晶相。Bi2O3的加入导致钛酸铋钙(CBT)的结晶,从而增加了玻璃陶瓷的密度,改善了微观结构,从而降低了开放孔隙率和吸水率。T6S1B3样品的带隙降低了18.13%,折射率提高了9.80%,介电常数提高了20.59%。在0.1 MeV下,T6S1B3的质量衰减系数为1.6798 cm2g-1,比T9S1高733.5%。同样,在1MeV下获得更高的HVL和MFP值,均为30.7%。因此,这为利用废钛渣开发具有有效修复电离辐射危险问题和具有良好非线性光学特性的玻璃陶瓷提供了一条途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recycling of waste titanium slag to functional glass ceramics; the effect of Bi2O3 on physical, structural, optical and radiation shielding properties
The design and development of functional materials from industrial waste materials for environmental sustainability has received critical attention in recent decades. This study successfully developed environmentally clean glass ceramics using titanium slag through the conventional melt quenching technique. The influence of the incorporation of Bi2O3 at 10, 20 and 30 % on density, open porosity, water absorption, phase composition, structure, microstructure, optical properties and radiation shielding properties of the glass ceramic were investigated. The results showed that all sintered glass ceramics contained crystalline phases such as diopside, clinopyroxene or titanian aluminian and rankinite. Incorporating Bi2O3 resulted in the crystallization of calcium bismuth titanate (CBT) which increased the density of the glass ceramics and improved the microstructure leading to reduced open porosity and water absorption. The T6S1B3 sample exhibited 18.13 % lower band gap, 9.80 % higher refractive index and 20.59 % higher dielectric constant. At 0.1 MeV, T6S1B3 recorded a mass attenuation coefficient of 1.6798 cm2g-1 which is 733.5 % higher than T9S1. Similarly, higher HVL and MFP values both at 30.7 % was obtained at 1MeV. Therefore, this presents a pathway to utilize waste titanium slag to develop glass ceramics with characteristics that are effective in remediating hazardous concerns with ionizing radiations and possess good non-linear optical properties.
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来源期刊
Ceramics International
Ceramics International 工程技术-材料科学:硅酸盐
CiteScore
9.40
自引率
15.40%
发文量
4558
审稿时长
25 days
期刊介绍: Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.
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