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Incorporating sugarcane bagasse ash into Al2O3 ceramic tapes
International Journal of Applied Ceramic Technology ( IF 1.8 ) Pub Date : 2020-10-15 , DOI: 10.1111/ijac.13640
Larissa B. Silva 1, 2 , Hugo P. A. Alves 1, 2 , Anna K. C. Freitas 1, 2 , Sheyla K. J. Marques 3 , Wilson Acchar 2, 4
Affiliation  

High‐temperature co‐fired ceramic (HTCC) technology aims to incorporate fluxing materials into ceramic tapes to decrease the sintering temperature. In this context, we incorporate waste from sugarcane bagasse ash (SCBA) into alumina (Al2O3) tapes. We report an experimental investigation of the structural, physical, mechanical, and dielectric properties of the Al2O3 tape with the addition of the SCBA waste. The tape casting technique prepared the ceramic tape. The materials under study were characterized by rheology, thermogravimetry, dilatometry, X‐ray diffraction, scanning electron microscopy, relative density, Vickers microhardness, mechanical resistance, and dielectric measurements. The dilatometry results confirm that the addition of the SCBA waste remarkably reduces the sintering temperature of the Al2O3 tape to 1200°C. The physical, mechanical, and dielectric properties are improved with the addition of the SCBA waste, which makes our discoveries attractive from an environmental and economic point of view. Besides, the stabilization and high dielectric constant of the Al2O3‐SCBA tape becomes a promising material for aircraft turbine applications.

中文翻译:

将甘蔗渣粉掺入Al2O3陶瓷带中

高温共烧陶瓷(HTCC)技术旨在将助熔剂材料并入陶瓷带中,以降低烧结温度。在这种情况下,我们将来自甘蔗渣粉(SCBA)的废物合并到氧化铝(Al 2 O 3)胶带中。我们报告了对Al 2 O 3的结构,物理,机械和介电性能的实验研究磁带以及SCBA废物。胶带流延技术制备了陶瓷胶带。所研究的材料通过流变学,热重分析,膨胀法,X射线衍射,扫描电子显微镜,相对密度,维氏显微硬度,机械电阻和介电常数进行表征。膨胀测量结果证实,添加SCBA废料可将Al 2 O 3带的烧结温度显着降低至1200 ° C。添加SCBA废料可改善物理,机械和介电性能,这使我们的发现成为可能。从环境和经济角度来看具有吸引力。此外,Al 2 O 3的稳定性和高介电常数‐SCBA胶带成为飞机涡轮机应用的有前途的材料。
更新日期:2020-12-10
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