Preparation, Microstructure, and Mechanical Properties of Spinel-Corundum-Sialon Composite Materials from Waste Fly Ash and Aluminum Dross
Joint Authors
Huang, Zhaohui
Huang, Juntong
Yang, Jingzhou
Huang, Saifang
Xu, Youguo
Chen, Kai
Yi, Shuai
Zhang, Shaowei
Liu, Yangai
Fang, Minghao
Source
Advances in Materials Science and Engineering
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-01-30
Country of Publication
Egypt
No. of Pages
10
Abstract EN
The solid wastes fly ash and aluminum dross were used to prepare the low cost, high added-value product spinel-corundum-Sialon with an in situ aluminothermic reduction-nitridation reaction.
The effects of varying raw material components and heating temperatures on the phase compositions, microstructure, bulk density, apparent porosity, and bending strength of products were investigated.
The presence of hazardous or impure elements in the products was also evaluated.
The sintered materials mainly consisted of micro-/nanosized plate corundum, octahedral spinel, and hexagonal columnar β-Sialon.
The bulk density and bending strength of product samples initially increased and then decreased as Al content increased.
Product samples with an Al content exceeding 10 mass% that were sintered at 1450°C exhibited the highest bending strength (288 MPa), the lowest apparent porosity (1.24%), and extremely low linear shrinkage (0.67%).
The main impurity present was Fe5Si3 with hazardous elements P, Cr, Mn, and Ni doping.
This work could provide a new method to reduce environmental pollution and manufacture low cost high performance refractory materials using the abundant waste materials fly ash and aluminum dross.
American Psychological Association (APA)
Huang, Juntong& Fang, Minghao& Huang, Zhaohui& Liu, Yangai& Yang, Jingzhou& Huang, Saifang…[et al.]. 2014. Preparation, Microstructure, and Mechanical Properties of Spinel-Corundum-Sialon Composite Materials from Waste Fly Ash and Aluminum Dross. Advances in Materials Science and Engineering،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1034310
Modern Language Association (MLA)
Huang, Juntong…[et al.]. Preparation, Microstructure, and Mechanical Properties of Spinel-Corundum-Sialon Composite Materials from Waste Fly Ash and Aluminum Dross. Advances in Materials Science and Engineering No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-1034310
American Medical Association (AMA)
Huang, Juntong& Fang, Minghao& Huang, Zhaohui& Liu, Yangai& Yang, Jingzhou& Huang, Saifang…[et al.]. Preparation, Microstructure, and Mechanical Properties of Spinel-Corundum-Sialon Composite Materials from Waste Fly Ash and Aluminum Dross. Advances in Materials Science and Engineering. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1034310
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1034310