Paper Title:
Characterization of Mg-Al Spinel Synthesized with Alkali Corrosion Slag from Aluminum Profile Factory
  Abstract

Mg-Al spinel has been synthesized by using alkali corrosion slag from aluminum profile factory, decomposed magnesite and used MgO-C brick as the main raw materials. The influence of decomposed magnesite and used MgO-C brick powder after calcinations process on crystalline constitution and micro-morphology of synthesized Mg-Al spinel specimens are discussed. The synthesized specimens are characterized by XRD and SEM, and the crystallinity of crystalline phase is calculated by X' Pert plus software. The experimental result shows that the crystalline phase periclase increases with the increasing of magnesia generated by used MgO-C brick powder. The crystallinity of crystalline phase is maximum when the addition of used MgO-C brick powder after calcined at 800°C is 30wt%. Magnesia generated by sintering decomposed magnesite powder at 700°C showed more effective than magnesia generated by used MgO-C brick powder to react with impurity in alkaline corrosion slag.

  Info
Periodical
Chapter
Chapter 8: Frontiers of Construction Information
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
5054-5057
DOI
10.4028/www.scientific.net/AMM.71-78.5054
Citation
X. D. Luo, D. L. Qu, G. D. Zhang, H. X. Liu, "Characterization of Mg-Al Spinel Synthesized with Alkali Corrosion Slag from Aluminum Profile Factory", Applied Mechanics and Materials, Vols. 71-78, pp. 5054-5057, 2011
Online since
July 2011
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