Paper Title:
Preparation and Heat Treatment of High Purity Al(OH)3 and Sr(OH)2 Composite Powder
  Abstract

The activated Al-Sr alloy powder hydrolyzed in pure water to prepare Al(OH)3 and Sr(OH)2 composite powder and had been treated at the temperature of 700°C. The structure, properties and heat treatment of composite powder were investigated by XRD, SEM, BET, TG-DTG. The experimental results showed that the hydrolysate of Al-Sr alloy powder is the composite powder of Al(OH)3 and Sr(OH)2 by means of hydrolyzation reaction. The micrograph of the composite powder is piled up by many sheet powders of 1-3μm. The specific surface area is great, up to 45.2 m2/g. The experimental results also showed that, the crystalline water was dehydrated at 70-190°C and Sr(OH)2 and Al(OH)3 decomposed at 190-650°C. Their phase, micrograph and the surface area changed greatly after heat treatment at the temperature of 700°C for 1 h.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
1709-1711
DOI
10.4028/www.scientific.net/KEM.368-372.1709
Citation
J. Hu, X. Q. Zhu, K. J. Wang, J. L. Liu, J. L. Sun, "Preparation and Heat Treatment of High Purity Al(OH)3 and Sr(OH)2 Composite Powder", Key Engineering Materials, Vols. 368-372, pp. 1709-1711, 2008
Online since
February 2008
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$32.00
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