Paper Title:
Investigation on Aging Behaviour of Al2O3-Sio2(Sf) / AZ91D Composites
  Abstract

The aging hardening curves of Al2O3-SiO2(sf) / AZ91D composites (MMCs) with different volume fraction were got, and the aging behaviors of the composites were investigated with Vickers hardness measurement, differential scanning calorimetry (DSC), transmission electron microscope (TEM) after solution treated at 415°C for 10h , and water quenched at room temperature, afterwards aged at 175°C for 0 -38h with a 2h interval. The result shows that there are three aging peaks at aging hardening curve of the composites, and that four types of β-Mg17Al12 precipitates were responsible for the aging peaks. Volume fraction of the composite affects effect of aging hardening, but does not change trend of the aging hardening curve.

  Info
Periodical
Advanced Materials Research (Volumes 194-196)
Edited by
Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang
Pages
355-358
DOI
10.4028/www.scientific.net/AMR.194-196.355
Citation
G. J. Liu, W. F. Li, J. H. Peng, "Investigation on Aging Behaviour of Al2O3-Sio2(Sf) / AZ91D Composites", Advanced Materials Research, Vols. 194-196, pp. 355-358, 2011
Online since
February 2011
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$32.00
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