Paper Title:
Investigation on Purification and Degassing of TiB2/Al Composite Fabricated by LSM Method
  Abstract

In the present paper, TiB2/Al composite with 5% volume fraction of TiB2 was fabricated by LSM method. The effects of purification and degassing methods on TiB2/Al composite were examined by means of X-ray diffraction (XRD) and image analysis. Hydrogen contents in the molten composites were detected and compared among flux, inert gas and vacuum purification processes. The experimental results indicate that under general cast condition a majority of the TiB2 particles distribute on grain boundary, and only a few particles disperse within grains. The flux and vacuum purifications have no virtual impact on the distribution of TiB2 and the fraction of TiB2 remains the same after purification. However, degassing with inert gas will be detrimental; the TiB2 particles will be separated and removed from the matrix. The hydrogen contents for flux, inert gas and vacuum processes are 0.15ml/100g/Al, 0.12ml/100g/Al and 0.12ml/100g/Al respectively.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
3051-3054
DOI
10.4028/www.scientific.net/KEM.353-358.3051
Citation
H. Gu, Y. Z. Zou, Z. B. Xu, J. M. Zeng, "Investigation on Purification and Degassing of TiB2/Al Composite Fabricated by LSM Method", Key Engineering Materials, Vols. 353-358, pp. 3051-3054, 2007
Online since
September 2007
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Zheng Bin Xu, Yong Zhi Zou, Hong Gu, Jian Min Zeng
Abstract:In this paper, a new low-pressure die-casting with degassing function, casting under adjusted pressure (CAP), is proposed. The working...
3059
Authors: Yan Liu, Bao De Sun, Jun Wang, Yong Bing Dai
Abstract:A comprehensive introduction of current aluminum refining technology is reviewed in this work especially the effects of chlorine on refining...
1404
Authors: Zhong Yun Fan, Yu Bo Zuo, Bo Jiang
Chapter 3: Innovations and Advances in Processing Technology
Abstract:Melt quality is crucial for both continuous and shape casting of light alloys. Gas, oxides and other inclusions in the melt usually...
141
Authors: Qin You Han
Chapter 1: Al Alloys
Abstract:This article discusses research on using power ultrasound for degassing of molten aluminum alloys. At least three types of technique have...
155