Paper Title:
Observation of As-Cast Microstructure Feature of Al Sheet Used for Can Manufacturing with High Forming Properties
  Abstract

The as-cast microstructure feature of Al sheet with high forming properties used for pressure can manufacturing pre-treated by different melt-treatment technique was observed and analyzed by SEM, EDAX, TEM and selected area electron diffraction (SAED), etc. It was found that the oxide inclusions in Al sheet were mainly γ-Al2O3, and the Fe-rich impurity phases in the sheet mainly Al3Fe, T1(Al12Fe3Si) or (AlFeSiRE). The crystal structure of (AlFeSiRE) phase was too complicated to be determined. The effect of melt-treatment technique on the as-cast microstructure of the sheet was remarkable. There were a number of oxide inclusions in the Al sheet before or after conventional melt-treatment, which distributed non-uniformly and gathered together in larger block shape with the size of about 10-40μm. The Fe-rich impurity phases in the sheet were mainly Al3Fe and T1, and a few of the meta-stable phase Al6Fe existed in the sheet. These Fe-rich impurity phases appeared in a coarse, long needle/flake or skeletal form, and were easily to gather together with oxide inclusions. When the Al sheet was treated by high-efficient melt-treatment, the amout of oxide inclusions was decreased obviously, and these inclusions distributed more uniformly in the tiny granular form (about or less than 4μm). The Fe-rich impurity phases were mainly (AlFeSiRE), and a small amount of Al3Fe phases also existed in the material. The (AlFeSiRE) phases distributed uniformly along grain boundary in tiny group/sphere or short stick form. No congregation of Fe-rich phases with oxide inclusions was found in the material.

  Info
Periodical
Materials Science Forum (Volumes 546-549)
Edited by
Yafang Han et al.
Pages
983-988
DOI
10.4028/www.scientific.net/MSF.546-549.983
Citation
G. S. Fu, H. L. Chen, W. Z. Chen, K. W. Qian, "Observation of As-Cast Microstructure Feature of Al Sheet Used for Can Manufacturing with High Forming Properties", Materials Science Forum, Vols. 546-549, pp. 983-988, 2007
Online since
May 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: Mu Qin Li, Da Shan Shang, Chen Ma, Shi Qin Yang
Abstract:Bioactive composite coatings containing sub-layer and working-layer with different ingredients were prepared using subsonic thermal spraying...
1619
Authors: De Liang Ren, Fu Ren Xiao, P. Tian, X. Wang, L.Y. Zhang, Bo Liao
Abstract:With the development of high toughness pipeline, it is necessary to develop new welding wires for high-efficiency submerged-arc welding, to...
385
Authors: Qiang Shen, Chang Lian Chen, Fei Chen, Qi Wen Liu, Lian Meng Zhang
Abstract:Porous calcia stabilized zirconia ceramics (CSZC) with closed pores were presurelessly sintered by adding different contents of zirconia...
435
Authors: Wojciech Wajda, Henryk Paul
Abstract:The paper describes the mechanism of deformation at 77 K of pure aluminum bicrystals of different grain orientations. The following...
108
Authors: Shao Qun Jiang, Gang Wang, Zong Shu Li, Ze Hua Wang, Ze Hua Zhou, Jiang Bo Cheng
Chapter 6: Chemical Materials and Technologies
Abstract:The La0.7M0.3MnO3 (M=Ca, Sr) were synthesized by combining sol-gel technique and solid state sintering...
402