Paper Title:
Effects of Aluminum Content on the As-Cast Microstructure and Mechanical Properties of Mg-xAl-0.7Si Based Alloys
  Abstract

The effects of the Al content on the as-cast microstructure and mechanical properties of Mg-xAl-0.7Si based magnesium alloys which contained 1%Zn, 0.25%Mn, 0.4%Sb and 0.25%RE were investigated by optical microscopy(OM), scanning electron microscopy(SEM), X-ray diffraction(XRD) analysis and tensile testing. The results indicated that the effects of the Al content from 6% to 8% on the alloy phase types of the experimental alloys were not obvious, and the as-cast microstructure of the experimental alloys with different Al content were composed mainly of the α-Mg matrix, Mg17Al12 phase, Mg2Si phase and Mg3Sb2 phase. The Chinese script morphology of the Mg2Si phase was very obvious in the experimental alloy with 6%Al. With the increase of Al content from 6% to 8%, the yield strength of the experimental Mg-xA1-0.7Si based alloys at room temperature increased, but the yield strength of the experimental Mg-xA1-0.7Si based alloys at 150 °C decreased.

  Info
Periodical
Materials Science Forum (Volumes 546-549)
Edited by
Yafang Han et al.
Pages
191-194
DOI
10.4028/www.scientific.net/MSF.546-549.191
Citation
M. B. Yang, F. S. Pan, L. Bai, R. J. Cheng, "Effects of Aluminum Content on the As-Cast Microstructure and Mechanical Properties of Mg-xAl-0.7Si Based Alloys", Materials Science Forum, Vols. 546-549, pp. 191-194, 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: Ming Bo Yang, Fu Sheng Pan, Jing Zhang, Jin Zhang
Abstract:The current status of research and application in the AZ(Mg-Al-Zn), AS(Mg-Al-Si), AE(Mg-Al-RE), AX(Mg-Al-Ca), ACM or MRI(Mg-Al-Ca-RE)and...
923
Authors: Jeong Min Kim, Bong Koo Park, Joong Hwan Jun, Ki Tae Kim, Woon Jae Jung
Abstract:Small amounts of minor alloying elements such as RE and Sr were added to Mg- 8wt%Al-5wt%Zn (AZ91D+4%Zn), and their effects on the...
374
Authors: E.P. Masuku, Gonasagren Govender, L. Ivanchev, Heinrich Möller
Abstract:Rheocasting of alloys A206 and A201 was investigated in this study. Conical bars with different silver contents were produced using CSIR...
151
Authors: Yong Xue, Zhi Min Zhang, Li Hui Lang, Li Li
Abstract:In the present paper a research has been made on the effect of aging on the microstructure and mechanical properties of AZ80 and ZK60 wrought...
560
Authors: Xiao Ping Luo, Lan Ting Xia, Ming Gang Zhang
Abstract:The effect of Cd and Sb addition on the microstructural and mechanical properties of as-cast AZ31 alloys was investigated and compared. The...
197