STRUCTURAL AND ELECTRICAL STUDIES ON Al1-xMgx WITH DIFFERENT CONCENTRATIONS OF Mg

Abstract

Al 1-x Mg x with different concentrations of Mg was produced by spectroscopically technique from melting the ingredient in graphite crucibles sealed under vacuum in quartz ampoules. The samples have been characterized by X-ray studies and electrical measurements. A cubic phase of polycrystalline aluminum has been observed. There is no new phases appearing with different concentrations of Mg contents and quenching temperatures. The results show that the crystallinity (intensity of (200) plane) increases with both Mg concentration (<4.44 wt%) and quenching temperature (<898 K). The grain size of the obtained phase decreased with increasing the Mg contents. The resistivity is calculated for different concentrations of Mg at room temperature and found increasing with Mg contents. The grain size is found to be a parameter affecting the resistivity than the preferred orientation.