Effect of Homogenizing/Hot Rolling Process on Microstructure and Properties of 3104 Aluminium Alloy Sheet
The microstructure,phase analysis and properties of 3104 aluminium alloy sheets produced by different homogenizing/hot rolling processes were observed by scanning electron microscope,X-ray diffraction analysis,mechanical properties test,ear test and etc.The results show that in the homogenized ingot at 600℃,there is less AlMnSi precipitation in the matrix.During the subsequent cooling and insulation at 510℃,more sub-micron AlMnSi phases are precipitated in the matrix.The quantity and morphology of AlMnSi precipitated phase do not affect the recrystallization behavior of the hot rolled sheet during the subsequent processing.It also does not significantly affect the mechanical properties,earing ratio and other indicators of the finished sheet,indicating that the high temperature rolling process can improve the production efficiency,and meet the requirements of the material's organizational properties at the same time,which is a more advanced production process.
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