The influence of preheating temperature on the mechanical properties of AZ31 magnesium alloys after hot-rolling

被引：0
作者：
Janecek, M
Supík, V
Holländer, F
Wendt, J
机构：
[1] Charles Univ, Fac Math & Phys, Dept Met Phys, CZ-12116 Prague, Czech Republic
[2] Tech Univ Brandenburg, Dept Phys Met & Mat Technol, D-03010 Cottbus, Germany
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2005年 / 43卷 / 03期
关键词：
AZ31; alloy; hot-rolling; mechanical properties; microstructure; transmission electron microscopy;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sheets of magnesium alloys are prospective materials for the mass reduction in car manufacturing. Sheets of the wrought magnesium alloy AZ31 were produced using a hot-rolling mill. Mechanical properties of these sheets were investigated for various preheating temperatures of as-received extruded and cast materials. The optimum preheating temperature resulting in superior mechanical properties was identified. Transmission electron microscopy indicated the occurrence of discontinuous dynamic recrystallization during hot rolling of preheated material. The extruded alloy exhibited better mechanical properties and lower porosity than the cast alloy.
引用
收藏
页码：218 / 228
页数：11
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