材料工程Issue(6)：17-22,6.
Al含量及均匀化处理对AZ系列镁合金组织的影响
Effects of Al Content and Homogenization on Microstructure of the AZ Series Alloys
摘要
Abstract
In order to get extruded magnesium alloy with uniform microstructure, it is important to understand the effects of the content of alloying element and the homogenization annealing on the deformed microstructure. The AZ10, AZ31, AZ61 and AZ91 magnesium alloys were deformed with simulated extrusion system on Gleeble-1500D simulator. The results show that with homogenization annealing of 400℃/12h, the AZ10 and AZ31 alloys are in single solid solution phase, the AZ61 alloy has fine β phase particles inside the grain, while the AZ91 alloy has coarse β phases both inside the grains and on the grain boundary. After the extrusion with temperature of 390℃ and extrusion ratio of 20.3, the extruded alloy with homogenization annealing before extrusion has more uniform grains in size, while the extruded alloy without previously homogenization annealing has non-uniform structure consisting deformed strips and fine grains.关键词
镁合金/均匀化退火/挤压/显微组织/均匀性Key words
magnesium alloy/ homogenization annealing/ extrusion/ microstructure/ uniformity分类
矿业与冶金引用本文复制引用
彭建,吕滨江,朱熹,潘复生..Al含量及均匀化处理对AZ系列镁合金组织的影响[J].材料工程,2011,(6):17-22,6.基金项目
国家重点基础研究发展规划项目(973计划)(2007CB613702) （973计划）
重庆市科委科技计划攻关重点项目(CSTC2009AB4134) （CSTC2009AB4134）
重庆市科委自然科学基金(CSTS2010BB4068) （CSTS2010BB4068）
