The Effect of Aluminium Content on the Mechanical Properties and Microstructure of Die Cast Binary Magnesium-Aluminium Alloys
The Effect of Aluminium Content on the Mechanical Properties and Microstructure of Die Cast Binary Magnesium-Aluminium Alloys
复制标题
铝含量对压铸二元镁铝合金力学性能和显微组织的影响
DOI：
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
G. Dunlop
中科院分区：
文献类型：
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作者：
M. Dargusch;K. Pettersen;K. Nogita;M. Nave;G. Dunlop
本文研究了高压压铸二元Mg-Al合金的力学性能与显微组织的关系。采用高压压铸法生产的铸态试棒进行了拉伸试验，以确定采用该技术生产的铸件的性能。已经表明，增加铝含量导致这些合金的屈服强度增加和延展性降低。更高的铝含量也会导致150摄氏度下蠕变速率的降低。还表明，铝含量的增加导致显微组织中共晶Mg 17 Al 12的体积分数增加。
This paper investigates the relationship between mechanical properties and microstructure in high pressure die cast binary Mg-Al alloys. As-cast test bars produced using high pressure die casting have been tested in tension in order to determine the properties for castings produced using this technique. It has been shown that increasing aluminium levels results in increases in yield strength and a decrease in ductility for these alloys. Higher aluminium levels also result in a decrease in creep rate at 150 degrees C. It has also been shown that an increase in aluminium levels results in an increase in the volume fraction of eutectic Mg17Al12 in the microstructure.