摘要
研究了合金元素Sn对AM60镁合金显微组织和力学性能的影响。结果表明,在AM60镁合金中加入适量Sn后能有效改善合金的铸态组织,使粗大的树枝晶变得细小、弥散。在显微组织中出现了弥散分布的Mg2Sn增强颗粒,由于该相熔点高、硬度高和热稳定性好,可对基体起到有效强化作用,使得合金的力学性能得到改善。当Sn加入量过多时,合金的力学性能则会下降。
The effects of Sn on the microstructure and mechanical properties of AM60 alloy were studied.The results show that adding proper content of Sn to AM60 alloy can modify the microstructure of AM60 alloy and cause the formation of Mg2Sn.The mechanical properties increase due to the high hardness and melting point as well as high thermal stability of Mg2Sn.However,the excessive Sn addition can lead to the decrease of the mechanical properties of AM60 alloy.
出处
《热加工工艺》
CSCD
北大核心
2012年第2期28-29,共2页
Hot Working Technology
基金
江西省教育厅项目(GJJ11094)
关键词
SN
镁合金
显微组织
力学性能
Sn
magnesium alloy
microstructure
mechanical property
