3104铝合金的均匀化退火工艺
Homogenizing Annealing of 3104 Aluminum Alloy
摘 要
采用热分析仪、光学显微镜等研究了3104铝合金的铸态和不同工艺均匀化退火后的显微组织,为其制定了合理的均匀化退火工艺,利用扫描电镜及其附件确定了合金均匀化退火后组织中主要化合物的形貌及类型.结果表明:3104铝合金合适的均匀化退火工艺为590 ℃保温12 h;均匀化退火后,因合金成分的差异,形成了形貌各异、类型不同的金属间化合物,主要有(FeMn)Al6、MnAl6、(Al、Fe、Mn、Si)四元相、Mg2Si相、(Al、Mn、Si)三元相、Al8Mg5 、(Al、Mn、Mg、Fe)四元相等.
均匀化退火
显微组织
3104 aluminum alloy
homogenizing annealing
microstructure
Abstract
The microstructure of as-casted and homogenizing annealing with different parameters 3104 aluminum alloy were studied by means of thermal analysis and optical microscope,then homogenization annealing parameters were determined.The morphology and types of main compounds were studied by scanning electron microscope and its accessory.The results show that the reasonable homogenizing annealing parameters was 590 ℃ for 12 h,and various compounds appeared due to the difference of main alloy components after homogenizing annealing which mainly consisting of (FeMn)Al6,MnAl6,(Al,Fe,Mn,Si) quaternary phase,Mg2Si phase,(Al,Mn,Si) ternary phase,Al8Mg5,(Al,Mn,Mg,Fe) quaternary phase and so on.
中图分类号 TG166.3
所属栏目 试验研究
基金项目
收稿日期 2008/11/20
修改稿日期 2009/5/5
网络出版日期
作者单位点击查看
备注曹勇(1983-),男,江苏吴江人,硕士研究生.
引用该论文: CAO Yong,HUANG Guang-jie. Homogenizing Annealing of 3104 Aluminum Alloy[J]. Materials for mechancial engineering, 2010, 34(1): 9～12
曹勇,黄光杰. 3104铝合金的均匀化退火工艺[J]. 机械工程材料, 2010, 34(1): 9～12
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【12】TELESHOV V V.About computation of homogenization regimes for aluminum alloys[J].Metal Science and Heat Treatment,2007,49(5/6):320-324.
【13】MINODA T,YOSHIDA H.The influence of ingot homogenization on the microstructure of 3003 aluminum alloy extrusion[J].Journal of Japan Institute of Light Metals,1997,47(12):691-695.
【14】LI Y J,ARNBERG L.Quantitative study on the precipita-tion behavior of dispersoids in DC-cast AA3003 alloy during heating and homogenization[J].Acta Materialia,2003,51(12):3415-3428.
【15】SUN N Y,PATTERSON B R,SUNI J P,et al.Microstructural evolution in twin roll cast AA3105 during homogenization[J].Materials Science and Engineering A,2006,416(1/2):232-239.
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