含硅铁-铝合金的微观组织和阻尼性能
Effect of Si Content on Microstructure and Damping Property of Fe-6Al Besed Alloy
摘 要
制备了硅含量分别为0%,0.2%,0.5%,0.9%和1.2%的五种Fe-6Al合金,并研究了这五种合金在淬火状态下的微观组织特征和阻尼性能,分析了硅含量对铁-铝合金阻尼性能的影响.结果表明:当硅含量为0.5％左右时,Fe-6Al减振合金具有适当的晶粒尺寸,阻尼性能最好.
对数衰减率
铁-铝阻尼合金
damping capacity
logarithmic decrement
Fe-Al damping alloy
Abstract
Five kinds of Fe-6Al alloys with different Si contents were experimentally made.The internal friction and microstructure of the alloys under water quenched conditions were investigated.An internal friction peak was observed in the present alloys.The internal friction peak reach the highest value when the Si content increased to 0.5%,which is found to be directly attributed to the proper crystal grain from the aluminium alloy matrix.
中图分类号 TG113.22 TG115.21
所属栏目
基金项目
收稿日期 2005/10/11
修改稿日期 2006/1/10
网络出版日期
作者单位点击查看
备注于学勇(1975-),男,辽宁沈阳人,讲师,硕士.
引用该论文: YU Xue-yong,CHENG Feng-jun,DONG Shou-jun. Effect of Si Content on Microstructure and Damping Property of Fe-6Al Besed Alloy[J]. Materials for mechancial engineering, 2006, 30(12): 51～52
于学勇,程凤军,董守军. 含硅铁-铝合金的微观组织和阻尼性能[J]. 机械工程材料, 2006, 30(12): 51～52
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参考文献
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【2】Pulno-sagradi D.Damping capacity of Fe-Al-X high-damping alloys and its dependence on magnetic domain structure[J].Scripa Material,1998,39(2):131-138.
【3】李宁,胥永刚,于学勇.Fe-13Cr-2.5Mo阻尼合金的热处理工艺[J].机械工程材料,2004,28(11):4-7.
【4】王卫国,周帮新,郑忠民.Fe-Cr-Al-Si合金阻尼性能的研究[J].金属学报,1998,34(10):1040-1042.
【5】张忠明,王锦程.ZA27-4%Si合金的阻尼性能及阻尼机理[J].中国有色金属学报,2003,13(5):1175-1179.
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