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铁磁性形状记忆合金Ni_(50)Ga_(27)Fe_(17)Co_6的阻尼性能 被引量:7

Damping Capacity of Ni_(50)Ga_(27)Fe_(17)Co_6 Ferromagnetic Shape Memory Alloy
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摘要 采用低频扭摆仪研究了铁磁性形状记忆合金Ni_(50)Ga_(27)Fe_(17)Co_6的阻尼性能与应变振幅、频率及温度的关系。结果表明:当应变振幅小于7.5×10^(-5)时,Ni_(50)Ga_(27)Fe_(17)Co_6合金的阻尼性能主要取决于频率,当应变振幅大于7.5×10^(-5)时,其阻尼性能主要取决于应变振幅;当该合金处于马氏体相和奥氏体相共存时具有高阻尼性能,当应变振幅为5×10^(-5),频率为0.1 Hz时,合金最大阻尼值为0.11。 The correlations between damping capacity and strain amplitude, frequency and temperature of the Ni50Ga27Fe17Co6 ferromagnetic shape memory alloy (FSMA) were investigated using low frequency torsion pendulum. The results show that when the strain amplitude was smaller than 7. 5X 10-s the damping capacity of the Ni50Ga27Fe17Co6 alloy was detexmined by frequency, when the strain amplitude was larger than 7. 5×10-5 it was determined by strain amplitudc The prepared alloy had high damping capacity with a maximum value of 0. 11 as the two phases of marternsite and austenite coexisting with the strain complitude of 5 ×10-5 and the frequency of 0. 1 Hz.
机构地区 南京工业大学
出处 《机械工程材料》 CAS CSCD 北大核心 2009年第3期50-52,100,共4页 Materials For Mechanical Engineering
关键词 铁磁性形状记忆合金 马氏体相变 阻尼性能 ferromagnetic shape memory alloy martensitic transformation damping capacity
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参考文献11

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二级参考文献3

共引文献27

同被引文献47

  • 1石志强,李世春,刘宇慧.热循环频率对铸态Zn-Al合金相变超塑性的影响[J].石油大学学报(自然科学版),2004,28(3):69-71. 被引量:4
  • 2郑红星,刘剑,夏明许,李建国.Ni-Fe-Ga磁致形状记忆合金中间马氏体相变[J].物理学报,2005,54(4):1719-1721. 被引量:9
  • 3陶斌武,李松梅,刘建华,李佳峰,史俊秀.NiTiNb形状记忆合金管接头的耐蚀性能[J].金属学报,2006,42(1):99-102. 被引量:5
  • 4董守军,李宁,胥永刚.Si元素对Fe-Al基阻尼合金微观组织和内耗性能的影响[J].热加工工艺,2006,35(4):31-32. 被引量:1
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  • 10WUTTIG M, LI J, CRACIUNESCU C. A new ferromagnetic shape memory alloy system[J]. Scripta Materialia, 2001,44: 2393-2397.

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