Nonlinear Internal Friction Character of Foamed Aluminum
HAN Fu-sheng, ZHU Zhen-gang, WANG Shan-ying, LIU Chang-song
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031
Nonlinear Internal Friction Character of Foamed Aluminum
HAN Fu-sheng;ZHU Zhen-gang;WANG Shan-ying;LIU Chang-song
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031
关键词 :
62.40.+i ,
81.40.Jj ,
61.72.Hh
Abstract : An experiment has been carried out to investigate the damping behavior of foamed aluminum. It was found that foamed aluminum has a significant nonlinear internal friction character, i.e., its damping capacity is amplitude-dependent, and this character tends to be more pronounced with decreasing the density and pore size.
Key words :
62.40.+i
81.40.Jj
61.72.Hh
出版日期: 1998-01-01
:
62.40.+i
(Anelasticity, internal friction, stress relaxation, and mechanical resonances)
81.40.Jj
(Elasticity and anelasticity, stress-strain relations)
61.72.Hh
(Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, EPR, NMR, etc.))
引用本文:
HAN Fu-sheng;ZHU Zhen-gang;WANG Shan-ying;LIU Chang-song. Nonlinear Internal Friction Character of Foamed Aluminum[J]. 中国物理快报, 1998, 15(1): 52-53.
HAN Fu-sheng, ZHU Zhen-gang, WANG Shan-ying, LIU Chang-song. Nonlinear Internal Friction Character of Foamed Aluminum. Chin. Phys. Lett., 1998, 15(1): 52-53.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1998/V15/I1/52
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