Mater. Trans. 57 (2016) 99-102
Simulation of Effect of Loading Rate on Compression Properties in the Two-Dimensional Model of Aluminum Foam Sandwich Panels
Renjun Dou, Sawei Qiu and Yan Ju
This paper has been retracted from Mater. Trans. by the authors' request due to the following reason.
Firstly, we made a preliminary estimate on the density (ρ0) of AFS panels before the plastic wave because we did not fully understand the property of AFS panels, which made the calculation results according to the value of the density (ρ0) of AFS panels, that was wrong in the paper. For example, the locking density (ρ1) of AFS panels with relative density 0.3 in Table 2 were incorrect, according to the following formula:
Especially the further research results (unpublished) in the subsequent study have conflict with the above-mentioned results in the work. Secondly, with the increase of loading rate, the stress of bottom of AFS panels increases in the process of compression. However, the impact stress of loading surface is only analyzed and it is not accurate for the explanation of the mechanism for the stress of bottom of AFS panels. In addition, under the loading rate 0.01 m/s, the stress-strain curve of AFS panels are stated in the paper. However, the corresponding mechanism cannot explain the stress-strain curve of AFS panels under the loading rate 0.01 m/s. All of these could mislead the readers. At last, the withdrawal is meaningful for the preciseness of our work, and it is helpful for the subsequent research of AFS panels.
(Received -; Accepted -; Published 2016/09/25)
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