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Improvement on compressive properties of lotus-type porous copper by a nickel coating on pore walls
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作者 Hao Du Chuanyu Cui +2 位作者 housheng liu Guihong Song Tianying Xiong 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2020年第2期114-122,共9页
The aim of this work is to understand the effect of a thin coating on the compressive properties of the porous metal.In our work,the uniaxial compressive behavior and the energy absorption properties of the lotus-type... The aim of this work is to understand the effect of a thin coating on the compressive properties of the porous metal.In our work,the uniaxial compressive behavior and the energy absorption properties of the lotus-type porous copper deposited with Ni coatings with thickness from 3.9 to 4.8μm on pore walls were investigated.It is found that the Ni coating on pore walls shows a clear enhancement effect on compressive properties of the lotus-type porous copper,in which the specific yield strength and the energy absorption per unit mass at densification strain increase from 5.27 to 7.31 MPa cm3 g-1 and from 11.50 to 18.21 J g-1 with the Ni coating,respectively.Furthermore,the enhancement appears to be insensitive to the coating thickness.It is considered that the resistance of the interface between the nickel coating and the pore walls to the dislocation slip plays an important role in the improvement on compressive properties of the lotus-type porous copper. 展开更多
关键词 Lotus-type POROUS COPPER Coating PORE walls COMPRESSIVE properties
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