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Materials 2017, 10(2), 98; doi:10.3390/ma10020098

Compressive Properties of Open-Cell Al Hybrid Foams at Different Temperatures

1
Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, China
2
Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun 130022, China
*
Author to whom correspondence should be addressed.
Academic Editor: Dirk Lehmhus
Received: 12 December 2016 / Revised: 16 January 2017 / Accepted: 17 January 2017 / Published: 24 January 2017
(This article belongs to the Section Porous Materials)
View Full-Text   |   Download PDF [19122 KB, uploaded 24 January 2017]   |  

Abstract

Hybrid Ni/Al foams were fabricated by depositing electroless Ni–P (EN) coatings on open-cell Al foam substrate to obtain enhanced mechanical properties. The microstructure, chemical components and phases of the hybrid foams were observed and analyzed by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD), respectively. The mechanical properties of the foams were studied by compressive tests at different temperatures. The experiment results show that the coating is mainly composed of Ni and P elements. There was neither defect at the interface nor crack in the coatings, indicating that the EN coatings had fine adhesion to the Al substrate. The compressive strengths and energy absorption capacities of the as-received foam and hybrid foams decrease with the increasing testing temperatures, but the hybrid foams exhibit a lower decrement rate than the as-received foam. This might be attributed to the different failure mechanisms at different testing temperatures, which is conformed by fractography observation. View Full-Text
Keywords: hybrid foams; electroless plating; compressive properties; elevated temperature hybrid foams; electroless plating; compressive properties; elevated temperature
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Liu, J.; Si, F.; Zhu, X.; Liu, Y.; Zhang, J.; Liu, Y.; Zhang, C. Compressive Properties of Open-Cell Al Hybrid Foams at Different Temperatures. Materials 2017, 10, 98.

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