Fabrication methods of micrometallic closed cellular materials

Satoshi Kishimoto; Norio Shinya

doi:10.1117/12.658483

31 March 2006 Fabrication methods of micrometallic closed cellular materials

Satoshi Kishimoto, Norio Shinya

Proceedings Volume 6172, Smart Structures and Materials 2006: Smart Electronics, MEMS, BioMEMS, and Nanotechnology; 617216 (2006) https://doi.org/10.1117/12.658483
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

A method to fabricate the metallic closed cellular material has been developed. Powder particles of polymer coated with a nickel-phosphorus alloy layer using electro-less plating were pressed into pellets and sintered at high temperatures by a furnace and a spark plasma sintering (SPS) system. A metallic closed cellular material containing different materials from that of cell walls was then fabricated. The mechanical properties of this material were measured. The results of the compressive tests show that this material has the different stress-strain curves among the specimens that have different thickness of the cell walls and the sintering temperatures of the specimens affect the compressive strength of each specimen. Also, it seems that the results of the compressive tests show that this material has high-energy absorption and Young's modulus of this material depends on the thickness of the cell walls and the sintering temperature. These obtained results emphasize that this material can be utilized as energy absorbing material and passive damping material.

Citation Download Citation

Satoshi Kishimoto and Norio Shinya "Fabrication methods of micrometallic closed cellular materials", Proc. SPIE 6172, Smart Structures and Materials 2006: Smart Electronics, MEMS, BioMEMS, and Nanotechnology, 617216 (31 March 2006); https://doi.org/10.1117/12.658483

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