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Uniaxial Compression Behavior of Ni-Open-Cell Structure Depending on the Electroforming Mass and Thickness | ||
| Iranian Journal of Materials Forming | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 29 آذر 1404 | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijmf.2025.54398.1352 | ||
| نویسندگان | ||
| seyed mohammad Hossein Mirbagheri* 1؛ Javad - Arta2؛ Behrad Yaghobzadeh3؛ salar Rohani Nejad4 | ||
| 1Material and metallurgical engineering Department, Amirkabir university of technology | ||
| 2Rahyaft Advanced Sciences & Technologies knowledge-based company, Tehran. | ||
| 3Materials and metallurgical engineering Department | ||
| 4Materials and metallurgical engineering department, Amirkabir University. | ||
| چکیده | ||
| In this investigation, a series of nickel open-cell structures with cubic geometry were fabricated by electroforming onto stereolithography (SLA) resin 3D-printed templates. The thickness of the electroformed Ni foams was controlled at constant voltage for two days in a warm nickel sulfamate bath. Ni open-cell samples with different thicknesses and masses were then subjected to uniaxial compression, and their deformation behavior was analyzed and modeled using load–displacement curves. The results show that the mass and apparent density of the Ni open-cell samples have a linear relationship with electroforming time at 6 PPI, unlike the thickness. However, the first maximum compressive strength of the samples, measured according to ISO 13314, does not exhibit a linear dependence on thickness. In this work, Ni open-cell foams were successfully fabricated by warm electroforming under controlled temperature and voltage, achieving densities below 0.93 g/cm³, compressive strengths above 7.50 MPa, and energy absorption values greater than 4.90 J/cm³. These outstanding mechanical properties, particularly the strength-to-density and energy-absorption-to-density ratios at 6 PPI. demonstrate significant potential for advancing the production of nickel open-cell foam | ||
| کلیدواژهها | ||
| Open-cell structure؛ Energy absorption؛ Electroforming؛ Compression test؛ Thickness. Nickel | ||
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