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Uniaxial Compression Behavior of Ni-Open-Cell Structure Depending on the Electroforming Mass and Thickness | ||
| Iranian Journal of Materials Forming | ||
| دوره 13، شماره 1، 2026، صفحه 59-70 اصل مقاله (2.43 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijmf.2025.54398.1352 | ||
| نویسندگان | ||
| Javad Arta1؛ Behrad Yaghobzadeh2؛ Salar Rohani Nejad1؛ Seyed Mohammad Hossein Mirbagheri* 2 | ||
| 1Expert Engineering, Rahyaft Advanced Sciences & Technologies knowledge-based company, Tehran, Iran | ||
| 2Material Science and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran | ||
| 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 under constant voltage conditions for two days in a warm nickel sulfamate bath. Ni open-cell samples with varying thicknesses and masses were subsequently subjected to uniaxial compression tests, 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 exhibit a linear relationship with electroforming time at 6 PPI, unlike the Ni thickness. However, the first maximum compressive strength of the samples, measured according to ISO 13314, does not show 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 exceeding 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 foams. | ||
| کلیدواژهها | ||
| Open-cell structure؛ Energy absorption؛ Electroforming؛ Compression test؛ Nickel | ||
| مراجع | ||
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