Primary Investigation on an Iron Foam Sandwich Structure
作者： H. B. Qing , P. S. Liu , X. B. Xu
DOI: 10.1007/S12540-020-00830-6
关键词: Sintering 、 Metal foam 、 Polymer 、 Materials science 、 Yield (engineering) 、 Composite material 、 Thermal diffusivity 、 Porosity 、 Core (manufacturing) 、 Ultimate tensile strength 、 Materials Chemistry 、 Mechanics of Materials 、 Condensed matter physics 、 Metals and Alloys
摘要: Firstly, the slurry coating process was carried out for polymer foam, and then coated foam sintered at 1160–1400 °C to yield a reticular iron with pore size of 0.5–2.0 mm porosity 75%–95%. After this, an sandwich structure further obtained by thermal diffusion combination stainless steel sheet treated surface activation. The bonding strength metal face-sheet porous core examined testing three samples from sintering 1300 °C two 1160 °C. results show that is well metallurgically bonded sample 2 h can not 1160 °C same period. analysis reveals vacuum degree present system (i.e., pressure room temperature less than 5 × 10−2 Pa, maximum may be up 20–40 Pa during high sintering) prevent oxidation in heat treatment. face-sheet/foam-core state investigated, found higher tensile failure itself.
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