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首页> 外文期刊>Materials and Manufacturing Processes >Optimization of the Performance of Porous Low-Carbon Steels by Means of an Evolution Strategy
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Optimization of the Performance of Porous Low-Carbon Steels by Means of an Evolution Strategy

机译：演化策略优化多孔低碳钢的性能

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摘要

Possibilities for manufacturing cellular metallic materials are reviewed. However, this study primarily concerns the role of a cell-wall structure in influencing the mechanical behavior of metallic foams. A porous low-carbon steel with a controlled porous structure is processed from spark plasma sintering of ferromagnetic metal segments with a special, elongated shape. The ferromagnetic metal segments are filled into a die-block and their orientation is settled by a static magnetic field. The cell-wall structures of the porous low-carbon steel can be modified in order to improve its performance because differences in the cell-wall structure substantially affect the mechanisms of deformation and failure under different types of loading. The optimal shape of the structure following the required macroscopic mechanical response is established by means of the search scheme of an evolution strategy.
机译：审查了制造蜂窝状金属材料的可能性。但是，这项研究主要涉及孔壁结构在影响金属泡沫力学性能方面的作用。具有受控多孔结构的多孔低碳钢，是通过对具有特殊细长形状的铁磁金属段进行火花等离子体烧结而制成的。将铁磁金属段填充到模块中，并通过静磁场确定其方向。可以对多孔低碳钢的孔壁结构进行修改，以改善其性能，因为孔壁结构的差异会显着影响不同载荷类型下的变形和破坏机理。通过演化策略的搜索方案来确定遵循所需宏观机械响应的结构的最佳形状。

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