3Dプリンティング技術により積層造形されたアルミ合金ラティス構造の圧縮特性に関する研究

DOI Web Site Web Site 被引用文献3件 参考文献21件 オープンアクセス

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タイトル別名
  • Study on Compressive Property of Aluminum Alloy Lattice Structure Additively Manufactured by 3D Printing Technology
  • 3Dプリンティング ギジュツ ニ ヨリ セキソウ ゾウケイ サレタ アルミ ゴウキン ラティス コウゾウ ノ アッシュク トクセイ ニ カンスル ケンキュウ

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抄録

<p>In order to discuss the quality assurance of additively manufactured lattice structure made by aluminum alloy (AlSi10Mg) using 3D printing technology or selective laser sintering technique, compression test, micro-CT imaging and finite element analysis were carried out. The specimens were manufactured by 2 printing service companies with different expertise, which led to the choice of different process parameters such as the building direction, support structure, powder bed temperature and laser scanning speed. The largely scattered compressive peak loads were in good linear positive correlation with the weight, which is the easiest and convenient index for the quality assurance. On the other hand, the apparent density was almost the same. The reason why the weight of the products was largely scattered was investigated by micro-CT image analysis and finite element analysis. Also by comparison with the CAD data, the influence of manufacturer-dependent process parameters on the strength was discussed.</p>

収録刊行物

  • 材料

    材料 68 (4), 351-357, 2019-04-15

    公益社団法人 日本材料学会

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