227 アルミニウム合金ボルトの開発研究 : 超微小硬さによる製品評価及び FEM 解析との関係

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  • Development Research of the Aluminum Alloy Bolt : Relation between FEM analysis and product evaluation by the nano-indentation hardness

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The development of high strength aluminum alloy bolt is carried out for practical application to the Aluminum Space Frames (ASF). In this report, the hardness distribution of development bolt is examined by nano-indentation. As the result, it has been confirmed that the dispersion has little uniformly been stabilized on nano-indentation hardness of the development bolt. And the development bolt evaluated the microstructure of the bolt. And it is indicated that there is the correspondence from the FEM analysis in equivalent plastic strain and hardness.

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