中性子回折法による残留応力測定

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  • 鈴木 裕士
    日本原子力研究開発機構 量子ビーム応用研究センター
  • 秋田 貢一
    日本原子力研究開発機構 量子ビーム応用研究センター

書誌事項

タイトル別名
  • Residual Stress Measurement using Neutron Diffraction
  • 中性子実験装置 定常炉編(11)残留応力測定 中性子回折法による残留応力測定
  • チュウセイシ ジッケン ソウチ テイジョウロヘン(11)ザンリュウ オウリョク ソクテイ チュウセイシ カイセツホウ ニ ヨル ザンリュウ オウリョク ソクテイ

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抄録

<p>Neutron diffraction is the only method which can measure residual stresses inside materials at centimeter-order depth nondestructively. Residual strains can be derived from the diffraction peak shift, and residual stresses can be calculated by applying lattice strains measured in three orthogonal directions to the Hooke’s law. In addition, the neutron diffraction method can be utilized for evaluation of deformation behaviors of engineering materials by measuring microstructural factors such as microstrains, texture and dislocation density. Therefore, the neutron diffraction technique is very useful in the design and development of engineering components, as well as in studies on materials engineering. Here we show the principle of the neutron stress measurement and the engineering neutron diffractometers as well as some applications.</p>

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  • 波紋

    波紋 25 (1), 32-38, 2015

    日本中性子科学会

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