電子線モアレ法とマイクログリッドを用いた脆性/延性複層鋼板の積層界面近傍の変形挙動観察(<小特集>M&P2009機械材料・材料加工部門技術講演会)

概要

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Micro-deformation around the boundary of multi-layered steel was measured by electron moire method and using micro-grid. The femto-second laser exposure system was used to fabricate model grids for electron moire method for micro-deformation measurements. Micro-strain distribution of the laminated steel specimen during three-point bending tested was measured by electron Moire method. Strain concentration near the boundary and non-uniform strain distribution around the boundary could be observed. Micro-deformation near the boundary also could be observed using micro-grid.
2010-06-25