724 光干渉法による静止分岐切欠き先端周辺の応力場測定

概要

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The stress field around a fast propagating crack is measured at 6.9μs after carck bifurcation. The measurement results show that the near-tip field around the bifurcated crack deviates from the K-field. The stress field around a stationary bifurcated notch is also measured, where the bifurcated notch has the same shape as the bifurcated fast propagating crack. The stress field around the bifurcated notch also deviates from the K-field. The deviation of the stress field of the bifurcated fast propagating crack is qualitatively similar to that of the stationary bifurcated notch. It can thus be said that the deviation of the stress field around a bifurcated fast propagating crack form the K-field is due to the geometrical shape of the bifurcated crack tip.
社団法人日本機械学会の論文
2000-07-31