Abstract
Using the nano-moiré method, we measure the near tip nanoscopic deformation on the [111] plane of single crystal silicon with a loaded quasi-cleavage crack running in the [110] direction. The measured strain distribution ahead of the crack tip agrees with the linear elastic fracture mechanics prediction up to 10 nm from the crack tip. Dislocations of Peierls type are detected and they extend from the crack tip over a length of hundreds of Burgers vectors.
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Xing, Y., Dai, F. & Yang, W. Experimental study about nano-deformation field near quasi-cleavage crack tip. Sci. China Ser. A-Math. 43, 963–968 (2000). https://doi.org/10.1007/BF02879802
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DOI: https://doi.org/10.1007/BF02879802