Study of residual stresses of surface nanocrystalline material by moiré interferometry and hole-drilling method

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

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  • Min Ya
  • Fulong Dai
  • Yongming Xing
  • J. Lu


Original languageEnglish
Pages (from-to)317-320
Journal / PublicationProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2001
Externally publishedYes


Title3th Conference on Experimental Mechanics
Period15 - 17 October 2001


The surface of metal structure can be transmitted into nanocrystalline by means of supersonic shot-peening. Residual stresses of stainless steel 316L caused by surface nanocrystalline were studied by a combined method of moiré interferometry and hole-drilling. Residual stresses of different specimens with nanocrystalline layer and plastic deformation layer removed were also studied. The experimental results show that nanocrystalline layer and plastic deformation layer are main parts to remain high residual stresses, and to enhance the mechanic behavior of materials.

Research Area(s)

  • Hole-drilling, Moiré interferometry, Residual stresses, Surface nanocrystalline

Citation Format(s)