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Proceedings Paper

Residual stresses of surface nanocrystalline material by moire interferometry and hole-drilling method
Author(s): Min Ya; Fulong Dai; Yongming Xing; Jian Lu
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Paper Abstract

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 moire interferometry and hole-drilling. Residual stresses of different specimens with nanocrystalline layer and plastic deformation layer removed were also studied. The experimental result show that nanocrystalline layer and plastic deformation layer are main parts to remain high residual stresses, and to enhance the mechanic behavior of materials.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468853
Show Author Affiliations
Min Ya, Tsinghua Univ. (China)
Fulong Dai, Tsinghua Univ. (China)
Yongming Xing, Univ. of Technology of Troyes (France)
Jian Lu, Univ. of Technology of Troyes (France)


Published in SPIE Proceedings Vol. 4537:
Third International Conference on Experimental Mechanics

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