Tensile properties of Cu with deformation twins induced by SMAT

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J Mater Sci Technol ›› 2006, Vol. 22 ›› Issue (06): 789-792.

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Tensile properties of Cu with deformation twins induced by SMAT

Jinyu GUO, Ke WANG, Lei LU

Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

Received:2005-10-31 Revised:2006-01-18 Online:2006-11-28 Published:2009-10-10
Contact: Lei LU

Abstract

Abstract: High density nano-scale deformation twins were introduced in the surface layer of Cu sample by means of surface mechanical attrition treatment (SMAT) at room temperature. The Cu sample with deformation twins shows a yield strength of about 470 MPa in tension tests. The significant strengthening may be attributed to the effective inhibition of slip dislocations by abundant twin boundaries.

Key words: Copper, Surface mechanical attrition treatment (SMAT), Deformation twins, Strengthening

Jinyu GUO, Ke WANG, Lei LU. Tensile properties of Cu with deformation twins induced by SMAT[J]. J Mater Sci Technol, 2006, 22(06): 789-792.

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Tensile properties of Cu with deformation twins induced by SMAT

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