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MICROSTRUCTURE AND MECHANICAL PROPERTY OF COLD DRAWN HIGH STRENGTH 00Cr18Ni10N STAINLESS STEEL WIRE |
HUANG Wenke1; 2; KONG Fanya1 |
1 Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110016
2 Graduate University of Chinese Academy of Sciences; Beijing 100049 |
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Cite this article:
HUANG Wenke KONG Fanya. MICROSTRUCTURE AND MECHANICAL PROPERTY OF COLD DRAWN HIGH STRENGTH 00Cr18Ni10N STAINLESS STEEL WIRE. Acta Metall Sin, 2009, 45(3): 275-279.
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Abstract 00Cr18Ni10N (mass fraction, %) stainless steel wires with different reductions of area were obtained through cold drawing. Tensile test, magnetic test and microstructure observation show that at the initial stage of deformation (ε≦40%), slipping and twinning are the main deformation mechanism, more amounts of twin lamella and dislocation cell microstruture appear, and the tensile strength changes from 600 to 1200 MPa. At the large deformation stage (ε>40%), strain induced martensites begin to take a part of deformation, the microstructure exhibits a fibrous band--like character, its substructure consists of dislocation cell and broken deformation twin with irregular shape, and the tensile strength is above 1200 MPa.
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Received: 30 July 2008
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