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|Title:||Effect of vanadium on microstructure and property of pearlitic steel wire|
|Citation:||Materials Research Innovations, 2015; 19(S8):394-396|
|Publisher:||Taylor and Francis|
|F. Fang, X. Hu, L. Zhou, Z. Xie and J. Jiang|
|Abstract:||Effects of vanadium micro-alloying on the microstructure and material properties of pearlitic steel were investigated, in an effort to obtain higher strength wire with good thermal stability. Experimental results showed that V element mainly existed in cementite and acted to strengthen cementite within pearlitic wire. Consequently, adding V improved the tensile strength and plasticity of initial pearlitic steel rods. In addition, V additions increased work hardening rate of the steel wires during cold drawing process. Moreover, addition of V increased the fragmentation of cementite during drawing, because the presence of V hardened the cementite and decreased the plasticity of cementite. DSC test results revealed that addition of V postponed the appearance of first exothermic peak and, thus, reduced the thermal impact of the first exothermic peak. However, V additions rendered the wire more vulnerable to the thermal effect caused by the second exothermic peak.|
|Keywords:||Cold drawn wire; vanadium; element distribution; thermal stability|
|Rights:||© W. S. Maney & Son Ltd 2015|
|Appears in Collections:||Mechanical Engineering publications|
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