Abstract：The microstructure of havily drawn SWRH72A wire was studied with SEM. The change of mechanical properties and magnetic properties of the wire with the increase of drawing strain were investigated. The results show that the interlamellar spacing of pearlite is decreased progressively during the cold drawing. Tensile strength,coercive force and residual magnetization of the wire are increased with increasing drawing strain.When the strain was small, the saturation magnetization of the wire was almost unchanged,227.87 emu/g.But increased to 233.55 emu/g with the strain increasing to 2.60.As calculated,that part of cementite was decomposed in heavily drawn SWRH72A steel.
涂益友;蒋建清;蔡磊;卞建春. 大应变变形珠光体钢丝微观组织结构的研究[J]. 钢铁, 2008, 43(7): 72-0.
TU Yiyou;JIANG Jianqing;CAI Lei;BIAN Jianchun. Study on Microstructure of Heavily Drawn Pearlite Steel Wire. Iron and Steel, 2008, 43(7): 72-0.
2008, Vol. 43 
