低温回火对超大形变冷拔珠光体钢丝显微组织和力学性能的影响
冯汉臣1,闵学刚2,魏大圣1,周立初1,崔世云2,方峰1()
Effect of Low Temperature Annealing on Microstructure and Mechanical Properties of Ultra-Heavy Cold-DrawnPearlitic Steel Wires
Hanchen FENG1,Xuegang MIN2,Dasheng WEI1,Lichu ZHOU1,Shiyun CUI2,Feng FANG1()

图3. 盘条及冷拔钢丝(ε=3.0)经170 ℃回火处理32 min前后的显微组织

Fig.3. Microstructures of wire rod (a) and cold-drawn pearlitic steel wires before (b) and after (c) annealing at 170 ℃ for 32 min under ε=3.0