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(
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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()
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图4. ε=3.0冷拔钢丝经170 ℃回火处理32 min前后纵截面显微组织的TEM明场像和暗场像
Fig.4. Bright field (a, c) and dark field (b, d) TEM images of cold-drawn pearlitic steel wires on the longitudinal section before (a, b) and after (c, d) annealing at 170 ℃ for 32 min under ε=3.0 (White arrows in Fig.4a show crystal defects)
