| 回火处理对高碳冷拔钢丝强度和塑性的影响 |
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| 引用本文： | 南胜辉,金满,吕晓霞,刘原知.回火处理对高碳冷拔钢丝强度和塑性的影响[J].金属制品,1995(4). |
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| 作者姓名： | 南胜辉 金满 吕晓霞 刘原知 |
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| 作者单位： | 吉林工业大学，长春市线材厂 |
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| 摘 要： | 研究了６５钢冷拔钢丝在５００℃不同时间回火时的抗拉强度和延伸率的变化。试验结果发现，在回火初期，抗拉强度首先增长，然后随口火时间的延长连续降低，而延伸率始终在增长，增长速度是先快后慢。这种行为可归因于第一内应力的消除和ε－碳化物在形变铁素体中的析出以及后来再结晶的发生。
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| 关 键 词： | 高碳钢丝，冷拔，回火，ε－碳化物 |
Effect of Tempering on Strength and Ductility of Cold-drawn High Carbon Steel Wire |
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| Nan Shenghui,Jin Man,LU Xiaoxia,Liu Yuanzhi.Effect of Tempering on Strength and Ductility of Cold-drawn High Carbon Steel Wire[J].Steel Wire Products,1995(4). |
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| Authors: | Nan Shenghui Jin Man LU Xiaoxia Liu Yuanzhi |
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| Affiliation: | Nan Shenghui;Jin Man;LU Xiaoxia;Liu Yuanzhi(Jinn University of Technology)(Changchun Wire Factory) |
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| Abstract: | A study has been made on the variations of tensile strength and elongation in 65 cold-drawn steel wire during the tempering at 500℃ for various times.It has been found that the tensile strength first increases in the initial stage and then decreases continuously,while the elongation rises first rapidly and then slowly.This behavior can be attributed to elimination of first internal stress and precipitating Ecarbides in the deformed ferrites as well as later recrystallization of ferrites. |
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| Keywords: | High carbon steel wire Cold-drawing Tempering ε-Carbide |
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