以真应变量为3的冷拔纳米珠光体钢丝为研究对象,对钢丝在不同退火温度下的拉伸力学性能热稳定性进行了研究.发现,该钢丝力学性能的热稳定性可维持到523 K.基于实验结果及相关理论模型,分析了冷拔纳米珠光体钢丝力学性能热稳定性的微观控制机制.结果表明,钢丝力学性能的热稳定性主要受到铁素体中的空位团浓度演化、位错密度演化、碳元素与位错的交互作用等因素的共同控制.当退火温度高于523 K时,铁素体中空位团的泯灭、位错密度的降低及碳元素对位错钉扎效应的消失,共同导致了钢丝的力学性能的急剧退化.
参考文献
| [1] | Languillaume J;Kapelski G;Baudelet B .Evolution of the tensile strength in heavily cold drawn and annealed pearlitic steel wires[J].Materials Letters,1997,33(3-4):241-245. |
| [2] | Hitoshi TASHIRO,李晓非,郭大勇.高拉伸强度钢帘线的先进生产技术[J].鞍钢技术,2006(06):53-56. |
| [3] | Y.J. Li;P. Choi;S. Goto .Evolution of strength and microstructure during annealing of heavily cold-drawn 6.3 GPa hypereutectoid pearlitic steel wire[J].Acta materialia,2012(9):4005-4016. |
| [4] | TU Yi-you .The microstructure and mechanical performance of high speed severe cold drawn steel wire[D].Nanjing:School of Materials Science and Engineering of Southeast University,2006. |
| [5] | Xiaodan Zhang;Andy Godfrey;Xiaoxu Huang .Microstructure and strengthening mechanisms in cold-drawn pearlitic steel wire[J].Acta materialia,2011(9):3422-3430. |
| [6] | Borchers, C;Al-Kassab, T;Goto, S;Kirchheim, R .Partially amorphous nanocomposite obtained from heavily deformed pearlitic steel[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,2009(1/2):131-138. |
| [7] | Embury J;Fisher R .The structure and properties of drawn pearlite[J].ACTA METALLURGICA,1966,14(02):147-159. |
| [8] | Taylor G .The mechanism of plastic deformation of crystals[J].Proceedings of the Royal Society of London,1934,145:362-387. |
| [9] | J.LANGUILLAUME;G.KAPELSKI;B.BAUDELET .CEMENTITE DISSOLUTION IN HEAVILY COLD DRAWN PEARLITIC STEEL WIRES[J].Acta materialia,1997(3):1201-1212. |
| [10] | M.H.Hong;W.T.Reynolds .Atom probe and transmission electron microscopy investigations of heavily drawn pearlitic steel wire[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1999(3a):717-727. |
| [11] | ZHANG Wei-jun;SUN Jin-mao .Production and application of prestressed steel strand made in China[J].Steel Wire Products,1997,22(03):14-17. |
| [12] | Jun Takahashi;Makoto Kosaka;Kazuto Kawakami .Change in carbon state by low-temperature aging in heavily drawn pearlitic steel wires[J].Acta materialia,2012(1):387-395. |
| [13] | 崔约贤;王长利.金属断口分析[M].哈尔滨:哈尔滨工业大学出版社,1998:36-40. |
| [14] | V. T. L. Buono;M. S. Andrade .Kinetics of strain aging in drawn pearlitic steels[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1998(5):1415-1424. |
| [15] | Lv, Z.Q.;Wang, B.;Wang, Z.H.;Sun, S.H.;Fu, W.T..Effect of cyclic heat treatments on spheroidizing behavior of cementite in high carbon steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2013:143-148. |
| [16] | CHEN Yu-zeng;SHI Xiang-hu;Csiszár G.Recovery of lattice defects during annealing of a cold-drawn pearlitic steel wire[J]. |
| [17] | C. Borchers;Y. Chen;M. Deutges;S. Goto;R. Kirchheim .Carbon-defect interaction during recovery and recrystallization of heavily deformed pearlitic steel wires[J].Philosophical Magazine Letters,2010(8):581-588. |
| [18] | Y.Z. CHEN;G. CSISZAR;T. UNGAR .Defects in Carbon-Rich Ferrite of Cold-Drawn Pearlitic Steel Wires[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2013(8):3882-3889. |
| [19] | Setsuo Takaki;Toshihiro Tsuchiyama;Koichi Nakashima .Microstructure Development of Steel during Severe Plastic Deformation[J].Metals and Materials International,2004(6):533-539. |
| [20] | 张灶利,刘键,林清英,余宗森,刘登科.磷在钢回火脆性发展时的非平衡偏聚及钼的影响[J].钢铁研究学报,1999(05):26-29. |
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