采用SEM、TEM和SAXS研究了轧后γ→α相变过程以及γ→α相变后冷却速率对(Tix,MQx)C粒子析出行为的影响.结果表明:在γ→α相变温度范围内采用较快的冷却速率可以使相间析出的(Tix,MQx)C粒子尺寸更细小,分布更均匀,这些粒子尺寸多数在1～10nm;γ→α相变完成后缓慢冷却可以使(Tix,MQx)C粒子在α基体中进一步弥散析出,这类弥散析出的粒子形成温度低,尺寸细小均匀.
参考文献
| [1] | 翁宇庆.超细晶钢钢的组织细化理论与控制技术[M].北京:冶金工业出版社,2003.,2003. |
| [2] | GLADMAN T .Precipitation hardening in metals[J].Materials Science and Technology,1999,15(1):30-36.,1999. |
| [3] | 段修刚,蔡庆伍,武会宾.Ti-Mo全铁素体基微合金高强钢纳米尺度析出相[J].金属学报,2011(02):251-256. |
| [4] | FUNAKAWA Y,SHIITAKE T,TOMITA K,et al .Develop ment of high strength ho-rolled sheet steel consisting of ferrite and nanometer sized carbides[J].ISIJ International,2004,44(11):1945-1951.,2004. |
| [5] | CHEN C Y,YEN H W,KAO F H,et al .Precipitation hardening of high strength low alloy steels by nanometer sized carbides[J].Materials Science and Engineering:A,2009,499(1):162-166.,2009. |
| [6] | FUNAKAWA Y,SETO K .Coarsening behavior of nanometer sized carbides in hoerolled high strength sheet steel[J].Materials Science Forum,2007,539 |
| [7] | JUNG J G,PARK J S,KIM J Y,et al .Carbide precipitation kinetics in austenite of aNb Ti V microalloyed steel[J].Materials science andEngineering:A,2011,528(16):5529-5537.,2011. |
| [8] | CRAVEN A J,HE K,GARVIEL A J,et al .Complex heterogeneous precipitation in titanium niobium microalloyed Al killed HSLA steels Ⅰ:(Ti,Nb) (C,N) particles[J].Acta Materialia,2000,48(15):3857-3865.,2000. |
| [9] | NIU Tao,KANG Yong-lin,GU Hong-wei,YIN Yu-qun,QIAO Ming-liang.Precipitation Behavior and Its Strengthening Effect of X100 Pipeline Steel[J].钢铁研究学报（英文版）,2010(11):73-78. |
| [10] | HONG S G,KANG K B,PARK C G .Strain induced precipitation of NbC in Nb and Nb Ti microalloyed HSLA steels[J].Scripta Materialia,2002,46(2):163-171.,2002. |
| [11] | 胡彬浩.Ti Mo微合金钢个位纳米级粒子析出规律研究[D].北京:北京科技大学,2012.,2012. |
| [12] | OKAMOTO R,BORGENSTAM A,AGREN J .Interphase precipitation in niobium microalloyed steels[J].Acta Materialia,2010,58(14):4783-4790.,2010. |
| [13] | OKAMOTO R,BORGENSTAM A,AGREN J .A model for interphase precipitation based on finite interface solute drag theory[J].Acta Materialia,2010,58(14):4791-4803.,2010. |
| [14] | FUNAKAWA Y,SETO K,NAKAMICHI H .Strengthening of ferritic steel by interface precipitated carbides in rows[J].Materials ScienceForum,2010,638 |
| [15] | FUNAKAWA Y .Mechanical properties of ultra fine particle dispersion strengthened ferritic steel[J].Materials Science Forum,2012,706 |
| [16] | PICKERING F B.Physical Metallurgy and the Design of Steels[M].London:Applied Science Publishing Ltd,1978.,1978. |
| [17] | 段修刚.铁素体Ti Mo微合金钢纳米粒子析出规律研究[D].北京:北京科技大学,2012.,2012. |
| [18] | 方芳,雍岐龙,杨才福,张永权.V（C,N）在V-N微合金钢铁素体中的析出动力学[J].金属学报,2009(05):625-629. |
| [19] | 雍歧龙.钢铁材料中的第二相[M].北京:冶金工业出版社,2006.,2006. |
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