研究了铌对钒微合金化高碳钢在不同加热温度和保温时间下的奥氏体晶粒长大规律的影响.结果表明,含铌A钢在1100℃以下具有较好的抗晶粒粗化能力,组织中存在大量以NbC为主的析出物,其奥氏体晶界迁移能仅为44.2 kJ/mol;而不含铌B钢,不具有某一温度下的抗晶粒粗化能力,同时组织中仅发现较少量VC析出物,其奥氏体晶界迁移能高达197.2 kJ/mol;在高碳钢中,同一奥氏体温度下,V降低NbC完全溶解温度.
参考文献
| [1] | 赵程,贺芳,刘基凯.提高国产金属针布热处理质量的途径[J].金属热处理,2009(05):89-92. |
| [2] | P. A. MANOHAR;D. P. DUNNE;T. CHANDRA;C. R. KILLMORE .Grain Growth Predictions in Microalloyed Steels[J].ISIJ International,1996(2):194-200. |
| [3] | Qingyun Sha;Zuqing Sun .Grain growth behavior of coarse-grained austenite in aNb-V-Ti microalloyed steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2009(1/2):77-84. |
| [4] | Qingbo Yu;Ying Sun .Abnormal growth of austenite grain of low-carbon steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):34-38. |
| [5] | DUAN Lin-na,WANG Ji-man,LIU Qing-you,SUN Xin-jun,CAO Jian-chun.Austenite Grain Growth Behavior of X80 Pipeline Steel in Heating Process[J].钢铁研究学报(英文版),2010(03):62-66. |
| [6] | Zhang, S.S.;Li, M.Q.;Liu, Y.G.;Luo, J.;Liu, T.Q. .The growth behavior of austenite grain in the heating process of 300M steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(15):4967-4972. |
| [7] | 钟云龙,刘国权,刘胜新,刘长胜,李光,何岳,钱红宝,李洪德,江玉祥.新型油井管钢33Mn2V的奥氏体晶粒长大规律[J].金属学报,2003(07):699-703. |
| [8] | 赵英利,时捷,曹文全,惠卫军,谢刚.加热温度对含Nb中碳钢奥氏体晶粒长大的影响[J].材料热处理学报,2010(04):67-70. |
| [9] | Zener C .Grains,phases and interactions:an interpretation of microstructurel[J].Trans AIME,1948,175(15):15-51. |
| [10] | Palmiere E J;Garcia C I;De Ardo A J .Composition and micro-structural changes which attend reheating and grain coarsening in steels containing niobium[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1994,25(02):277-286. |
| [11] | 雍岐龙;阎生贡;裴和中 等.铌在钢中的物理冶金学基础数据[J].钢铁研究学报,1998,10(05):63-66. |
| [12] | 李贞顺,李胜利,孙卫华,徐洪庆.低氮低钒D36船板钢中析出相的特征及沉淀强化作用[J].材料热处理学报,2012(04):68-71. |
| [13] | Masayuki K;Masataka T;Kiyotaka M .Effect on niobium on the formation of microstructure and grain boundary in Fe-Nb and Fe-C-Nb Alloys[J].ISIJ International,2006,46(12):1871-1873. |
| [14] | Rainforth W M;Black M P;Higginson R L et al.Precipitation of NbC in model austenitic steel[J].Acta Materialia,2002,50(04):735. |
| [15] | 李楹;霍淑云;吴宝榕 等.WX60级管线钢种Nb[C,N]的溶解与析出行为[J].钢铁,1987,22(08):240-245. |
| [16] | 张羊换;佟庆安;刘永铨 .(V,Nb)C溶解规律及其对奥氏体晶粒粗化的影响[J].东北工学院学报,1992,13(03):253-258. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%