利用电子背散射衍射(EBSD)技术和场发射电子扫描显微镜(FESEM)研究了电工钢中柱状晶不同初始取向50％热压缩变形后的演变规律及其对粒子析出行为的影响.结果表明:<100>晶粒形变后仍为〈100〉取向,只发生绕ND∥〈100〉方向的转动,具有遗传性,粒子析出数量少.柱状晶长轴与压缩轴的偏转度增加,取向的稳定性变差,超过40°,可形成〈111〉取向,期间发生复杂的滑移系交互作用,产生较高的缺陷密度,促进粒子析出.MnS粒子主要在晶内析出,变形温度高、形变量低,粒子均无法充分析出.回复时,形变晶粒内高的储能和缺陷密度是促进粒子进一步析出的必要条件.
参考文献
| [1] | SHIN H J,ANJ K,PARKS H,et al .The effect of texture on ridging of ferritic stainless steel[J].Acta Materialia,2003,51(16):4693-4706.,2003. |
| [2] | HUH M Y,ENGLER O .Effect of intermediate annealing on tex ture,formability and ridging of 17% Cr ferritic stainless steel sheet[J].Materials Science and Engineering A,2001,308(12):74-87.,2001. |
| [3] | TSUJI N,TSUZAKI K,MAKI T .Effect of initial orientation on the cold rolling behavior of solidified columnar crystals in a 19%Cr ferritic stainless steel[J].ISIJ International,1992,32(12):1319-1328.,1992. |
| [4] | TSUJI N,TSUZAKI K,MAKI T .Effect of initial orientation on the recrystallization behavior of solidified columnar crystals in a 19% Cr ferritic stainless steel[J].ISIJ International,1993,33(7):783-792.,1993. |
| [5] | 何忠治,孙学范,帅仁杰 .抑制剂对取向硅钢再结晶行为的影响[J].金属学报,1985,21(2):A126-A130.HE Z Z,SUN X F,SHUAI R J.Behavior of secondary recrystal lization in oriented Si steel containing various inhibitors[J].Acta Metallurgica Sinica,1985,21(2):A126-A130.,1985. |
| [6] | HORKY P,PACL P .Effective grain growth inhibition in silicon steel[J].Journal of Magnetism and Magnetic Materials,1984,41:14-16.,1984. |
| [7] | ZAVERYUKHA A,DAVIS C .An investigation into the cause of inhomogeneous distributions of aluminum nitrides in silicon steels[J].Materials Science and Engineering A,2003,345(1):23-27.,2003. |
| [8] | SHIMIZU Y,ITO Y,IIDA Y .Formation of the Goss orientation near the surface of 3 pct silicon steel during hot rolling[J].MetallurgicalTransactions,1986,17(8):1323-1334.,1986. |
| [9] | HOLSCHER M,RAABE D,LOCKE K .Rolling and recrystallization textures of bcc steels[J].Materials Technology,1991,62(12):567-575.,1991. |
| [10] | MATSUOKA S,MORITA M,FURUKIMI O,et al .Effect of lubrication condition on recrystallization texture of ultra low C sheet steel hot rolled in ferrite region[J].ISIJ International,1998,38(6):633-639.,1998. |
| [11] | ENGLER O,HUH M Y,TOMI C N .A study of throughthickness texture gradients in rolled sheets[J].Metallurgical andMaterials Transactions A,2000,31(9):2299-2315.,2000. |
| [12] | 崔凤娥,杨平,毛卫民.电工钢热压缩时动、静态再结晶组织及取向分析[J].材料热处理学报,2011(01):38-42. |
| [13] | LIU H T,LIU Z Y,LI C S,et al .Solidification structure and crystallographic texture of strip casting 3wt % Si non oriented silicon steel[J].Materials Characterization,2011,62(5):463-468.,2011. |
| [14] | QIAN H,YANG P,ZHENG G H,et al .Grain orientations and their influence on precipitation in hot compressed columnar grains in electrical steel[J].Materials Science Forum,2012,702703 |
| [15] | SUN W P,MILITZER M,JONAS J J .Diffusion controlled growth and coarsening of MnS during hot deformation[J].MetallurgicalTransactions A,1992,23(11):3013-3023.,1992. |
| [16] | SUN W P,MILITZER M,JONAS J J .Strain induced nucleation of MnS in electrical steels[J].Metallurgical Transactions A,1992,23(3):821-830.,1992. |
| [17] | ABE H,MATSUO M,ITO K .Cold rolling and recrystalization textures of silicon iron crystals rolled in (100)【001】orientation[J].Transaction JIM,1963,4 |
| [18] | HUH .A study on the texture formation in rolled and annealed crystals of silicon iron[J].Transactions of the Metallurgical Society of AIME,1961,221 |
| [19] | WALTER J L,KOCH E F .Electron microscope study of the structures of cold rolled and annealed (100)【001】crystals of highpurity silicon iron[J].Acta Metallurgica,1962,10(11):1059-1075.,1962. |
| [20] | WALTER J L,HIBBARD W R .Texture of cold rolled and recrystallized crystals of silicon iron[J].Transactions of the Metallurgical Society of AIME,1958,212 |
| [21] | MAO W M .Simulation of shear texture formation in the surface layer of interstitial free steel sheets[J].International Journal of Engineering Simulation,2001,2(1):17-23.,2001. |
| [22] | TAKAMIYA T,OBARA T,MURAKI M,et al .Influence of sulfur content and deformation temperature on precipitation behavior of MnS in 3% Si steel[J].Journal of the Iron and Steel Institute of Japan,2003,89(5):518-523.,2003. |
| [23] | 安治国,毛卫民.取向电工钢中MnS粒子析出形核行为[J].材料热处理学报,2010(02):45-50. |
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