钒-钛微合金化钢焊接热影响区晶内铁素体与夹杂物的界面关系
THE INTER-PHASE BOUNDARY OF INTRA-GRANULAR FERRITE AND INCLUSION IN WELDING HEAT AFFECTED ZONE OF VANADIUM AND TITANIUM MICRO-ALLOYED STEEL
摘 要
采用聚焦离子束方法制备试样,利用最高加速电压为1 300 kV的高分辨电镜观察钒-钛微合金化钢100 kJ/cm大线能量热模拟焊接热影响区,对作为晶内铁素体形核核心的夹杂物形貌与结构及夹杂物与晶内铁素体界面关系进行了研究。结果表明,晶内铁素体在MnS+V(C,N)复合夹杂物相上形核析出,夹杂物和晶内铁素体存在确定的晶体学位向关系。
晶内铁素体
夹杂物
相界
Heat affected zone
Intra-granular ferrite
Inclusion
Inter-phase boundary
Abstract
The morphology and structure of inclusions as nuclei of intra-granular ferrite,inter-phase boundary of inclusion and intra-granular ferrite in heat affected zone of 100 kJ/cm large heat input simulated welding of vanadium and titanium micro-alloyed steel was studied by using a super high resolution electron microscopy (HREM) with a maximal accelerated voltage of 1 300 kV,and the sample was processed by focus ion beam. It was found that intra-granular ferrite nucleated on MnS+V(C,N) composite inclusions,and there was certain crystallography lattice relationship between inclusion and intra-granular ferrite.
中图分类号 TB303
所属栏目 试验与研究
基金项目
收稿日期 2006/11/3
修改稿日期
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作者单位点击查看
备注张莉芹(1972-),女,博士。
引用该论文: ZHANG Li-qin,YUAN Ze-xi,BU Yong. THE INTER-PHASE BOUNDARY OF INTRA-GRANULAR FERRITE AND INCLUSION IN WELDING HEAT AFFECTED ZONE OF VANADIUM AND TITANIUM MICRO-ALLOYED STEEL[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2007, 43(8): 379～381
张莉芹,袁泽喜,卜 勇. 钒-钛微合金化钢焊接热影响区晶内铁素体与夹杂物的界面关系[J]. 理化检验－物理分册, 2007, 43(8): 379～381
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参考文献
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【3】Furuhara T,Shinyoshi T,Miyamoto G,et al. Multiphase Crystallography in the Nucleation of Intragranular Ferrite on MnS+V(C,N) Complex Precipitate in Austenite［J］. ISIJ International,2003,43(12):2028–2037．
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【6】Fusao Ishikawa,Toshihiko Takahashi. The Formation of Intragranular Ferrite Plates in Medium-carbon Steels for Hot-forging and Its Effect on the toughness［J］. ISIJ International,1995,35(9):1128-1133．
【7】Hyung-Ha Jin,Hu-Chul Lee. Acicular Ferrite Microstructure under Isothermal Transformation in Low Carbon Steel containing V and Mo［J］. Iron and Steel Supplement,2005,40:719-722．
【8】Miyamoto G,Shinyoshi T,Yamaguchi J,et al. Crystallography of intragranular ferrite formed on (MnS+V(C,N)) complex precipitate in austenite［J］. Scripta Materialia,2003,48:371-377．
【9】古原忠.鉄鋼材料における界面構造とエネルギー［J］.鉄と鋼,2003,89(5):497-509．
【2】Furuhara T,Yamaguchi J,Sugita N,et al. Nucleation of Proeutectoid Ferrite on Complex Precipitates in Austenite［J］. ISIJ International,2003,43(10):1630-1639．
【3】Furuhara T,Shinyoshi T,Miyamoto G,et al. Multiphase Crystallography in the Nucleation of Intragranular Ferrite on MnS+V(C,N) Complex Precipitate in Austenite［J］. ISIJ International,2003,43(12):2028–2037．
【4】Fusao Ishikawa,Toshihiko Takahashi,Tatsurou Ochi. Intragranular ferrite nucleation in medium-carbon vanadium steels［J］. Metallurgical and Materials Transactions,1994,25A(5):929-936．
【5】YIN Gui-quan,YANG Cai-fu,WANG shi-jun. Second phase particles and intragranular ferrite nucleation in microalloyed V-N steels［J］. Iron and Steel Supplement,2005,40:315-319．
【6】Fusao Ishikawa,Toshihiko Takahashi. The Formation of Intragranular Ferrite Plates in Medium-carbon Steels for Hot-forging and Its Effect on the toughness［J］. ISIJ International,1995,35(9):1128-1133．
【7】Hyung-Ha Jin,Hu-Chul Lee. Acicular Ferrite Microstructure under Isothermal Transformation in Low Carbon Steel containing V and Mo［J］. Iron and Steel Supplement,2005,40:719-722．
【8】Miyamoto G,Shinyoshi T,Yamaguchi J,et al. Crystallography of intragranular ferrite formed on (MnS+V(C,N)) complex precipitate in austenite［J］. Scripta Materialia,2003,48:371-377．
【9】古原忠.鉄鋼材料における界面構造とエネルギー［J］.鉄と鋼,2003,89(5):497-509．
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