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首页> 外文会议>Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005 >Precipitation Behavior of Second-phase Particles and Microstructure Characteristics in Nb Ti Micro-alloyed High Strength Steel
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Precipitation Behavior of Second-phase Particles and Microstructure Characteristics in Nb Ti Micro-alloyed High Strength Steel

机译：Nb和Ti微合金高强度钢中第二相颗粒的析出行为和组织特征

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摘要

The precipitation behaviors of the second phase particles and microstructure characteristics in high strength cold rolled steel containing Nb & Ti are investigated. By using the transmission electronic micrograph (TEM), the precipitation behavior of the second phase particles in the samples is analyzed. The relationship between precipitation behaviors of the second phase particle and annealing processes in different samples of experimental steel has been found. The results show that the second phase particles are finely dispersed during hot rolling and prevent grain boundary migration and grain growth. The recrystallization during annealing after cold rolling makes the grain coarsen obviously and the second phase particles grow up, the second phase particles are still keeping in dispersion.
机译：研究了含Nb和Ti的高强度冷轧钢中第二相颗粒的析出行为和组织特征。通过使用透射电子显微照片（TEM），分析样品中第二相颗粒的沉淀行为。在不同的实验钢样品中，发现了第二相颗粒的析出行为与退火过程之间的关系。结果表明，第二相颗粒在热轧过程中细分散，防止了晶界迁移和晶粒长大。冷轧退火后的再结晶使晶粒明显粗大，第二相颗粒长大，第二相颗粒仍保持分散状态。

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