利用电子背散射衍射(EBSD)技术研究了17％ Cr铁素体不锈钢退火时间对组织、织构的影响.研究了再结晶晶粒的显微组织、微观织构和晶粒间取向分布与成形性的关系.结果表明,随着退火时间的延长,再结晶晶粒长大,γ取向线上{111}<110>,{111} <112>的先增强后减弱,α取向线上的{112} <110>,{111} <110>先减弱后增强.当在1040℃退火时间为3 min时,γ织构密度最高,r值最大,△r的绝对值最小,此时获得了此钢种最好的成形性能.
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