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Study of formability on Si-Al-Mn TRIP steel with niobium
Pages: 299-303
Year: Issue:  4
Journal: Journal of Materials and Metallurgy

Keyword:  TRIP钢力学性能FLD;
Abstract: 对含铌Si-Al-Mn TRIP钢在800℃两相区退火和400℃贝氏体区等温处理,试样进行了力学和成形极限图(FLD)实验.分析了常规力学参数对成形极限平面应变特征点(FLD0)的影响.结果表明,实验钢的FLD0值为59%,表现出良好的成形性;随着延伸率δ、强塑积(σb×δ)、应变硬化指数n和塑性应变比r值的上升,FLD0具有上升的趋势.n值对FLD0的影响最为显著,r值对FLD0的影响较小.
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