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Texture and Planar Anisotropy in Lean Duplex Stainless Steel Sheet

机译:贫双相不锈钢薄板的织构和平面各向异性

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摘要

The comparison of texture and planar anisotropy of the r-value between the lean Type 32101 (21.2%Cr-1.5%Ni-5.0%Mn-0.3%Mo-0.02%C-0.22%N) and standard Type 329J4L (25.2%Cr-6.9%Ni-0.7%Mn-3.0%Mo-0.02%C-0.11%N) duplex stainless steel cold-rolled and annealed sheets were examined. Type 32101 had a weaker texture, especially in the α phase, and a lower planar anisotropy of the r-value compared with Type 329J4L. These differences were caused by the cold rolling texture because the α_(bcc) fiber (<011>// RD) texture in Type 32101 decreased during cold rolling. It was revealed that during cold rolling, inhomo-geneous deformation easily occurred in Type 32101 because this steel contained a higher volume fraction of the γ phase harder than the α phase.
机译:贫32101型(21.2%Cr-1.5%Ni-5.0%Mn-0.3%Mo-0.02%C-0.22%N)和标准329J4L型(25.2%Cr)的r值的织构和平面各向异性的比较对-6.9%Ni-0.7%Mn-3.0%Mo-0.02%C-0.11%N)双相不锈钢进行了冷轧和退火处理。与329J4L型相比,32101型具有较弱的织构,尤其是在α相中,r值的平面各向异性较低。这些差异是由于冷轧织构引起的,因为32101型的α_(bcc)纤维(<011> // RD)织构在冷轧过程中降低了。结果表明,在冷轧过程中,32101型很容易发生不均匀变形,因为这种钢所含的γ相体积分数比α相硬得多。

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