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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials Pt.2; Jul 7-11, 2003; Leganes, Madrid, Spain >Deep-Drawable Steel Strip Produced by Ferritic Rolling
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Deep-Drawable Steel Strip Produced by Ferritic Rolling

机译：铁素体轧制生产的深冲钢带

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摘要

To produce a thin gauge hot strip with desirable deep-drawing properties a ferritic rolling strategy, in which the finish rolling temperatures are shifted into the ferritic region, can be utilised. Two different ferritically rolled products, a "soft" hot strip and a "hard" hot strip of a commercial IF steel, were produced on a laboratory rolling mill. The "soft" hot strip was rolled in the upper ferrite temperature region and thus directly recrystallised in the coil. The "hard" hot strip, rolled in the lower ferrite temperature region, exhibited a strained microstructure and therefore required a supplemental annealing. The guidelines for the optimum ranges of process parameters were determined, in previous investigations by using the plane-strain compression test on the hot deformation simulator WUMSI. Roll lubrication was utilised during all ferritic rolling tests, to diminish the detrimental influence of friction on the texture near the surface. The microstructure and texture investigations together with the measurement of mechanical properties, including the Lankford values, could be used to establish the process parameters necessary to significantly improve the deep-drawing properties. In the ferritically rolled strip, the properties could be adjusted as to be comparable to those of steel grade DC 04 and even DC 05.
机译：为了生产具有所需深冲性能的薄规格热轧带钢，可以采用铁素体轧制策略，其中精轧温度转移到铁素体区域。在实验室轧机上生产了两种不同的铁素体轧制产品，即商用IF钢的“软”热轧带和“硬”热轧带。 “软”热轧带在较高的铁素体温度区域内轧制，因此直接在卷材中重结晶。在较低的铁素体温度范围内轧制的“硬”热轧钢带显示出变形的微观结构，因此需要进行补充退火。在先前的研究中，通过在热变形模拟器WUMSI上使用平面应变压缩测试，确定了工艺参数最佳范围的准则。在所有铁素体轧制试验中均采用了辊润滑，以减少摩擦对表面附近织构的有害影响。微观结构和织构研究以及机械性能（包括Lankford值）的测量可用于建立显着改善深冲性能所需的工艺参数。在铁素体轧制带钢中，可以调整其性能，使其与钢号DC 04甚至DC 05的钢具有可比性。

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