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首页> 外文期刊>Journal of Materials Engineering and Performance >The Optimization of Interlamellar Spacing in a Nanopearlitic Lead-Patented Hypoeutectoid Steel Wire
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The Optimization of Interlamellar Spacing in a Nanopearlitic Lead-Patented Hypoeutectoid Steel Wire

机译：纳米珠光铅共析钢丝中层间间距的优化

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摘要

In this study, in order to optimize the interlamellar spacing prior to drawing operation in a nanopearlitic lead patented hypoeutectoid steel wire, a model based on finite element method is presented to predict the optimum immersion time in a lead bath. A typical suitable immersion time for the wire with 1.8 mm diameter is about 10 s. The austenitizing and quenching temperature for a wire with diameter of 1.8 mm and composition of 0.72% C, to obtain the lowest interlamellar spacing (i.e., 29 nm), are 910 and 510 ℃, respectively. The hardness and the yield strength of the steel wire followed a linear relationship with the inverse square root of the interlamellar spacing (S~(-1/2)). Pearlite interlamellar spacing obtained after patenting treatment, was decreased by increasing the amount of prior deformation.
机译：在这项研究中，为了优化纳米珠铅专利次共析钢丝中拉丝操作之前的层间间距，提出了一种基于有限元方法的模型来预测铅浴中的最佳浸入时间。对于直径为1.8 mm的导线，典型的合适浸入时间约为10 s。为了获得最低的层间间距（即29nm），直径为1.8mm且组成为0.72％C的线的奥氏体化和淬火温度分别为910℃和510℃。钢丝的硬度和屈服强度与层间间距的平方根成反比（S〜（-1/2））。专利处理后获得的珠光体层间间距通过增加先前的变形量而减小。

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