冷轧UNS s31803双相不锈钢的磁性和显微组织表征

C.S.P. Mendonça, V.D. de Oliveira, V.A.S. Ribeiro, A.F. Oliveira, M.R. da Silva, C.A. Rodrigues, M.L.N.M Melo
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引用次数: 2

摘要

双相不锈钢具有良好的机械性能和耐腐蚀性能。这些性能依赖于两相混合化合物来产生铁素体和奥氏体相近似相等的微观结构。本研究中使用的样品根据其厚度分别进行了20%、40%、60%和80%的冷轧变形。利用振动样品磁强计(VSM)、x射线衍射仪(XRD)和光学显微镜对轧制样品进行了表征。结果表明,冷轧后40%、60%和80%的饱和磁化强度比冷轧后20%的饱和磁化强度高,这可能是由于应变诱发马氏体的形成所致。可以看出,随着变形程度的增加,铁磁镜计算出的铁磁相量有减小的趋势。冷轧引起的变形使材料的衍射峰、力学性能和磁性能发生显著变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Magnetic and microstructural characterization of cold rolled UNS S31803duplex stainless steel

Duplex stainless steel presents an attractive combination of mechanical properties and resistance to corrosion. These properties rely on a two-phase mixture compound to produce a microstructure that is approximately equal for the ferritic and austenitic phases. The samples used in this study were cold rolled to degrees of deformation of 20%, 40%, 60% and 80% according to their thickness. The vibrating sample magnetometer (VSM), X-ray diffraction (XRD), and optical microscopy were used to characterize the rolled samples. It was observed that the cold rolled samples of 40%, 60% and 80% showed an increase in saturation magnetization compared to the samples of as received and cold rolled of 20%, and this probably occurred because of the formation of strain-induced martensite. It can be seen that the amount of the ferromagnetic phase calculated by ferritoscope tends to decrease with an increasing degree of deformation. The deformation caused by cold rolling resulted in a significant change in diffraction peaks and the mechanical and magnetic properties.

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