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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials Pt.4; Jul 7-11, 2003; Leganes, Madrid, Spain >Textures Development in Cold-Worked Ferrite-Pearlite Steels by Drawing to Moderate Reductions
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Textures Development in Cold-Worked Ferrite-Pearlite Steels by Drawing to Moderate Reductions

机译：通过适度减少还原量来开发冷加工铁素体-珠光体钢的织构

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摘要

The authors present textures of 0.18 and 0.43% C steels developed during a single pass through different dies by drawing to a maximum of 23.9% and 27.6% reduction in diameter, respectively. The orientation density function (ODF) were estimated from pole figures (X-ray diffraction) for different drawing levels at 1/2 diameter. For both steels, the ODF show a low level texture even for the highest deformation levels. The 0.18% C steel exhibits higher crystal orientation than the 0.43% C steel. The study of the crystal orientation density, f(g), reveals an increase of the density values for the components with <110> parallel to the drawing direction. The calculated volume fraction of each texture component, Fv, indicates an increase of the α-fibre, while γ-fibre remains constant and ε-fibre tends to decrease. The analysis of texture evolution with the highest f(g) in the ODF obtained at the surface and at the 1/2 diameter in 0.18% C steel with the maximum drawing level indicates meaningful changes in intensity and also in the peaks localization, due to the presence of an inhomogeneous texture produced by plastic anisotropy across depth level of the drawn profile.
机译：作者介绍了在一次通过不同模具的过程中所产生的0.18％和0.43％碳钢的织构，其最大拉深直径分别为23.9％和27.6％。根据极图（X射线衍射），以1/2直径的不同拉伸水平估算了定向密度函数（ODF）。对于两种钢，即使在最高变形水平下，ODF也会显示出低水平的织构。 0.18％C的钢比0.43％C的钢具有更高的晶体取向。对晶体取向密度f（g）的研究表明，<110>平行于拉伸方向的组分的密度值增加了。计算出的每个纹理成分的体积分数Fv表示α纤维增加，而γ纤维保持恒定，而ε纤维趋于减少。在0.18％C钢中，在最大拉深水平下，在表面和1/2直径处获得的ODF中具有最高f（g）的织构演变分析表明强度的显着变化以及峰的局部化是由于在绘制轮廓的深度级别上存在由塑性各向异性产生的不均匀纹理。

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