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首页> 外文期刊>Materials Science and Technology: MST: A publication of the Institute of Metals >Evolution of textures in hot rolled Nb-Ti and V-Nb microalloyed steels
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Evolution of textures in hot rolled Nb-Ti and V-Nb microalloyed steels

机译:热轧Nb-Ti和V-Nb微合金钢中织构的演变

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摘要

A considerable texture gradient in the through thickness direction was observed during hot rolling of Nb - Ti and V - Nb microalloyed steels. The most intense deformation texture for Nb - Ti steels was {113} <110> at all depths, whereas for V - Nb steels the plane w-as shifted to {115} <110>; the angular difference between {113} and {115} is about a degree. The recrystallisation texture of austenite, {100} <001>, transformed into {100} <011> component in the ferrite and indicated an increase in the intensity with increase in depth for both Nb - Ti and V - Nb steels. However, the intensity of this {100} <011> texture was less for Nb - Ti steels compared to V - Nb steels at all depths. The reduced intensity of {100} <011> texture in Nb - Ti steels is likely to be the reason for the superior formability and improved toughness of Nb-Ti steels as compared with V-Nb steels. The {100}<011> type of texture has an undesirable effect on the edge formability of steels.
机译:在Nb-Ti和V-Nb微合金钢的热轧过程中,观察到了贯穿厚度方向的明显纹理梯度。 Nb-Ti钢最强烈的变形织构在所有深度均为{113} <110>,而V-Nb钢的w平面移至{115} <110>。 {113}和{115}之间的角度差约为一个度。奥氏体{100} <001>的再结晶织构转变为铁素体中的{100} <011>组分,并且表明Nb-Ti和V-Nb钢的强度均随深度的增加而增加。但是,与所有深度的V-Nb钢相比,Nb-Ti钢的{100} <011>织构的强度较小。与V-Nb钢相比,Nb-Ti钢中{100} <011>织构强度的降低很可能是Nb-Ti钢具有出色的可成形性和韧性的原因。 {100} <011>类型的织构对钢的边缘可成形性产生不良影响。

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