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首页> 外文期刊>Materials Science and Technology: MST: A publication of the Institute of Metals >Short communication transformation textures in new ultrahigh strength hot rolled microalloyed steel
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Short communication transformation textures in new ultrahigh strength hot rolled microalloyed steel

机译:新型超高强度热轧微合金钢的短时通讯转变织构

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摘要

Texture development during thermomechanical processing of a newly developed ultrahigh strength microalloyed steel was investigated, with particular attention to through thickness texture gradient. A considerable texture gradient was evident, particularly in the 1/2 depth compared to the other three positions (surface, 1/8 depth, 1/4 depth). The most intense deformation texture at all depths was {113}<110>, which was also more prevalent at the centre than elsewhere, implying an overall dominance of {112} <111> in the deformed austenite during hot rolling. The recrystallisation texture of austenite, {100} <001>, transformed into {100} <011> component in the ferrite indicated an increase in intensity with increase in depth. The {100} <011> type of texture has an undesirable effect on the delamination behaviour of steels. However, the centre and 1/4 depth contained considerable intensity of the desired texture, {332} <113>, which offsets the undesired {100} <011> texture.
机译:研究了一种新开发的超高强度微合金钢在热机械加工过程中的织构发展,特别关注了贯穿厚度的织构梯度。明显的纹理梯度非常明显,特别是在与其他三个位置(表面,1/8深度,1/4深度)相比的1/2深度中。在所有深度处,最强烈的变形织构为{113} <110>,在中央也比其他地方更为普遍,这意味着在热轧过程中,变形奥氏体中{112} <111>的总体优势。在铁素体中转变成{100} <011>成分的奥氏体{100} <001>的重结晶织构表明强度随深度的增加而增加。 {100} <011>类型的织构对钢的分层行为具有不良影响。但是,中心和1/4深度包含所需纹理{332} <113>的相当大的强度,该强度抵消了不希望的{100} <011>纹理。

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