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Effect of Warm Rolling on the Rolling and Recrystallization Textures of Non-oriented 3% Si Steel

机译:温轧对3%Si无取向钢轧制和再结晶织构的影响

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The effect of warm rolling in the 50°C–300°C temperature range on the microstructure, stored energy and crystallographic texture of a 3 mass-% Si steel was analyzed. Both rolling and annealing texture were significantly affected by warm rolling. Dynamic strain aging (DSA) was observed in the temperature range 150°C–300°C. The stored energy, E~(S)_( ), of || ND oriented grains in the steel warm rolled at 200°C was found to decrease in the following order: E~(S)_( ) > E~(S)_( ) E~(S)_( )≥ E~(S)_( ). A pronounced {110} recrystallization annealing texture was observed in specimens warm rolled in the DSA temperature range. The effect is due to the formation of {110} oriented nuclei in deformation bands occurring in || ND oriented grains after warm rolling. The deformation bands are believed to be caused by the strain localization associated with dynamic strain ageing.
机译:分析了在50°C–300°C温度范围内热轧对3质量%Si钢的组织,储能和晶体织构的影响。热轧对轧制和​​退火织构都有显着影响。在150°C–300°C的温度范围内观察到动态应变时效(DSA)。 ||的存储能量E〜(S)_()发现在200°C热轧钢中ND取向晶粒按以下顺序减小:E〜(S)_()> E〜(S)_() E〜(S)_()≥E 〜(S)_()。在DSA温度范围内热轧的试样中观察到了明显的{110}再结晶退火织构。该效果是由于在||中出现的变形带中形成了{110}取向的核。热轧后,ND取向晶粒。变形带被认为是由与动态应变老化相关的应变局部化引起的。

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