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热轧变形对TB-13合金组织和织构的影响
发布人：上海艾荔艾金属材料有限公司www.shailiai.com
更新时间：2015-12-27
采用光学显微镜和X射线衍射仪分析TB-13合金在不同热轧变形条件下组织和织构的演变规律。
热轧变形对TB-13合金组织和织构的影响Influence of hot rolling deformation on microstructure and texture of TB-13 alloy
采用光学显微镜和X射线衍射仪分析TB-13合金在不同热轧变形条件下组织和织构的演变规律。结果表明：TB-13合金在变形量小于50%的热轧过程中只发生动态回复，当变形量增加到59%时，该合金发生动态再结晶，且随着变形量的增加，动态再结晶程度逐渐增大，细小的再结晶亚晶粒逐渐取代原始等轴状β晶粒从而使组织细化，动态再结晶是该合金热轧过程中主要的细化机制。同时，热轧变形使得该合金形成以旋转立方取向{001}＜110＞织构和Goss取向{110}＜001＞织构为主的多种织构，且随着变形量的增大，晶粒取向由Goss取向向旋转立方取向转移。
The evolutions of microstructure and texture for TB-13 alloy during hot rolling were investigated by optical microscopy and X-ray diffracometry. The results show that the deformation mechanism is dynamic recovery in TB-13 alloy when the deformation reduction is less than 50%. When the deformation reduction is 59%, dynamic recrystallization occurs and the volume fraction of dynamic recrystallization increases with the increase of the deformation reduction. The equiaxed β grains are substituted for the recrystal grains, which leads to microstructure refinement. This indicates that the refinement mechanism is dynamic recrystallization. The main texture components of TB-13 alloy after hot rolling deformation are {001} ＜110＞ and {110} ＜001＞ textures. The orientation of grain changes from Goss orientation to rotating cube orientation when the deformation reduction increases.
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AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.
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