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一種5083鋁合金中晶界面熱軋織構(gòu)的研究
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北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院

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Characterizing the Hot-rolled Textures in a 5083 Aluminum Alloy
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College of Materials Science and Engineering,Beijing University of Technology,Beijing

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    摘要:

    通過(guò)電子背散射衍射技術(shù),測(cè)定了一種5083鋁合金中的熱軋織構(gòu)。結(jié)果表明:在結(jié)構(gòu)中的不同位置,織構(gòu)組分呈現(xiàn)非均勻發(fā)展的特點(diǎn),特別地,晶界面亦呈現(xiàn)取向織構(gòu)。在樣品的中心位置,晶界面趨向于{111}取向,且其數(shù)量高出隨機(jī)晶界50%;同時(shí),在樣品的邊緣位置,晶界面趨向于{110}與{112} 取向,且其數(shù)量高出隨機(jī)晶界28%。更具體地,小角和大角晶界中均呈現(xiàn)這種晶界面的各向異性分布。

    Abstract:

    The hot-rolled textures in a 5083 aluminum alloy were measured by electron backscattered diffraction technique, and the results show that rolling texture components are developed unequally at different locations, moreover, grain boundary planes are also textured. Grain boundary planes favor the {111} orientation at the center of the specimen, and their population is 50% higher than the random distribution case, whereas grain boundary planes favor the {110} and {112} orientations on the surface of the specimen, and their population is 28% higher than the random distribution case. Moreover, this anisotropic distribution of grain boundary planes occurs at both low and high angle boundaries.

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原效坤,崔麗.一種5083鋁合金中晶界面熱軋織構(gòu)的研究[J].稀有金屬材料與工程,2019,48(9):2768~2772.[Xiaokun Yuan, Li Cui. Characterizing the Hot-rolled Textures in a 5083 Aluminum Alloy[J]. Rare Metal Materials and Engineering,2019,48(9):2768~2772.]
DOI:10.12442/j. issn.1002-185X.20180316

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  • 收稿日期:2018-04-02
  • 最后修改日期:2018-04-14
  • 錄用日期:2018-06-27
  • 在線發(fā)布日期: 2019-10-09
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