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退火對(duì)AZ31鎂合金微觀組織和力學(xué)各向異性的影響
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太原理工大學(xué) 材料科學(xué)與工程學(xué)院

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TG146.2

基金項(xiàng)目:

山西省重大專項(xiàng)項(xiàng)目（項(xiàng)目號(hào)20181101008），山西省應(yīng)用基礎(chǔ)面上青年基金項(xiàng)目（項(xiàng)目號(hào)201801D221101），國家自然科學(xué)基金（U1710254，51175363、51274149），山西能源學(xué)院院基金（No. ZY-2017003）


Effect of Annealing on Microstructure and Mechanical Anisotropy of AZ31 Magnesium Alloy
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    摘要:

    本文對(duì)AZ31鎂合金進(jìn)行軋制并對(duì)軋制后的板材進(jìn)行退火。采用OM、SEM及EBSD觀察并分析了軋制及退火態(tài)鎂合金板的微觀形貌及取向狀態(tài),分析退火對(duì)各向異性的影響。結(jié)果表明：軋制后鎂合金存在著明顯的各向異性,經(jīng)退火后,鎂合金不同取向的基面織構(gòu)強(qiáng)度差異減小,其抗拉強(qiáng)度、屈服強(qiáng)度尤其在延伸率方面的各向異性指數(shù)遠(yuǎn)小于軋制態(tài)下的各向異性指數(shù),說明退火可以改善鎂合金的各向異性。

    Abstract:

    AZ31 magnesium alloy was rolled and annealed after rolling in this work. The anisotropy of magnesium plate in rolling state and annealed state was studied, and the effect of annealing on anisotropy was analyzed. The results showed that rolled magnesium alloys was anisotropic visibly and the difference of texture strength between different orientations of magnesium alloys decreased after annealing. The tensile strength, yield strength and elongation anisotropy index of annealed state magnesium plate were smaller than that of rolling state magnesium, especially in elongation, which displays that annealing can improve the anisotropy of Mg alloys .

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米玉潔,李線絨,聶慧慧,王韜略,梁偉.退火對(duì)AZ31鎂合金微觀組織和力學(xué)各向異性的影響[J].稀有金屬材料與工程,2020,49(1):320~324.[MI Yujie, LI Xianrong, NIE Huihui, WANG Taolve, LIANG Wei. Effect of Annealing on Microstructure and Mechanical Anisotropy of AZ31 Magnesium Alloy[J]. Rare Metal Materials and Engineering,2020,49(1):320~324.]
DOI：10.12442/j. issn.1002-185X.20181253

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  • 收稿日期:2018-12-17
  • 最后修改日期:2019-02-06
  • 錄用日期:2019-03-14
  • 在線發(fā)布日期: 2020-02-16
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