急冷Al-Mn合金中準晶相的形態和化學組成

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急冷Al-Mn合金中準晶相的形態和化學組成

苗柏和, 楊國斌, 李萬通, 李曉峰, 周玉清

文章導航 > 工程科學學報 > 1986 > 8(4): 13-17

苗柏和, 楊國斌, 李萬通, 李曉峰, 周玉清. 急冷Al-Mn合金中準晶相的形態和化學組成[J]. 工程科學學報, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

引用本文:

苗柏和, 楊國斌, 李萬通, 李曉峰, 周玉清. 急冷Al-Mn合金中準晶相的形態和化學組成[J]. 工程科學學報, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

Miao Bohe, Yang Guobin, Li Wantong, Li Xiaofeng, Zhou Yuqing. Morphology and Stoichiometry of Quasicrystal in Rapidly Solidified Al-Mn Alloy[J]. Chinese Journal of Engineering, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

Citation:

Miao Bohe, Yang Guobin, Li Wantong, Li Xiaofeng, Zhou Yuqing. Morphology and Stoichiometry of Quasicrystal in Rapidly Solidified Al-Mn Alloy[J]. Chinese Journal of Engineering, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

苗柏和, 楊國斌, 李萬通, 李曉峰, 周玉清. 急冷Al-Mn合金中準晶相的形態和化學組成[J]. 工程科學學報, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

引用本文:

苗柏和, 楊國斌, 李萬通, 李曉峰, 周玉清. 急冷Al-Mn合金中準晶相的形態和化學組成[J]. 工程科學學報, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

Miao Bohe, Yang Guobin, Li Wantong, Li Xiaofeng, Zhou Yuqing. Morphology and Stoichiometry of Quasicrystal in Rapidly Solidified Al-Mn Alloy[J]. Chinese Journal of Engineering, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

Citation:

Miao Bohe, Yang Guobin, Li Wantong, Li Xiaofeng, Zhou Yuqing. Morphology and Stoichiometry of Quasicrystal in Rapidly Solidified Al-Mn Alloy[J]. Chinese Journal of Engineering, 1986, 8(4): 13-17. doi: 10.13374/j.issn1001-053x.1986.04.022

急冷Al-Mn合金中準晶相的形態和化學組成

doi: 10.13374/j.issn1001-053x.1986.04.022

1. 金屬材料系;
2. 物構中心;
3. 科學院物理所

計量
- 文章訪問數: 204
- HTML全文瀏覽量: 69
- PDF下載量: 14
- 被引次數: 0
出版歷程
- 收稿日期: 1986-04-21
- 網絡出版日期: 2021-11-15

Morphology and Stoichiometry of Quasicrystal in Rapidly Solidified Al-Mn Alloy

摘要: 使用透射式電子顯微鏡(TEM)觀察了Al-12Mn和Al-10Mn-2Fe合金中準晶相的顯微形態,選區電子衍射(SAD)做結構分析,用TEM的能譜附件(EDXS)分析準晶相的化學成分。結果表明,典型的準晶相具有菊花狀形態,其當量組成非常接近Al₄Mn,準晶相的形態表明它的形成長大機制可能介于非晶和晶體之間;而且,鐵的加入促進了合金中準晶相的形成。
- 準晶相 /
- 化學當量組成 /
- 形態 /
- 能量色散X-線譜儀 /
- 透射式電子顯微鏡 /
- 選區電子衍射 /
- 原子吸收光譜
Abstract: Chrysanthemum-like morphology of quasicrystal with long-range orientational order and no translational symmetry in rapidly solidified Al-12 at%Mn and Al-10 at% Mn-2 at%Fe alloys, is observed by the Hitachi-800 TEM. This result shows that the growth of quasicrystal exhibits a mechanism in between those of noncrystalline and crystalline.The Hitachi-800 EDXS has shown that the stoichiometry of the Al-Mn quasicrystal is very close to Al₄Mn₆More-over, formation of quasicrystals in Al-Mn alloy is promorted by adding Feto the alloy.
- quasicrystal /
- stoichiometry /
- morphology /
- EDXS /
- TEM /
- SAD /
- AAS

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PDF下載量: 14
被引次數: 0

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