γ-TiAl基兩相合金中非平衡片層組織的熱穩定性

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γ-TiAl基兩相合金中非平衡片層組織的熱穩定性

張立春, 王金國, 陳國良, 葉恒強

文章導航 > 工程科學學報 > 1997 > 19(1): 79-84

張立春, 王金國, 陳國良, 葉恒強. γ-TiAl基兩相合金中非平衡片層組織的熱穩定性[J]. 工程科學學報, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

引用本文:

張立春, 王金國, 陳國良, 葉恒強. γ-TiAl基兩相合金中非平衡片層組織的熱穩定性[J]. 工程科學學報, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

Zhang Lichun, Wang Jinguo, Chen Guoliang, Ye Hengqiang. Thermal Stability of Nonequilibrium Lamellar Structure in γ-TiAl-based Two-phase Alloy[J]. Chinese Journal of Engineering, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

Citation:

Zhang Lichun, Wang Jinguo, Chen Guoliang, Ye Hengqiang. Thermal Stability of Nonequilibrium Lamellar Structure in γ-TiAl-based Two-phase Alloy[J]. Chinese Journal of Engineering, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

張立春, 王金國, 陳國良, 葉恒強. γ-TiAl基兩相合金中非平衡片層組織的熱穩定性[J]. 工程科學學報, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

引用本文:

張立春, 王金國, 陳國良, 葉恒強. γ-TiAl基兩相合金中非平衡片層組織的熱穩定性[J]. 工程科學學報, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

Zhang Lichun, Wang Jinguo, Chen Guoliang, Ye Hengqiang. Thermal Stability of Nonequilibrium Lamellar Structure in γ-TiAl-based Two-phase Alloy[J]. Chinese Journal of Engineering, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

Citation:

Zhang Lichun, Wang Jinguo, Chen Guoliang, Ye Hengqiang. Thermal Stability of Nonequilibrium Lamellar Structure in γ-TiAl-based Two-phase Alloy[J]. Chinese Journal of Engineering, 1997, 19(1): 79-84. doi: 10.13374/j.issn1001-053x.1997.01.016

γ-TiAl基兩相合金中非平衡片層組織的熱穩定性

doi: 10.13374/j.issn1001-053x.1997.01.016

1. 北京科技大學新金屬材料國家重點實驗室, 北京 100083;
2. 中國科學院金屬研究所固體原子像開放實驗室, 沈陽

基金項目:

國家自然科學基金

作者簡介:
張立春男 28歲博士

中圖分類號: TG454
計量
- 文章訪問數: 232
- HTML全文瀏覽量: 78
- PDF下載量: 6
- 被引次數: 0
出版歷程
- 收稿日期: 1996-11-12
- 網絡出版日期: 2021-08-27

Thermal Stability of Nonequilibrium Lamellar Structure in γ-TiAl-based Two-phase Alloy

1. State Key Laboratory for Advanced Metals and Materials, UST Beijing, Beijing 100083, China;
2. Laboratory of Atomic Imaging of Solids, Institute of Metal Research, Academia Sinica, Shenyang 110015, China

摘要: 利用常規電鏡及高分辨電鏡等方法,研究了熱鍛Ti-45Al-8Nb-2.5Mn-0.05B合金中具有較高應變能的非平衡片層界面,在隨后的800℃,15min與1000℃,4min退火過程中的結構變化.這些結構松弛主要有:片層界面趨于更加彎曲,α₂片層的縮頸與球化和γ片層中形成許多小角度晶界等.
- α₂/兩相合金 /
- 鈦鋁合金 /
- 非平衡片層組織 /
- 兩相合金
Abstract: The structural changes of nonequilibrium interlamellar boundaries with a relatively high strain energy during subsequent 800℃, 15 min, WQ and 1000℃, 4 min, WQ annealing were studied by the conventional and high resolution transmission electron microscopy in the hot-forged Ti-45Al-8Nb-2.5Mn-0.05B alloy. The structural relaxations are mainly as following:further bending of interlamellar boundaries, necking and spheroidization process of α₂ plates, formation of subgrain boundaries within γ plates, etc..
- α₂/γ,γ/γ interlamellar boundary /
- necking /
- spheroidization /
- subgrain boundary

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文章訪問數: 232
HTML全文瀏覽量: 78
PDF下載量: 6
被引次數: 0

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