粗晶Fe<sub>3</sub>Al基合金在高溫變形時顯微組織演變機制

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粗晶Fe₃Al基合金在高溫變形時顯微組織演變機制

王飛, 李龍飛, 楊王玥, 孫祖慶

文章導航 > 工程科學學報 > 2007 > 29(10): 994-998

王飛, 李龍飛, 楊王玥, 孫祖慶. 粗晶Fe3Al基合金在高溫變形時顯微組織演變機制[J]. 工程科學學報, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

引用本文:

王飛, 李龍飛, 楊王玥, 孫祖慶. 粗晶Fe₃Al基合金在高溫變形時顯微組織演變機制[J]. 工程科學學報, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

WANG Fei, LI Longfei, YANG Wangyue, SUN Zuqing. Microstructure evolution of a Fe3Al-based alloy with coarse initial grains deformed at elevated temperature[J]. Chinese Journal of Engineering, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

Citation:

WANG Fei, LI Longfei, YANG Wangyue, SUN Zuqing. Microstructure evolution of a Fe₃Al-based alloy with coarse initial grains deformed at elevated temperature[J]. Chinese Journal of Engineering, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

王飛, 李龍飛, 楊王玥, 孫祖慶. 粗晶Fe3Al基合金在高溫變形時顯微組織演變機制[J]. 工程科學學報, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

引用本文:

王飛, 李龍飛, 楊王玥, 孫祖慶. 粗晶Fe₃Al基合金在高溫變形時顯微組織演變機制[J]. 工程科學學報, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

WANG Fei, LI Longfei, YANG Wangyue, SUN Zuqing. Microstructure evolution of a Fe3Al-based alloy with coarse initial grains deformed at elevated temperature[J]. Chinese Journal of Engineering, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

Citation:

WANG Fei, LI Longfei, YANG Wangyue, SUN Zuqing. Microstructure evolution of a Fe₃Al-based alloy with coarse initial grains deformed at elevated temperature[J]. Chinese Journal of Engineering, 2007, 29(10): 994-998. doi: 10.13374/j.issn1001-053x.2007.10.008

粗晶Fe₃Al基合金在高溫變形時顯微組織演變機制

doi: 10.13374/j.issn1001-053x.2007.10.008

1. 北京科技大學新金屬材料國家重點實驗室, 北京 100083;
2. 北京科技大學材料科學與工程學院, 北京 100083

作者簡介:
王飛(1981-),男,碩士研究生;孫祖慶(1944-),男,教授,博士

中圖分類號: TG111.7;TG141
計量
- 文章訪問數: 158
- HTML全文瀏覽量: 68
- PDF下載量: 7
- 被引次數: 0
出版歷程
- 收稿日期: 2006-04-25
- 修回日期: 2006-08-10
- 網絡出版日期: 2021-08-16

Microstructure evolution of a Fe₃Al-based alloy with coarse initial grains deformed at elevated temperature

1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;
2. Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

摘要: 采用Gleeble 1500型熱模擬試驗機進行單軸壓縮實驗,研究了Fe₃Al基合金在溫度為850℃、應變速率為10^-3s^-1條件下的組織演變.結果表明:在本實驗變形條件下,Fe₃Al基合金能夠發生動態再結晶.變形初期,Fe₃Al可以通過晶界弓彎機制形成動態再結晶核心,即發生了不連續動態再結晶現象,但再結晶核心不易長大.隨著應變量的增加,通過連續動態再結晶形成一定量的再結晶細小晶粒.
- Fe₃Al基合金 /
- 動態再結晶 /
- 弓彎 /
- 動態回復 /
- 亞結構
Abstract: The microstructure evolution of a Fe₃Al-based alloy was investigated by uniaxial compression tests on a Gleeble 1500 hot simulation test machine at 850℃ and a strain rate of 10^-3s^-1. The results indicated that under the present deformation conditions the dynamic recrystallization of the Fe₃Al-based alloy occurred. At low strain, the nuclei of dynamic recrystallization formed by bulging of initial grain boundaries, i.e. discontinuous dynamic recrystallization occurred; but the growth of the nuclei became more difficult with increasing strain. At large strain, finer dynamic recrvstallized grains formed by the process of continuous dynamic recrystallization.
- Fe₃Al-based alloys /
- dynamic recrystallization /
- bulging /
- dynamic recovery /
- substructure

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