| BEHAVIOR OF Mg AND ITS EFFECT ON MECHANICAL PROPERTIES OF CAST Fe_3Al ALLOYS |
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| 引用本文： | YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China. BEHAVIOR OF Mg AND ITS EFFECT ON MECHANICAL PROPERTIES OF CAST Fe_3Al ALLOYS[J]. 金属学报(英文版), 1993, 6(6): 353-357 |
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| 作者姓名： | YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research Academia Sinica Shenyang China professor Institute of Metal Research Academia Sinica Shenyang 110015 China |
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| 作者单位： | YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research，Academia Sinica，Shenyang，China professor，Institute of Metal Research，Academia Sinica，Shenyang 110015，China |
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| 摘 要： | Proper addition of 0.002 wt-% Mg to cast Fe_3Al alloy may obviously improve the room andhigh temperature tensile properties.Auger spectra show that Mg segregates near grainboundaries as very thin layers.Observation under TEM reveals that a suitable amount of Mgenhances ability of cooperative internal deformation so that the dislocations will ease the con-tinuous slip deformation through grain boundaries.The fracture feature of Fe_3Al alloy is oftransgranular cleavage at room temperature and cracks initiate at grain boundaries.
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| 收稿时间： | 1993-12-25 |
| 修稿时间： | 1993-12-25 |
BEHAVIOR OF Mg AND ITS EFFECT ON MECHANICAL PROPERTIES OF CAST Fe_3Al ALLOYS |
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| YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China professor. BEHAVIOR OF Mg AND ITS EFFECT ON MECHANICAL PROPERTIES OF CAST Fe_3Al ALLOYS[J]. Acta Metallurgica Sinica(English Letters), 1993, 6(6): 353-357 |
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| Authors: | YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research Academia Sinica Shenyang China professor |
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| Affiliation: | YIN Weimin GUO Yianting HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China professor,Institute of Metal Research,Academia Sinica,Shenyang,China |
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| Abstract: | Proper addition of 0.002 wt-% Mg to cast Fe_3Al alloy may obviously improve the room and high temperature tensile properties.Auger spectra show that Mg segregates near grain boundaries as very thin layers.Observation under TEM reveals that a suitable amount of Mg enhances ability of cooperative internal deformation so that the dislocations will ease the con- tinuous slip deformation through grain boundaries.The fracture feature of Fe_3Al alloy is of transgranular cleavage at room temperature and cracks initiate at grain boundaries. |
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| Keywords: | Fe_3Al intermetallic compound microalloying mechanical property |
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