| AlSi7Mg枝晶合金半固态加热时的组织演变 |
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| 引用本文： | 毛卫民, 钟雪友, 王华宇. AlSi7Mg枝晶合金半固态加热时的组织演变[J]. 工程科学学报, 1998, 20(3): 258-261. DOI: 10.13374/j.issn1001-053x.1998.03.033 |
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| 作者姓名： | 毛卫民 钟雪友 王华宇 |
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| 摘 要： | 利用电阻炉研究了AlSi7Mg 枝晶合金半固态加热时的组织演变.研究表明:在(589~597±1)℃下,保温5~120min,初生α枝晶难以完全转化为球状的α相;在较高的半固态加热温度下,若保温时间过长,试样会存在不同程度的变形.
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| 关 键 词： | AlSi7Mg 重熔 枝晶 |
| 收稿时间： | 1997-10-15 |
Microstructral Evolution of the Dendritic AlSi7Mg Alloy during Semi-solid Remelting |
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| Mao Weimin, Zhong Xueyou, Wang Huayu. Microstructral Evolution of the Dendritic AlSi7Mg Alloy during Semi-solid Remelting[J]. Chinese Journal of Engineering, 1998, 20(3): 258-261. DOI: 10.13374/j.issn1001-053x.1998.03.033 |
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| Authors: | Mao Weimin Zhong Xueyou Wang Huayu |
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| Abstract: | The microstructural evolution during partial remelting of dendritic AlSi Mg alloys was studied with the help of an electrical furnace. The results show that it is diffi-cult to change all the primary α dendrites into the spheroidal α phases, when the dendritic samples of AlSi7Mg alloy are remelted under 589 or (597±1)℃ and held on this condition for 5 to 120 min. The results also show that the samples remelted can be deformed under the heavy force, if the holding time is longer under higher temperature. |
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| Keywords: | AlSi7Mg remelting dendrit |
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