| 锌合金的液态模锻强化 |
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| 引用本文： | 齐乐华,李贺军,罗守靖. 锌合金的液态模锻强化[J]. 材料研究学报, 1997, 11(2): 178-182 |
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| 作者姓名： | 齐乐华 李贺军 罗守靖 |
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| 作者单位： | [1]西北工业大学 [2]哈尔滨工业大学 |
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| 摘 要： | 利用ＳＥＭ，ＴＥＭ，ＸＲＤ及能谱分析研究了铸态和液态模锻ＺＡ１２，ＺＡ２７合金的显微组织，结构表明液态模锻不仅使晶粒细化，还具有固 化和弥散强韧化效应，富铝α相中Ｃｕ增多，断口形貌转变为韧性断口。
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| 关 键 词： | 液态模锻 锌合金 强韧化机理 |
| 收稿时间： | 1997-04-25 |
| 修稿时间： | 1997-04-25 |
MICROANALYSIS ON THE STRENGTHENING MECHANISM OF ZINC BASE ALLOY PREPARED BY LIQUID METAL FORGING |
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| QI Lehua,LI Hejun LUO Shouting. MICROANALYSIS ON THE STRENGTHENING MECHANISM OF ZINC BASE ALLOY PREPARED BY LIQUID METAL FORGING[J]. Chinese Journal of Materials Research, 1997, 11(2): 178-182 |
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| Authors: | QI Lehua LI Hejun LUO Shouting |
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| Affiliation: | QI Lehua; LI Hejun (Northwestern Polytechnical University)LUO Shouting (Harbin Institute of Technology) |
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| Abstract: | The microstructure and phase constituents of ZA12 and ZA27 alloy prepared by casting and liquid metal forging process have been comparatively researched by means of SEM, TEM, XRD and energy spectrum analyses. The results show that the microstructure has been changed a lot by using the liquid metal forging process. The crystal grains of the tested alloys are fined and the dendritic interval is reduced. The copper content in the aluminium--rich phase has been increased and the effect of solution strengthening and dispersion strengthening on the structure is obvious. The fractograph is transformed from a brittle one into a tough one. |
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| Keywords: | liquid metal forging zinc base alloy strengthening mechanism |
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