| 汽车零件半固态流变成形工艺研究 |
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| 引用本文： | 史立峰,王平,崔建忠. 汽车零件半固态流变成形工艺研究[J]. 铸造技术, 2012, 33(4): 442-444 |
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| 作者姓名： | 史立峰 王平 崔建忠 |
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| 作者单位： | 1. 辽宁装备制造职业技术学院 塑性成形系,辽宁 沈阳,110161
2. 东北大学 材料电磁过程研究教育部重点实验室,辽宁 沈阳,110004 |
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| 基金项目： | 辽宁省自然科学基金资助项目(20082036) |
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| 摘 要： | 研究了汽车零件半固态流变成形工艺,包括制备半固态浆料和流变压铸成形.结果表明,对于ZL201合金,在液相线温度附近(650℃)施加电流为300A,频率为50 Hz的电磁场搅拌,能够获得均匀、细小、近球形非枝晶组织的半固态浆料；对于实验零件,当模具冲头的速度为0.01 m/s时,半固态浆料充型平稳,能够获得完整、轮廓清晰、内部组织致密的零件.
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| 关 键 词： | 汽车零件 半固态 浆料制备 流变成形 |
Research on Semi-solid Rheoforming Process for Auto Parts |
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| SHI Li-feng , WANG Ping , CUI Jian-zhong. Research on Semi-solid Rheoforming Process for Auto Parts[J]. Foundry Technology, 2012, 33(4): 442-444 |
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| Authors: | SHI Li-feng WANG Ping CUI Jian-zhong |
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| Affiliation: | 1.Department of Forming Technology,Liaoning Equipment Manufacture College of Vocational Technology,Shenyang 110161,China;2.The Key Laboratory of Education Ministry for Electromagnetic Processing of Materials,Northeastern University,Shenyang 110004,China) |
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| Abstract: | The semi-solid rheoforming process for auto parts was studied,including semi-solid slurry preparation and rheo-diecasting.The results show that the microstructures of semi-solid slurry of ZL201 alloy are uniform,fine,near-spherical and non-dentritic under the action of the 300 A/50 Hz electromagnetic field when the temperature of the slurry is at about liquidus temperature of 650 ℃.When the punch speed is 0.01 m/s,the semi-solid slurry flows smoothly,and the experimental parts with integral and clear contour can be obtained. |
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| Keywords: | auto parts semi-solid slurry preparation rheoforming |
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