| 半固态流变模锻工艺参数对铝合金制件质量的影响 |
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| 引用本文： | 肖黎明,张励忠,张密兰,胡远猛,李海开,韩淑霞.半固态流变模锻工艺参数对铝合金制件质量的影响[J].轻合金加工技术,2006,34(6):15-18,21. |
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| 作者姓名： | 肖黎明 张励忠 张密兰 胡远猛 李海开 韩淑霞 |
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| 作者单位： | 北京交通大学,机械与电子控制工程学院半固态成形研究中心,北京,100044 |
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| 摘 要： | 分析半固态流变模锻技术的工艺过程及其特点，指出影响铝合金性能的工艺参数主要有：浇注温度、模锻比压、模锻速度、保压时间、模具温度。根据有关试验结果，归纳出采用半固态流变模锻工艺生产的铝合金可能出现的缺陷有：裂纹、冷隔、型腔充填不满、皮下针孔、疏松、缩孔、气孔。针对这些缺陷提出了相应的预防措施。
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| 关 键 词： | 半固态流变模锻 半固态浆料 工艺参数 预防 缺陷 |
| 文章编号： | 1007-7235（2006）06-0015-04 |
| 收稿时间： | 2005-11-12 |
| 修稿时间： | 2005-11-12 |
Influence of semi-solid rheologic squeeze casting process parameters on properties of aluminum alloy and prevention of defects |
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| XIAO Li-ming,ZHANG Li-zhong,ZHANG Mi-lan,HU Yuan-meng,LI Hai-kai,HAN Shu-xia.Influence of semi-solid rheologic squeeze casting process parameters on properties of aluminum alloy and prevention of defects[J].Light Alloy Fabrication Technology,2006,34(6):15-18,21. |
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| Authors: | XIAO Li-ming ZHANG Li-zhong ZHANG Mi-lan HU Yuan-meng LI Hai-kai HAN Shu-xia |
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| Affiliation: | Research Center of Semi-solid Forming,School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | By analyzing the principle of semi-solid rheologic squeeze casting and the process characteristic,the main process parameters that influence properties of aluminum alloy were pointed out:pouring temperature,speed of squeeze casting,dwell time,mould temperature.According to the research results that have made,the potential defects of aluminum alloy produced by semi-solid rheologic squeeze casting were summarized:crack,cold lap,misrun,subkin orifice,shrinkage porosity,shrinkage cavity,gas cavity.At last,the corresponding preventive measures of these defects were presented. |
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| Keywords: | semi-solid rheologic squeeze casting semi-solid slurry process parameter prevention defects |
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