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| 镁合金轮毂反挤压铸造成形工艺研究 | |
| 引用本文： | 张占领,徐春华,阎峰云.镁合金轮毂反挤压铸造成形工艺研究[J].特种铸造及有色合金,2011,31(2):145-148,202,203. |
| 作者姓名： | 张占领 徐春华 阎峰云 |
| 作者单位： | 1. 郑州交通职业学院车辆工程系 2. 郑州华信学院 3. 兰州理工大学有色金属合金省部共建教育部重点实验室 |
| 基金项目： | 甘肃省自然科学基金资助项目 |
| 摘 要： | 介绍了采用AM60B镁合金和液态挤压铸造技术成形摩托车轮毂,对该铸件的成形工艺进行了试验并加以分析。结果表明,铸型温度为240～280℃,浇注温度为680～700℃,反挤压比压为82～100MPa,保压时间为20～25s、充型速度为0.91m/s时,反挤压铸造AM60B合金的力学性能达到:σb=218～227MPa,硬度(HBS)为66～71,δ5=9.8%～10.7%,αk=(17.5～18.7)×104J/m2。 |
| 关 键 词： | 镁合金 轮毂 液态挤压铸造 |
Reverse Squeezing Casting Magnesium Alloy Wheel |
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| Zhang Zhanling,Xu Chunhua,Yan Fengyun.Reverse Squeezing Casting Magnesium Alloy Wheel[J].Special Casting & Nonferrous Alloys,2011,31(2):145-148,202,203. | |
| Authors: | Zhang Zhanling Xu Chunhua Yan Fengyun |
| Affiliation: | Zhang Zhanling1,Xu Chunhua2,Yan Fengyun3(1.Zhengzhou Transportation Vocational College,Zhengzhou,China,2.Zhengzhou Huaxin University,3.Key Laboratory of Gansu Advanced Non-ferrous Metal Materials,Ministry of Education,Lanzhou University of Technology,Lanzhou,China) |
| Abstract: | Reverse squeezing casting AM60B magnesium alloy wheel was conducted.Forming process of the wheel was described.With mould temperature of 240~280 ℃,pouring temperature of 680~700 ℃,reverse squeezing force of 82~100 MPa for 20~25s and filling velocity of 0.91 m/s,mechanical properties of AM60B magnesium alloy wheel can reach 218~227 MPa in tensile strength,66~71 in hardness(HBS)and 9.8%~10.7% in elongation as well as(17.5~18.7)×104 J/m2 in impact toughness,respectively. |
| Keywords: | Magnesium Alloy Wheel Reverse Squeezing Casting |
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