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Published: 2011 ,
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[1]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(02):145-148+202-203.
Zhang Zhanling1, Xu Chunhua2, Yan Fengyun3. Reverse Squeezing Casting Magnesium Alloy Wheel. [J]. Special Casting & Nonferrous Alloys 31(2):145-148(2011)
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。
Reverse squeezing casting AM60B magnesium alloy wheel was conducted.Forming process of the wheel was described.With mould temperature of 240
2
80 ℃
pouring temperature of 680
7
00 ℃
reverse squeezing force of 82
1
00 MPa for 20
5s and filling velocity of 0.91 m/s
mechanical properties of AM60B magnesium alloy wheel can reach 218
27 MPa in tensile strength
66
1 in hardness(HBS)and 9.8%
0.7% in elongation as well as(17.5
8.7)×104 J/m2 in impact toughness
respectively.
镁合金轮毂液态挤压铸造
Magnesium AlloyWheelReverse Squeezing Casting
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