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[期刊论文]

RSF法工艺参数对高硅铝合金显微组织及力学性能的影响

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author:

王连登 (王连登.) [1] | 耿斌 (耿斌.) [2] | 林益雄 (林益雄.) [3] | Unfold

Indexed by:

PKU

Abstract:

通过OM、SEM、EDS测试手段,探究内冷法工艺参数对Al20Si3Cu1.6Mg1.4Ni合金组织及性能的影响。结果表明:710℃-1400r/min-10%工艺参数下制备的半固态Al20Si3Cu1.6Mg1.4Ni合金,初生Si平均晶粒尺寸最小,力学性能最好。与液态浇注的合金相比,初生Si平均晶粒尺寸从62.8μm减小到24μm,布氏硬度从HB106提升到HB131,抗拉强度从243 MPa提升到278 MPa,伸长率由1.93%提升到3.03%。

Keyword:

Al20Si3Cu1.6Mg1.4Ni合金 内冷搅拌 半固态 工艺参数

Community:

  • [ 1 ] 福州大学机械工程及自动化学院

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Source :

铸造

Year: 2022

Issue: 08

Volume: 71

Page: 950-955

Cited Count:

WoS CC Cited Count: 0

30 Days PV: 4

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