Performance optimization of die casting aluminum alloy containing vanadium for mechanical parts

Wu Gang; Liu Zhiqiang

doi:10.7513/j.issn.1004-7638.2021.03.029

Volume 42 Issue 3

Jun. 2021

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Wu Gang, Liu Zhiqiang. Performance optimization of die casting aluminum alloy containing vanadium for mechanical parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(3): 193-198. doi: 10.7513/j.issn.1004-7638.2021.03.029

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Wu Gang, Liu Zhiqiang. Performance optimization of die casting aluminum alloy containing vanadium for mechanical parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(3): 193-198. doi: 10.7513/j.issn.1004-7638.2021.03.029

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Performance optimization of die casting aluminum alloy containing vanadium for mechanical parts

doi: 10.7513/j.issn.1004-7638.2021.03.029

Wu Gang^1
,,
Liu Zhiqiang²

1.
School of Mechanical and Electrical Engineering, Liaoyang Vocational College of Technology, Liaoyang 111004, Liaoning, China
2.
School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China

Received Date: 2020-01-22
Publish Date: 2021-06-10

Abstract

Abstract

The die-casting experiments of Al-10Si-2.5Cu-0.3V die-casting aluminum alloy containing vanadium for mechanical parts were carried out with different injection ratio and injection speed, and the mechanical properties and wear resistance of the alloy were tested and analyzed. The results show that the mechanical properties and wear resistance of the alloy increase firstly and then decrease with the increase of injection pressure from 650 MPa to 750 MPa and injection speed from 250 mm/s to 450 mm/s. The injection specific pressure and injection velocity of the alloy are 725 MPa and 350 mm/s, respectively. Compared with results from injection pressure of 650 MPa, when the injection pressure increases to 725 MPa, the tensile strength increases by 18 MPa, total elongation after fracture decreases by 0.6%, and the wear volume decreases by 8 ×10⁻³ mm³. Compared with results from injection rate of 450 mm/s, when the injection rate is 350 mm/s, the tensile strength of the alloy increases by 20 MPa, and total elongation after fracture decreases by 0.7%, and the wear volume decreases by 10×10⁻³mm³.
- vanadium containing die casting aluminum alloy,
- Al-10Si-2.5Cu-0.3V,
- mechanical parts,
- injection specific pressure,
- injection speed,
- mechanical properties,
- wear resistance

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References(15)

References

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