Effect of vanadium microalloying on properties of steel for automobile parts

Ma Lige; Li Xiansheng

doi:10.7513/j.issn.1004-7638.2021.04.012

Volume 42 Issue 4

Aug. 2021

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Ma Lige, Li Xiansheng. Effect of vanadium microalloying on properties of steel for automobile parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(4): 68-72. doi: 10.7513/j.issn.1004-7638.2021.04.012

Citation:

Ma Lige, Li Xiansheng. Effect of vanadium microalloying on properties of steel for automobile parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(4): 68-72. doi: 10.7513/j.issn.1004-7638.2021.04.012

Ma Lige, Li Xiansheng. Effect of vanadium microalloying on properties of steel for automobile parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(4): 68-72. doi: 10.7513/j.issn.1004-7638.2021.04.012

Citation:

Ma Lige, Li Xiansheng. Effect of vanadium microalloying on properties of steel for automobile parts[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(4): 68-72. doi: 10.7513/j.issn.1004-7638.2021.04.012

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Effect of vanadium microalloying on properties of steel for automobile parts

doi: 10.7513/j.issn.1004-7638.2021.04.012

Ma Lige^1
,,
Li Xiansheng²

1.
Jilin Communications Polytechnic, Changchun 130012, Jilin, China
2.
School of Materials Science and Engineering, Jilin University, Changchun 130022, Jilin, China

Received Date: 2021-01-25
Publish Date: 2021-08-10

Abstract

Abstract

Vanadium microalloyed steel 42CrMoVx (x=0, 0.1, 0.3, 0.5, 0.7, 0.9) for automobile parts was prepared. The effects of vanadium microalloying on tensile strength, wear resistance and corrosion resistance of the steel were analyzed. The results show that the tensile strength, wear resistance and corrosion resistance of 42CrMo steel for automobile parts are improved obviously by vanadium microalloying. With the increase of vanadium content, the tensile strength, wear resistance and corrosion resistance of the steel increase first and then decrease. Compared with 42CrMo without vanadium, the tensile strength, yield strength and elongation after fracture of 42CrMoV0.5 steel increase by 66 MPa, 67 MPa and 3.5% respectively, while the wear volume and corrosion current of 42CrMoV0.5 steel separately decrease by 18×10⁻³ mm³ and 0.771 mA/cm², with the corrosion potential positively shifted by 88 mV. The vanadium content in 42CrMoV steel used for auto parts is preferred to be 0.5%.
- automobile parts steel,
- 42CrMoV,
- microalloying,
- vanadium content,
- tensile property,
- wear resistance,
- corrosion resistance

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References(11)

References

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