Determination of the effect of artificial aging parameters on dry sliding wear resistance of 6013 aluminum alloy (Al-Mg-Si-Cu)

Abstract

In this study, the effect of artificial aging parameters, applied to AA6013 aluminum alloys commonly used in the automotive and aerospace sectors, on wear resistance was examined. For this purpose, AA6013 aluminum alloy samples were solutionized at 575 °C for 60 minutes and then they were artificially aged for 2, 4, and 6 hours at 180 and 200 °C temperatures. Mean hardness was measured as 66.6 HV in the solutionized samples taken. It was determined that as a result of artificial aging, α-AlFeMnSi intermetallic phase precipitation were formed between α-Al grains. By the effect of precipitation hardening, an increase in hardness was observed in all artificially aged samples; the highest hardness was found as an average of 149.3 HV in AA6013 samples aged artificially for 2 hours at 200 °C. A general decrease in the friction coefficients of samples aged at both 180 °C and 200 °C was observed along with the artificial aging temperature. The lowest specific wear rate was determined as 3.542x10-3 mm3/Nm in the AA6013 sample aged artificially for 2 hours at 200 °C.

Keywords

• Aluminum
• AA 6013
• Artificial aging
• Pin-on-disc
• Dry sliding

References

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