The Effects of Cooling Slope Casting and Isothermal Treatment on Wear Behavior of A380 Alloy

Abstract:

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In this study, A380 aluminum alloy feedstock produced with cooling slope casting was exposed to isothermal treatment to obtain a globular microstructure which is a key feature for semisolid forming. The dendritic primary phase in the conventionally cast A380 alloy has readily transformed into a non-dendritic one in ingots cast over a cooling plate from pouring temperatures between 615, 630 and 650 °C. After the casting process, isothermal treatment was carried out at 565 °C in induction unit. Isothermal treatment yields a globular microstructure. To determine the tribological properties of this alloy, a pin-on-disc tribometer was used to carry out tribological tests under dry sliding conditions. The results showed that both cooling slope casting and isothermal treatment has an effect on tribological properties.

Info:

Periodical:

Advanced Materials Research (Volumes 264-265)

Edited by:

M.S.J. Hashmi, S. Mridha and S. Naher

Pages:

42-47

DOI:

10.4028/www.scientific.net/AMR.264-265.42

Citation:

N. Saklakoğlu et al., "The Effects of Cooling Slope Casting and Isothermal Treatment on Wear Behavior of A380 Alloy", Advanced Materials Research, Vols. 264-265, pp. 42-47, 2011

Online since:

June 2011

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Price:

$35.00

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