Effect of Liquid-Die-Forging Pressure on Microstructure and Mechanical Properties of A390 Sloping Swash-Plate

Guang An Zhang; Feng Jiang; Qi Zhou; Fu Fa Wu

doi:10.4028/www.scientific.net/AMR.538-541.1356

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541Effect of Liquid-Die-Forging Pressure on...

Effect of Liquid-Die-Forging Pressure on Microstructure and Mechanical Properties of A390 Sloping Swash-Plate

Abstract:

The effect of liquid-die-forging pressure on the microstructure and mechanical properties of A390 sloping swash-plate forming was investigated. It was found that the microstructure and comprehensive mechanical properties of the alloy were effectively improved by the liquid-die-forging pressure applied on the A390 aluminum melt. With continuous increasing of the specific pressure, the grain size of primary silicon gradually decreased, the fraction of eutectic silicon obviously decreased, and its morphology was granular mainly. When the applied pressure was 181 MPa, the size of primary silicon was reduced to about 20 μm. When the casting temperature of the alloy was 820 °C, the mould preheating temperature was 240 °C and the forging casting specific pressure reached 181 MPa, the sloping swash plate without macro-defects, and with the internal compact-gain structure and excellent mechanical properties can be obtained.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1356-1359

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1356

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Online since:

June 2012

Authors:

Guang An Zhang, Feng Jiang, Qi Zhou, Fu Fa Wu

Keywords:

A390 Alloy, Liquid Die Forging, Mechanical Property, Structure Refinement, Swash Plate

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References

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