Method of manufacturing aluminum alloy and aluminum alloy

Abstract

A method of manufacturing aluminum alloy may include solutionizing a cast product made of an aluminum alloy containing 0.1 to 0.3 wt % of Zr; quenching the cast product at a temperature of 30° C. or less after the solutionizing; and aging the cast product after the quenching.

Description

CROSS-REFERENCE(S) TO RELATED APPLICATIONS[0001]This application claims priority to Korean Patent Application No. 10-2019-0172978, filed on Dec. 23, 2019 which is incorporated herein by reference in its entirety.BACKGROUNDTechnical Field[0002]Exemplary embodiments of the present disclosure relate to a method of manufacturing aluminum alloy and an aluminum alloy produced thereby; and, particularly, to an aluminum alloy for high-power engine components.Description of Related Art[0003]High-performance vehicles may greatly appeal to consumers seeking driving pleasure, and the development and production thereof are also effective in demonstrating the technology of automobile manufacturers to ordinary consumers.[0004]Such a high-performance vehicle inevitably requires a high-power engine. However, as the power of the engine increases, the physical and thermal loads on the material of the engine increase.[0005]An alloy used to cast a conventional cylinder head for high-performance vehicles...

AI Technical Summary

Benefits of technology

The present invention is about an aluminum alloy that can be used in high-power engines. This alloy has excellent physical properties at high temperatures and high thermal conductivity, which improve performance and fuel efficiency. The invention also includes a method for manufacturing this alloy.

Problems solved by technology

Such a high-performance vehicle inevitably requires a high-power engine.

However, as the power of the engine increases, the physical and thermal loads on the material of the engine increase.

Although the aluminum for the cylinder head of the conventional gasoline engine has an endurance limit temperature of about 200° C., the test of the high-power engine shows that the temperature of the cylinder head increases from 250° C. to 300° C. For this reason, the use of existing materials may cause insurmountable damage to the cylinder head.

That is, the high-power engine is damaged before 1 / 10 of expected endurance test time due to exposure to high-temperature environment during testing.

Hence, it can be seen that the conventional alloy compositions do not withstand the harsh environment of the high-power engine.

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