Abstract
Due to their excellent corrosion resistance and wear resistance, bearing bushes made of aluminium bronze are widely used in pumps, heavy equipment and marine equipment. Aluminium bronze is also used in valve for tank to improve defence. This work aims to enhance the hardness of QAl10-3-1.5 extruded aluminium bronze by performing heat treatment at different solution temperature, quenchant, and aging temperature. The results show that when the aluminum content of the raw material is more than 9.4%, aluminum bronze after solution and aging treatment obtain a significant enhancement of hardness. The value of hardness can reach above 207HB, which meets the design requirements of drawings and improves the wear and corrosion resistance.
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