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In the present study, Al–Si alloys with Si contents of 23, 26, 28 and 31 wt.%, respectively, were modified with a new modifying agent. The results show that the primary silicon size decreased about 8–10 times after modification. The wear rates of the modified and heat-treated Al–Si alloys are lower than those of the unmodified and non-heat-treated Al–Si alloys, respectively. The silicon content in...
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