In the as-cast Al-Ce-Zr system, the hardness, tensile strength and yield strength showed a trend of decreasing first and then increasing with the increase of Zr content.
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Excellent mechanical properties and corrosion resistance of Al-Ce-Zr alloys.
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The sentences
With the increase of Zr content, the tensile strength and yield strength of the alloys show an overall trend of first decreasing and then increasing.