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The effect of Al 2 O 3 content on the mechanical and tribological properties of Ni–Cr alloy was investigated from room temperature to 1000°C. The results indicated that NiCr–40wt% Al 2 O 3 composite exhibited good wear resistance and its compressive strength remained 540MPa even at 1000°C. The values obtained for flexural strength and fracture toughness at room temperature...
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