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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44577

Measurement of hardness and wear rate of composite materials with an alloy base Nickel-titaniumŲ­

Noor Sami, M. Abdulrazzaq, Amar Albaaj

Abstract

In this paper, composite materials based on nickel-titanium alloys, which are reinforced with fractions of different sizes from a solid material, were prepared. The materials are prepared by powder metallurgy method, the materials are mixed and then pressed and sintered at an appropriate temperature, hardness tests and wear rate test are carried out. The results showed the presence of a reinforcing material with increased hardness of the composite materials compared to the non-reinforced alloys. The results also showed better particle distribution and higher hardness with increasing fracture size. As for the rate of wear, it was lower for composite materials compared to the unreinforced alloy due to the increase in hardness, and the rate of wear decreased with the increase in the size of the fracture in minutes.

Keywords

In this paper, composite materials based on nickel-titanium alloys

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