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Study on Preparation and Friction and Wear Behavior of Fe_3Al-based Composite Materials

Yin Yan-sheng

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Abstract

Fe-3Al powder was prepared by mechanical alloying technique. Fe-3Albased composite materials were manufactured by powder metallurgy technology with different sintering temperatures and different sintering pressure.The mechanical properties,friction,wear performance and microstructure of the compossite were tested.The results show that the composite produced by sintering at 1050℃ and 10～15MPa pressure exhibits excellent friction and wear performance.The friction mechanism mainly are fatigue wear and abrasive wear and adhesive wear can be also observed.

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What this paper is about

Fe-3Al powder was prepared by mechanical alloying technique. Fe-3Albased composite materials were manufactured by powder metallurgy technology with different sintering temperatures and different sintering pressure.The mechanical properties,friction,wear performance and microstructure of the compossite were tested.The results show that the composite produced by sintering at 1050℃ and 10～15MPa pressure exhibits excellent friction and wear performance.The friction mechanism mainly are fatigue wear and abrasive wear and adhesive wear can be also observed.

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Available abstract

Fe-3Al powder was prepared by mechanical alloying technique. Fe-3Albased composite materials were manufactured by powder metallurgy technology with different sintering temperatures and different sintering pressure.The mechanical properties,friction,wear performance and microstructure of the compossite were tested.The results show that the composite produced by sintering at 1050℃ and 10～15MPa pressure exhibits excellent friction and wear performance.The friction mechanism mainly are fatigue wear and abrasive wear and adhesive wear can be also observed.

Key concepts: Materials science, Sintering, Abrasive, Composite number, Microstructure, Adhesive wear, Powder metallurgy, Composite material

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