Dry Sliding Wear Behavior of Fe3Al Intermetallics Prepared by Mechanical Alloying and Hot Pressing

Abstract:

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Fe3Al intermetallics with different Al contents were prepared by mechanical alloying and hot pressing. The phases and dry sliding wear behavior were studied. The results show that Fe3Al bulk materials are mainly characterized by the low ordered B2 structure. The wear resistance increased with increasing Al content, with the lowest volume loss of Fe-32Al and irregular value of Fe-30Al. There were obvious differences in wear mechanisms of sintered Fe3Al under different testing conditions. Under lower loads plastic deformation occurred on the wear surface and the wear performance is mainly particle abrasion, the characteristics of which are micro cutting and furrows. With higher loads, the stress concentration led to rapid crack propagation and eventually the fatigue fracture, which was characterized by brittle split of material.

Info:

Periodical:

Advanced Materials Research (Volumes 79-82)

Edited by:

Yansheng Yin and Xin Wang

Pages:

1939-1942

DOI:

10.4028/www.scientific.net/AMR.79-82.1939

Citation:

J. Li et al., "Dry Sliding Wear Behavior of Fe3Al Intermetallics Prepared by Mechanical Alloying and Hot Pressing", Advanced Materials Research, Vols. 79-82, pp. 1939-1942, 2009

Online since:

August 2009

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Price:

$35.00

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