An Assessment of Tribological Characteristics under different Operating Condition

Bougoffa M. Seyf Eddine*, T. Sayah, Bachir Bey M. Nabil, Benouali Chahrazed

Laboratory of Materials Technology, Department of Materials Science, University of Science and Technology Houari Boumediene, Bp 32 El Alia 16111 Bab Ezzouar, Algiers, Algeria

Adv. Mater. Lett., 2020, 11 (2), 20021478

DOI: 10.5185/amlett.2020.021478

Publication Date (Web): Jan 27, 2020

E-mail: mbougoffa@usthb.dz

Abstract


The paper evaluates and compares the friction and wear behavior of SAE-AISI 1060 steel and brass (CuZn37Pb2) at different initial surface roughness and normal load using pin-on-disc test. Tribological behavior of studied materials was analyzed in detail. Variation of coefficient of friction at different initial surface roughness and normal load has been correlated with wear loss, wear rate, track width. Experiments are carried out in normal load 3-5-8-10 N, sliding speed 0.24-0.35m/s and 0.48 m/s, wear track diameter 4-6-8-10 mm. Results show that friction coefficient, wear loss and wear rate of steel increase with track width at high initial surface roughness and normal load. For brass friction coefficient decreases with the increase of normal load. On the other hand, it is also found that wear loss, wear rate and track width increase with sliding distance. Microscopic of worn surfaces for each alloy were carried out and compared.

Keywords

Tribological behavior, friction coefficient, wear loss, roughness, wear rate.

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