Interaction Between Components of the Copper-Based Self-Lubricating Antifriction Composite at 900 and 950°C

It is shown that a self-lubricating antifriction composite with microheterogeneous structure is synthesized during sintering of the Cu–Ni–P–MoS 2 powder in hydrogen at 900 and 950°C. The structure of the self-lubricating antifriction composite formed at 900°C represents an α-solid solution of nickel...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2015-05, Vol.54 (1-2), p.16-22
Main Authors: Kostornov, A. G., Fushchich, O. I., Chevychelova, T. M., Karpets, M. V., Koval’, A. Yu
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Hydrogen
Materials Science
Metallic Materials
Molybdenum
Molybdenum compounds
Natural Materials
Powders (Particulate matter)
Sulfides
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Summary:It is shown that a self-lubricating antifriction composite with microheterogeneous structure is synthesized during sintering of the Cu–Ni–P–MoS 2 powder in hydrogen at 900 and 950°C. The structure of the self-lubricating antifriction composite formed at 900°C represents an α-solid solution of nickel in copper hardened by complex phosphide MoNiP, in which sulfide Cu 2 Mo 3 S 4 is distributed. Molybdenum disulfide interacts with hydrogen at 950°C to form Cu 2 S and MoP. The structure of the self-lubricating antifriction composite formed at 950°C differs from the previous one in the amount of α-solid solution of nickel in copper, type (MoP) and content of hardening phase in it, and type (Cu 2 Mo 3 S 4 and Cu 2 S) and amount of antifriction structural component.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-015-9674-y