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Title: Tribology and tribochemistry of oil soluble methylene-bis-[dialkyl/alkylaryl-dithiocarbamates] as potential EP additives
Authors: Verma, V K
Singh, R
Srivastava, Vandana
Singh, P K
Issue Date: Jun-2002
Publisher: NISCAIR-CSIR, India
Abstract: A number of blends of methylene-bis-[N,N-dialkyl/alkylaryl dithiocarbamates] in paraffin oil (0.5% w/v) were evaluated for their anti-wear, EP and friction reducing tribological properties by employing 12.7 mm diameter low carbon and chromium bearing ball specimen in a four ball test. All the additives were found to decrease wear and friction to appreciable levels and increase the load carrying capacity to very high values. In particular, the additive methylene-bis-[morpholinodithiocarbamate] was instrumental in exhibiting lower values of wear scar diameter and coefficient of friction at lower as well as higher loads and high load carrying capacity, load wear index and flash temperature parameter values in comparison to plain paraffin oil and a reference additive. The additives also afforded lower values of wear-scar diameter in one-hour wear test. The topography of the used bearing ball specimen was investigated by scanning microscopy technique.
Page(s): 209-212
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.09(3) [June 2002]

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