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IJEMS Vol.15(5) [October 2008] >

Title: Ferrography — A procedure for measuring wear rate
Authors: Govindarajan, N
Gnanamoorthy, R
Keywords: Contact Fatigue
Powder metallurgy
Issue Date: Oct-2008
Publisher: CSIR
Abstract: A contact fatigue phenomenon is most common failure seen in the structural components, which are under high-cyclic fatigue loads. Rail wheels, mating gears, ball bearing and wherever the formal contact between the two structural elements, are affected by contact fatigue failure, is commonly referred as pitting of surface. It can be seen that those structural elements are manufactured by powder metallurgy technology since it has more technical as well as commercial advantages over the conventionally made structural parts. Development in powder metallurgy manufacturing technologies, will give us confident to use of more powder metallurgy structural parts in place of conventional parts. Rolling-sliding contact fatigue (RSCF) experiments on powder metallurgy (PM) steels have been carried out in the laboratories with available experimental set-up. The lubrication oil is collected for regular interval and ferrography test is involved to predict the wear rate of the powder metallurgy steels. Wear morphology of porous steel is predicted.
Page(s): 377-381
ISSN: 0971-4588
Source:IJEMS Vol.15(5) [October 2008]

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