Abstract
Failure of equipment for processing olives interrupted oil production after only three weeks due to tribocorrosive wear of stainless steel components. Tribological behavior of 304 L stainless steel sliding against 52 100 steel was determined using a pin on disc tester. Tribological tests have shown that both normal load and rotating speed have a distinct effect on friction and wear behavior of the studied steel. An abrasive wear mechanism and plastic deformation of stainless steel on the wear track were investigated via an optical microscopy analysis. The concept of dissipated energy showed a significant correlation between the mass loss and the dissipated energy during the contact of the friction test. Then tribological behavior of 304 L stainless steel sliding against olive wood was studied. The steel was sensitive to tribo-oxidation, mostly due to abrasion by wood which presents a similar material to olive seed.
Highlights
Wear is regarded as a critical factor influencing the service life and even the performance for food processing, orthopedic implants, nuclear fuel reprocessing and many other industrial applications [1,2,3]
Severe wear of olive processing equipment leads to severe failure after a short operating time due mostly to mechanical damage by the impact of olive seed particles
The tribological behavior of the 304 L stainless steel rubbed against the 52 100 steel was investigated in this study
Summary
Wear is regarded as a critical factor influencing the service life and even the performance for food processing, orthopedic implants, nuclear fuel reprocessing and many other industrial applications [1,2,3]. It is reflected by a loss of surface material due to mechanical interaction between two or more bodies in sliding contact [4, 5]. Olives are introduced into the crusher chamber which received an inflow of about 30 kg.h−1 from a hopper. The centrifugal force applied by the seed on the hammer is about 44 N
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