Steel Abrasive Wear Forecasting by Wearing Surfaces Microgeometric Parameters

Jankauskas, Vytenis; Skirkus, R.

doi:10.5755/j01.mech.19.4.5049

Cited by 9 publications

(5 citation statements)

References 3 publications

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“…In this study, a vertical force of 1 N was applied, which is consistent with other studies where the average applied force for a similarly set up experiment was 1-3N (i.e., 100-400 gf) [28,29]. In the mouth, abrasion in the contact of two bodies and abrasion in the contact of three bodies mostly take place [30]. The three-body system consists of an abrasive body, antibodies, and intermediate bodies (particles) that move freely and act abrasively.…”

Section: Discussionsupporting

confidence: 87%

Effect of Nano-Filled Protective Coating and Different pH Enviroment on Wear Resistance of New Glass Hybrid Restorative Material

et al. 2021

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The purpose of the study was to determine the wear rate of Equia Forte HT Fil with Equia Forte Coat or without coating and compare it with Fuji IX GP high-viscosity glass ionomer cement (GIC) in conditions with acid load or at neutral pH. The samples were stored for 7 days: (1) in artificial saliva, (2) in artificial saliva and cyclically exposed to low pH, and (3) in distilled water and cyclically exposed to low pH. Wear was determined by measuring the difference in mass before and after brushing in an abrasion testing device. The wear of Fuji IX GP was significantly higher than that of Equia Forte HT Fil with or without coating (p = 0.000). The difference between Equia Forte HT Fil with and without Coat was not statistically significant (p < 0.803). The differences in wear resistance between samples stored in saliva and in distilled water were not significant (p = 0.588). Periodic exposure to the low pH solution significantly affected the wear resistance of all materials (p = 0.000). Equia Forte HT Fil was more resistant to wear than Fuji IX GP in all storage conditions. A resinous coat did not significantly increase wear resistance.

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Section: Discussionsupporting

confidence: 87%

Effect of Nano-Filled Protective Coating and Different pH Enviroment on Wear Resistance of New Glass Hybrid Restorative Material

et al. 2021

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“…It depends on the properties of the lubricant and acting surfaces as well. Various surface treatment techniques and specific lubricants are suggested [12,13].…”

Section: Linoleic Acidmentioning

confidence: 99%

Modification of Rapeseed Oil and Lard by Monoglycerides and Free Fatty Acids

Kupčinskas¹,

Kreivaitis²,

Padgurskas³

et al. 2012

mech

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“…The presence of harder structures (e.g., WC impurities) results in higher blade wear resistance. Various techniques can be used to increase the hardness, such as laser coating [16]. However, again, it is difficult to explain the different wear of blades when the conditions are similar [14,15].…”

Section: Introductionmentioning

confidence: 99%

Wear Study of Straw Chopper Knives in Combine Harvesters

Jankauskas,

Abrutis,

Žunda

et al. 2023

Applied Sciences

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Cereal straw is a biomaterial with great potential: about 144 million tons of biomass are grown annually in Europe. For any use of straw (fertilizer, biofuel, etc.), efficient chopping technology, i.e., the reliable and efficient operation of mobile or stationary choppers, is the key factor for further success. Since most of the straw is chopped at harvest time, the subject of the study is the wear of the combine’s chopping knives. Six blades of different materials and designs were tested under realistic conditions during wheat and rapeseed harvesting on 180 ha. The influence of hardness, composition, cutting edge angle, and position in the chopper on knife wear was analyzed. The study showed that the blades with the highest cutting edge hardness (568 ± 11 HV) and the lowest cutting edge angle (20.9°) had the lowest wear. The highest hardness of the induction hardened knives was due to the 0.42% carbon content of the steel. The study confirmed that wear was inversely proportional to the hardness of the cutting edge (the harder the cutting edge, the lower the wear) and directly proportional to the angle of the cutting edge (the higher the angle, the greater the wear). The SEM study showed that part of the tooth surface of the blades was covered by permanent deposits of the material to be shredded. This wear was not caused by the interaction between straw and blade but by microabrasive particles that contaminated the straw.

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Steel Abrasive Wear Forecasting by Wearing Surfaces Microgeometric Parameters

Cited by 9 publications

References 3 publications

Effect of Nano-Filled Protective Coating and Different pH Enviroment on Wear Resistance of New Glass Hybrid Restorative Material

Effect of Nano-Filled Protective Coating and Different pH Enviroment on Wear Resistance of New Glass Hybrid Restorative Material

Modification of Rapeseed Oil and Lard by Monoglycerides and Free Fatty Acids

Wear Study of Straw Chopper Knives in Combine Harvesters

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