Tribological behavior of PLA biodegradable materials used in the automotive industry

Ciprian Ciofu, Simona Nicoleta Mazurchevici, Demofilo Maldonado-Cortes, Laura Parás, Daniel Ivan Quintanilla Correa, Dumitru Nedelcu

Research output: Contribution to journalArticle

Abstract

The use of biodegradable thermoplastic materials with applicability in various industries such as automotive, consumer products, medical equipment and others has increased considerably in recent years. This increase in demand for biodegradable materials is closely linked to the growing concerns of producers and consumers alike, especially with a view to replacing, on a large scale, synthetic and non-biodegradable polymeric products. This paper presents the performance of biodegradable polymers PLA, HD PLA Green and Impact PLA Gray in terms of tribological properties, the coefficient of friction, wear and their behavior in different climatic test conditions on equipment that simulates the operation of the worm-worm wheel assembly that is part of the drive mechanism of the car wipers. The highest average value of the wear coefficient and of the wear track depth was recorded in the case of Impact PLA Gray sample followed by HD PLA Green and PLA. Regarding the results of the simulation of the operation within normal gear parameters of the worm-worm wheel (the worm wheel made from the materials proposed for this study), it was found that the mechanism ensures normal operation only for negative temperatures of use,-10°C being the temperature set as a standard in the simulations. For the other climatic conditions, i.e. higher temperatures (18-30)°C, the worm-wheel is not suitable for use.

Original languageEnglish
Pages (from-to)83-88
Number of pages6
JournalInternational Journal of Modern Manufacturing Technologies
Volume11
Issue number3 Special Issue
Publication statusPublished - 1 Jan 2019

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Automotive industry
Wheels
Wear of materials
Biomedical equipment
Biodegradable polymers
Consumer products
Temperature
Thermoplastics
Gears
Railroad cars
Friction
Industry

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering

Cite this

Ciofu, Ciprian ; Mazurchevici, Simona Nicoleta ; Maldonado-Cortes, Demofilo ; Parás, Laura ; Correa, Daniel Ivan Quintanilla ; Nedelcu, Dumitru. / Tribological behavior of PLA biodegradable materials used in the automotive industry. In: International Journal of Modern Manufacturing Technologies. 2019 ; Vol. 11, No. 3 Special Issue. pp. 83-88.
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Tribological behavior of PLA biodegradable materials used in the automotive industry. / Ciofu, Ciprian; Mazurchevici, Simona Nicoleta; Maldonado-Cortes, Demofilo; Parás, Laura; Correa, Daniel Ivan Quintanilla; Nedelcu, Dumitru.

In: International Journal of Modern Manufacturing Technologies, Vol. 11, No. 3 Special Issue, 01.01.2019, p. 83-88.

Research output: Contribution to journalArticle

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