Boundary Lubricity of Vegetable-Oil-Derived Trimethylolpropane (TMP) Ester
نویسندگان
چکیده
Vegetable-oil-based biolubricants are an excellent alternative to conventional lubricants. Instead of focusing on novel feedstocks, these should be further elucidated based their fatty acid composition, which influences tribological properties. Therefore, the study utilises gene expression programming (GEP) derive a boundary lubricity model for vegetable-oil-derived trimethylolpropane (TMP) esters, considering composition (saturation and monounsaturation levels), load speed. Neat vegetable oil blends from seven feedstocks selected following wide range profiles synthesise TMP esters using two-stage transesterification process. The spin-coated wear discs that subsequently rotated against ball purpose-built tribometer. frictional performance with balanced saturation levels measured improve it at higher speeds. GEP is statistically evaluated by adopting friction data, showing good generalisation predictability capability. demonstrates decreases increasing ester. allows prediction profile, providing platform optimise such biolubricant desired applications.
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ژورنال
عنوان ژورنال: Lubricants
سال: 2022
ISSN: ['2075-4442']
DOI: https://doi.org/10.3390/lubricants10120346