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首页> 外文期刊>Tribology International >Response surface methodology for eicosanoic acid triboproperties in castor oil
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Response surface methodology for eicosanoic acid triboproperties in castor oil

机译：蓖麻油中二十烷酸摩擦性能的响应面方法

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摘要

Response surface methodology with Box-Benhken (BB) design of experiment is utilized to study the antiwear (AW) and lubricity properties of eicosanoic acid in biodegradable castor oil base-stock and the results were compared with those of zinc dialkyldithiophosphate (ZDTP) and octadecanoic acid. The designs utilize load, additive concentration and temperature to develop models for the antiwear and lubricity response in a four-ball configuration. This was done by performing statistically designed experiments, estimating the coefficients in the mathematical models, predicting the response, checking for adequacy of the model and response optimization. Comparison of predicted and experimental response values outside the design conditions and for the optimal wear conditions showed good correspondence, implying that empirical models derived from response surface approach can be used to describe the tribological behavior of the additives in castor oil base-stock. Eicosanoic acid showed good tribological properties comparable to the popular octadecanoic acid and ZDTP lubricant additives, without acidic corrosion phenomenon as in ZDTP.
机译：利用Box-Benhken（BB）设计的响应面方法，研究了二十碳酸在可生物降解的蓖麻油基础油中的抗磨性和润滑性能，并将结果与​​二烷基二硫代磷酸锌（ZDTP）和十八烷酸进行了比较。酸。这些设计利用载荷，添加剂浓度和温度来开发四球配置下的抗磨性和润滑性响应模型。这是通过执行统计设计的实验，估算数学模型中的系数，预测响应，检查模型是否适当以及响应优化来完成的。在设计条件之外和最佳磨损条件下的预测和实验响应值的比较显示出良好的对应关系，这表明从响应表面方法得出的经验模型可用于描述蓖麻油基础油中添加剂的摩擦学行为。二十烷酸具有良好的摩擦学性能，可与流行的十八烷酸和ZDTP润滑剂添加剂媲美，并且没有ZDTP中的酸性腐蚀现象。

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