液压系统工作参数对液压油老化的敏感性分析

Q4 Materials Science

Tribologie und Schmierungstechnik Pub Date : 2022-11-18 DOI:10.24053/tus-2022-0028

Tobias Schick, Jochen Hörer, Klaus Ellenrieder, Karl-Heinz Blum, K. Schmitz

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引用次数: 0

摘要

本文介绍了一种基于实际液压系统的新型油品老化试验台。该装置允许在高液压载荷下加速流体老化速率。此外，可以改变操作参数来评估影响液压油老化行为的不同因素。利用FTIR对不同老化条件下的油样进行分析，估算了二烷基二硫代磷酸锌(ZDDP)降解过程中的老化速率。结果表明，在不同的操作参数下，液压系统具有明显的老化行为。除了ZDDP的降解外，还可以观察到酚类抗氧化剂(AO)的消耗和金属表面清漆膜的形成。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sensitivity analysis of operating parameters in hydraulic systems with respect to the aging of hydraulic fluids

In this work, a novel oil aging test-rig based on a real hydraulic system is introduced. This device allows an accelerated fluid-aging rate under high hydraulic loads. Furthermore, it is possible to vary the operating parameters to evaluate the different factors that influence the aging behavior of hydraulic fluids. Oil samples, which are aged under different conditions, are analyzed using FTIR to estimate the rate of aging using the degradation process of Zinc dialkyl dithiophosphate (ZDDP). The results show a clear aging behavior dependent on different operating parameters in hydraulics. In addition to the degradation of ZDDP, the depletion of the phenolic antioxidant (AO) and the formation of a varnish film on metallic surfaces can be observed.

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来源期刊

Tribologie und Schmierungstechnik Materials Science-Surfaces, Coatings and Films

CiteScore

0.50

自引率

0.00%

发文量