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twtfnyy(fjtony163代发): 金币+14, 代发 2016-03-20 11:02:57
fjtony163: 翻译EPI+1, 代发 2016-03-20 11:03:04
研究 两组 含不同 粘度指数 改进剂 基础油 润滑性能 在 不同工况条件下 的 变化规律，结果表明：不同 粘度指数改进剂 使 基础油 具有 不同的 粘温性能 和 剪切稀化特性，随着 速度不断 增大，两组润滑油 成膜性能 差异越大，剪切稀化特性 对 润滑性能影响 占主导因素。随着温度 不断升高，粘度指数 改进剂 的 粘温性能 对 成膜能力的 影响 占主导因素。载荷变化 对含 不同粘度指数改进剂 基础油 润滑性能 差异的 影响 不明显。
This paper researched the change rule of lubrication performance of two groups of base oils containing improvers of different viscosity indexes under different working conditions. The results show that due to the different viscosity indexes of improvers, the base oil show different viscosity temperature behavior and shear thinning characteristics. With the increase of velocity, the difference of film-forming property between two groups of base oils will enlarged, and the shear thinning characteristics plays a dominate role in effecting the lubrication performance of base oil. However with the increase of temperature, the viscosity temperature behavior of improver plays a dominate role in effecting the film-forming ability of base oil. The load variation plays a insignificant role in effecting the lubrication performance of base oils containing improvers of different viscosity indexes. |
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