首页> 美国政府科技报告 >A SONIC SHEAR METHOD FOR DETERMINATION OF SHEAR BREAKDOWN ON HYDRAULIC FLUIDS AND LUBRICATING OILS
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A SONIC SHEAR METHOD FOR DETERMINATION OF SHEAR BREAKDOWN ON HYDRAULIC FLUIDS AND LUBRICATING OILS

机译:一种测定液压油和润滑油剪切破坏的sONIC剪切方法

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摘要

A procedure has been devised which, within short test periods, will evaluate the shear stability of Hydraulic Fluids and Lubricating Oils containing polymeric materials. This procedure utilizes the Raytheon, 10KC, Magnetostrictive Oscillator Model EF-101. The test fluids are subjected to sonic vibration for a specified length of time, after which viscosity measurements are taken in order to determine the extent of molecular decomposition. Data of typical shear-time relationship of several hydraulic fluids are presented.

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