润滑油
材料科学
流变仪
基础油
复合材料
流变学
剪切速率
剪切(地质)
表观粘度
剪应力
粘度
基础(拓扑)
扫描电子显微镜
数学
数学分析
出处
期刊:Wear
[Elsevier]
日期:1982-10-01
卷期号:82 (1): 13-25
被引量:16
标识
DOI:10.1016/0043-1648(82)90123-5
摘要
The flow characteristics of lubricating soap-base greases were investigated using a capillary rheometer. At low shear rates the shear stress increases because of mechanical degradation of the grease structure which results in softening of the grease and a decrease in the apparent viscosity. At high shear rates the grease flows as a newtonian liquid but with a higher viscosity than that of its base oil. Sodium-base grease showed better temperature and shear stability than aluminium-base grease.
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