STUDY OF LYOTROPIC LIQUID CRYSTAL IN LUBRICATION ON ALUMINUM ALLOY SURFACES

Chengsong Ma Chemistry Department, Shandong University, Jinan, 250100, P.R.China

Canzuo LI Chemistry Department, Shandong University, Jinan, 250100, P.R.China

Qiang Shen Chemistry Department, Shandong University, Jinan, 250100, P.R.China

Yanhong Hu Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, RRXhina

Weimin Liu Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, RRXhina

Hanqirtg Wang Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, RRXhina

ABSTRACT

The phase diagram of the system formed by diethanol ammonium dodecanoate ( DCD ) / n-butano1 / paraffin oil (LP) /water was determined The lyotropic liquid crystal region was confirmed and the use of liquid crystal as lubricant on aluminum alloy surfaces was studied. The effect of the liquid crystal structure on the tribological properties was also evaluated. Comparing the wear scar widths and the vertical loads of liquid crystal with that of a commercial grease. The lamellar liquid crystal showed a higher load carrying capacity relative to the commercial grease.

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STUDY OF LYOTROPIC LIQUID CRYSTAL IN LUBRICATION ON ALUMINUM ALLOY SURFACES

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STUDY OF LYOTROPIC LIQUID CRYSTAL IN LUBRICATION ON ALUMINUM ALLOY SURFACES

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