Publication Date:
2019-07-13
Description:
The sound velocity of four lubricants has been measured as a function of temperature and pressure using Brillouin scattering. A change in slope of the velocity as a function of temperature or pressure allowed the determination of the glass transition temperature and pressure. The glass transition data were used to construct a phase diagram for each lubricant. The data indicate that the glass transition temperature increased with pressure at a rate which ranged from 120 to 200 C/GPa. The maximum pressure attained was 0.69 GPa and the temperature range was from 25 to 100 C.
Keywords:
MECHANICAL ENGINEERING
Type:
ASME PAPER 77-LUB-15
,
Joint Lubrication Conference; Oct 03, 1977 - Oct 05, 1977; Kansas City, MO; US
Format:
text
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