The Establishment of Laboratory Test Method for Gelation of Engine Oil Containing Magnesium Detergents Japan Energy Corporation

Format:

Conference/Event

Author/Creator:

Naitoh, Yasushi, author.

Conference Name:

International Spring Fuels & Lubricants Meeting (2001-05-07 : Orlando, Florida, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2001

Summary:

It has been reported that engine oils containing magnesium detergents gel under special conditions. The authors have previously reported on the mechanism by which magnesium detergents form needle crystals, which is the main cause of the gelation[1]. For this article, the authors conducted tests in actual vehicles using several types of engine oils containing magnesium detergents, including oils for which gelation problems have been reported in the market. The gelation was reproduced, and the test oils were ranked by their propensity to gel. In addition, a laboratory test method was used in which water and CO2 were mixed into engine oil under controlled conditions, then left stored in a bottle for twenty days, after which the kinematic viscosity and the quantity of insolubles of the mixture were measured. The study demonstrated the correlation between the laboratory test method and the actual vehicle tests. The test method makes it possible to clarify the evaluation standards which can be applied to the existing magnesium detergents to prevent engine oil gelation problems

Notes:

Vendor supplied data

Publisher Number:

2001-01-1986

Access Restriction:

Restricted for use by site license