Standards

ASTM WK37908

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Work Item: ASTM WK37908 - Revision of D7097 - 09 Standard Test Method for Determination of Moderately High Temperature Piston Deposits by Thermo-Oxidation Engine Oil Simulation Test-TEOST MHT


Active Standard: D7097 - 09

Developed by Subcommittee: D02.09.0G | Committee D02 Home | Contact Staff Manager



1. Rationale

The present version of the originally proposed technique does not incorporate a completely sealed passage for the test oil from the Lower End Cap of the Depositor Assembly to the gear pump. As a consequence there are occasional very high deposits that occur that cannot be duplicated. Moreover, there is an opportunity to improve precision by returning to complete sealing.


Keywords

deposits; engine oil; oxidation; thermal decomposition; thermal oxidation; Engine (lubricating) oils; Piston deposits; TEOST (thermo-oxidation engine oil simulation test); Thermal decomposition; Thermal oxidation;

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Work Item Status:
Date Initiated:06-06-2012
Technical Contact: Theodore Selby

Status: Draft Under Development

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