| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Research Abstract |
In this work, to clarify the influences of autoxidation on the scoring-load capacities of vegetable oils, laboratory autoxidation tests of rapeseed oil and synthetic ester(polyether carboxylates) were examined. Further, a wear test and a gear test were carried out using a Soda-type four-ball machine and a power-circulating gear machine, respectively. From the test results in the wear test, it was found that the wear properties of rapeseed oil depend on oxidation stage. On the other hand, the influences of autoxidation on the wear properties of polyether carboxylates were little. In the gear test, the scoring-load capacities of rapeseed oil decreased by autoxidation.
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