Advanced testing technologies, such as laser interferometry, dynamic modal analysis and ultrasound non-destructive testing, have been successfully applied for testing rigidity, vibrational and flexural modes, damping ratios and bolt load retention of magnesium oil pan with complex geometry. The developed methodology is suitable for testing other leak-tight magnesium powertrain components. The obtained data and information are very important for the design of magnesium powertrain components. The MRI153M oil pan showed slightly more but similar deformation as the A380 oil pan under pressure. The MRI153M oil pan showed improved damping characteristics over A380 aluminum. The in-vehicle BLR test indicated that the MRI153M oil pan crept more than the A380 oil pan. It is predicted that the relaxation of the bolt load will retard over the vehicle life and arrive at a stable bolt load. The successful completion of the road test, in which the Mg oil pan performed as well as the Al pan, indicates that MRI 153M magnesium is a suitable alloy for oil pan applications.
Experimental comparison of automotive oil pans: creep resistant magnesium alloy vs. aluminum alloy
2003
6 Seiten, 7 Bilder, 1 Tabelle
Conference paper
English
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