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Development of Lightweight Oil Pans Made of a Heat-Resistant Magnesium Alloy for Hybrid Engines
Technical Paper
2000-01-1117
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
A new heat-resistant magnesium alloy (hereafter referred to as “ACM522”) for die-casting based on the Mg-Al-Ca-RE system has been developed by Honda R&D Co.
In the 150°C temperature range, the ACM522 alloy yields high creep resistant characteristics which are superior to the conventional AE42 heat-resistant magnesium alloy, and it also exhibits an excellent resistance to both heat and corrosion which can be favorably compared with the A384 general-purpose aluminum alloy. The use of magnesium for oil pans has raised a number of issues such as reduced axial force in the bolted areas and, until now, oil pans made of magnesium had not reached the stage of commercial viability for mass-produced automobiles. The authors applied the ACM522 alloy to develop light-weight oil pans which are 35% lighter than conventional aluminum oil pans. Further, these lightweight magnesium oil pans have been adopted in the engines of Honda's hybrid cars which, for mass-produced gasoline-powered cars, achieve the world's best fuel consumption of 35 kilometers per liter, and their mass production commenced from November 1999.
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Authors
Topic
Citation
Koike, S., Washizu, K., Tanaka, S., Baba, T. et al., "Development of Lightweight Oil Pans Made of a Heat-Resistant Magnesium Alloy for Hybrid Engines," SAE Technical Paper 2000-01-1117, 2000, https://doi.org/10.4271/2000-01-1117.Also In
References
- Mercer William E. II “Magnesium Die Cast Alloys for Elevated Temperature Applications,” SAE Technical Paper No. 900788 1990
- Luo A. Shinoda T. “A New Magnesium Alloy for Automotive Powertrain Applications,” SAE Technical Paper No. 980086 1998
- Reichek K.N. Clark K.J. Hills J.E. “Controlling the Salt Water Corrosion Performance of Magnesium AZ91 Alloy” SAE Technical Paper No. 850417 1985